Han, Cherng-chyi Litigation, Intellectual Property, Attorneys, SEC Filings, and Other Public Records

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Patent Assignments	85

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Date Recorded	Party	Role	Document Type	Document No.	Invention Title

4/1/2024	Headway Technologies, Inc.	Assignee	Application Publication	18384545 20250138432	Bottom-Up Main Pole Electroplating For A Magnetic Recording Write Head Bottom-Up Main Pole Electroplating For A Magnetic Recording Write Head

4/1/2024	Headway Technologies, Inc.	Assignee	Application Publication	18384545 20250138432	Bottom-Up Main Pole Electroplating For A Magnetic Recording Write Head Bottom-Up Main Pole Electroplating For A Magnetic Recording Write Head

4/1/2024	Headway Technologies, Inc.	Assignee	Application Publication	18384545 20250138432	Bottom-Up Main Pole Electroplating For A Magnetic Recording Write Head Bottom-Up Main Pole Electroplating For A Magnetic Recording Write Head

3/18/2020	Headway Technologies, Inc.	Assignee	Application Patent	16800036 11011192	Method Of Building Self-aligned Optical Side Shield Structure Method Of Building Self-aligned Optical Side Shield Structure

4/17/2019	Headway Technologies, Inc.	Assignee	Application Patent	16292457 10586560	Rhodium Film with Thin Template Layer and its Application to a Thermally... Rhodium Film with Thin Template Layer and its Application to a Thermally...

10/25/2018	Headway Technologies, Inc.	Assignee	Application Publication Patent	11179252 20050248980 7335960	Mram Cell With Flat Topography And Controlled Bit Line To Free Layer Dis... Mram Cell With Flat Topography And Controlled Bit Line To Free Layer Dis... Mram Cell With Flat Topography And Controlled Bit Line To Free Layer Dis...

6/13/2018	Headway Technologies, Inc.	Assignee	Application Patent	15966179 10186288	Method of Fabricating Single Rh Layer Optical Field Enhancer with Pre-Fo... Method of Fabricating Single Rh Layer Optical Field Enhancer with Pre-Fo...

9/20/2016	Headway Technologies, Inc.	Assignee	Application Patent	15235171 9852752	Plasmon Generator with Metallic Waveguide Blocker for TAMR Plasmon Generator with Metallic Waveguide Blocker for TAMR

3/24/2016	Headway Technologies, Inc.	Assignee	Application Publication	15011892 20170221505	Self-Aligned Hybrid Au-Rh Near Field Transducer for Enhanced Reliability Self-Aligned Hybrid Au-Rh Near Field Transducer for Enhanced Reliability

3/24/2016	Headway Technologies, Inc.	Assignee	Application Publication Patent	15011892 20170221505 10262683	Self-Aligned Hybrid Au-Rh Near Field Transducer for Enhanced Reliability Self-Aligned Hybrid Au-Rh Near Field Transducer for Enhanced Reliability Self-Aligned Hybrid Au-Rh Near Field Transducer for Enhanced Reliability

5/1/2013	Headway Technologies, Inc.	Assignee	Application Publication Patent	13803362 20140264665 9337414	Method And System For Capturing Carbon Dioxide And/or Sulfur Dioxide Fro... Reader Sensor Structure and its Method of Construction Reader Sensor Structure and its Method of Construction

11/28/2012	Headway Technologies, Inc.	Assignee	Application Publication Patent	13660183 20140116984 8865008	Liquid Crystal Optical Apparatus And Image Display Device Having Particu... Two Step Method to Fabricate Small Dimension Devices for Magnetic Record... Two Step Method to Fabricate Small Dimension Devices for Magnetic Record...

8/2/2011	Headway Technologies, Inc.	Assignee	Application Publication Patent	12798560 20110249364 8209848	A Method Of Making A Pmr Writer With Seamless Shields A Method Of Making A Pmr Writer With Seamless Shields A Method Of Making A Pmr Writer With Seamless Shields

12/17/2010	Headway Technologies, Inc.	Assignee	Application Publication Patent	12924416 20120075749 8184399	Magnetic Write Head With Thin And Thick Portions For Balancing Writabili... Magnetic Write Head With Thin And Thick Portions For Balancing Writabili... Magnetic Write Head With Thin And Thick Portions For Balancing Writabili...

4/30/2010	Headway Technologies, Inc.	Assignee	Application Publication Patent	12660819 20110216447 8305711	Process Of Octagonal Pole For Microwave Assisted Magnetic Recording (mam... Process Of Octagonal Pole For Microwave Assisted Magnetic Recording (mam... Process Of Octagonal Pole For Microwave Assisted Magnetic Recording (mam...

3/29/2010	Headway Technologies, Inc.	Assignee	Application Publication Patent	12658662 20110198314 8728333	Method to fabricate small dimension devices for magnetic recording appli... Method to fabricate small dimension devices for magnetic recording appli... Method To Fabricate Small Dimension Devices For Magnetic Recording Appli...

1/22/2010	Headway Technologies, Inc.	Assignee	Application Publication Patent	12589597 20110097601 8842389	Wrap-around shielded writer with highly homogeneous shield material Wrap-around shielded writer with highly homogeneous shield material Wrap-around Shielded Writer With Highly Homogeneous Shield Material

7/7/2009	Headway Technologies, Inc.	Assignee	Application Publication Patent	12457090 20100301007 8173028	Method Of Manufacturing Magnetic Head For Perpendicular Magnetic Recordi... Method Of Manufacturing Magnetic Head For Perpendicular Magnetic Recordi... Method Of Manufacturing Magnetic Head For Perpendicular Magnetic Recordi...

12/2/2008	Headway Technologies, Inc.	Assignee	Application Publication Patent	12231756 20100061016 8031433	Method To Make An Integrated Side Shield Pmr Head With Non Conformal Sid... Method To Make An Integrated Side Shield Pmr Head With Non Conformal Sid... Method To Make An Integrated Side Shield Pmr Head With Non Conformal Sid...

4/25/2008	Headway Technologies, Inc.	Assignee	Application Publication Patent	12072272 20090091862 8056213	Method To Make Pmr Head With Integrated Side Shield (iss) Method To Make Pmr Head With Integrated Side Shield (iss) Method To Make Pmr Head With Integrated Side Shield (iss)

3/11/2008	Headway Technologies, Inc.	Assignee	Application Publication Patent	11982597 20090116145 8238056	Perpendicular Shield Pole Writer With Tapered Main Pole And Tapered Non-... Perpendicular Shield Pole Writer With Tapered Main Pole And Tapered Non-... Perpendicular Shield Pole Writer With Tapered Main Pole And Tapered Non-...

8/17/2007	Headway Technologies, Inc.	Assignee	Application Publication Patent	11825034 20090009907 7773341	Laminated Film For Head Applications Laminated Film For Head Applications Laminated Film For Head Applications

7/11/2007	Headway Technologies, Inc.	Assignee	Application Publication Patent	11809346 20080297945 7978431	Method To Make A Perpendicular Magnetic Recording Head With A Bottom Sid... Method To Make A Perpendicular Magnetic Recording Head With A Bottom Sid... Method To Make A Perpendicular Magnetic Recording Head With A Bottom Sid...

5/24/2007	Headway Technologies, Inc.	Assignee	Application Publication Patent	11728910 20080253035 7979978	A Method For Manufacturing A Self-aligned Full Side Shield Pmr A Method For Manufacturing A Self-aligned Full Side Shield Pmr A Method For Manufacturing A Self-aligned Full Side Shield Pmr

3/22/2007	Headway Technologies, Inc.	Assignee	Application Publication	11707826 20080197021	Method to make superior soft (low Hk), high moment magnetic film and its... Method to make superior soft (low Hk), high moment magnetic film and its...

6/29/2006	Headway Technologies, Inc.	Assignee	Application Publication Patent	11431261 20070261967 8118990	Electroplated Magnetic Film For Read-write Applications Electroplated Magnetic Film For Read-write Applications Electroplated Magnetic Film For Read-write Applications

2/2/2006	Headway Technologies, Inc.	Assignee	Application Publication Patent	11345892 20070177301 7898773	Perpendicular Magnetic Recording Head With A Side Write Shield Perpendicular Magnetic Recording Head With A Side Write Shield Perpendicular Magnetic Recording Head With A Side Write Shield

12/23/2005	Headway Technologis, Inc.	Assignee	Application Publication Patent	11317598 20070146928 7646568	Ultra Thin Seed Layer For Cpp Or Tmr Structure Ultra Thin Seed Layer For Cpp Or Tmr Structure Ultra Thin Seed Layer For Cpp Or Tmr Structure

10/12/2005	Magic Technologies, Inc.	Assignee	Application Publication	11248965 20070080381	Robust protective layer for MTJ devices Robust protective layer for MTJ devices

7/8/2004	Headway Technologies, Inc.	Assignee	Application Publication Patent	10886888 20060007602 7293344	A Process Of Making Cd Uniformity In High Track Density Recording Head A Process Of Making Cd Uniformity In High Track Density Recording Head A Process Of Making Cd Uniformity In High Track Density Recording Head

7/7/2004	Headway Technologies, Inc.	Assignee	Application Publication Patent	10886288 20060007605 7331100	A Process Of Manufacturing A Seed/afm Combination For A Cpp Gmr Device A Process Of Manufacturing A Seed/afm Combination For A Cpp Gmr Device A Process Of Manufacturing A Seed/afm Combination For A Cpp Gmr Device

5/19/2004	Headway Technologies, Inc.	Assignee	Application Publication Patent	10849312 20050259356 7307815	Method For Making A Perpendicular Magnetic Recording Write Head With A S... Method For Making A Perpendicular Magnetic Recording Write Head With A S... Method For Making A Perpendicular Magnetic Recording Write Head With A S...

2/19/2004	Headway Technologies, Inc.	Assignee	Application Publication Patent	10782496 20050186797 7251102	Abs Through Aggressive Stitching Abs Through Aggressive Stitching Abs Through Aggressive Stitching

2/18/2004	Headway Technologies, Inc.	Assignee	Application Publication Patent	10781168 20050177996 7120989	A Process Of Manufacturing A Perpendicular Magnetic Pole Structure A Process Of Manufacturing A Perpendicular Magnetic Pole Structure A Process Of Manufacturing A Perpendicular Magnetic Pole Structure

2/17/2004	Headway Technologies, Inc.	Assignee	Application Publication Patent	10780514 20050180049 7193814	Pole Piece For High Track Density Recording Pole Piece For High Track Density Recording Pole Piece For High Track Density Recording

12/10/2003	Headway Technologies, Inc.	Assignee	Application Publication Patent	10732013 20050127416 6969895	Mram Cell With Flat Topography And Controlled Bit Line To Free Layer Dis... Mram Cell With Flat Topography And Controlled Bit Line To Free Layer Dis... Mram Cell With Flat Topography And Controlled Bit Line To Free Layer Dis...

11/21/2003	Headway Technologies, Inc.	Assignee	Application Publication Patent	10719723 20050112902 6929958	Method To Make Small Isolated Features With Pseudo-planarization For Tmr... Method To Make Small Isolated Features With Pseudo-planarization For Tmr... Method To Make Small Isolated Features With Pseudo-planarization For Tmr...

10/29/2003	Headway Technolgoies, Inc.	Assignee	Application Publication Patent	10696431 20050094319 7320168	A Method To Improve Heat Dissipation In A Magnetic Shield A Method To Improve Heat Dissipation In A Magnetic Shield A Method To Improve Heat Dissipation In A Magnetic Shield

8/25/2003	Headway Technologies, Inc.	Assignee	Application Publication Patent	10647762 20050047011 7047625	A Planarizing Process A Planarizing Process A Planarizing Process

8/1/2003	Headway Technologies, Inc.	Assignee	Application Publication Patent	10633132 20050024765 7038880	Method To Make A Planar Writer With Low D.c. Coil Resistance Method To Make A Planar Writer With Low D.c. Coil Resistance Method To Make A Planar Writer With Low D.c. Coil Resistance

8/1/2003	Headway Technologies, Inc.	Assignee	Application Publication Patent	10633105 20050024769 7116518	Short Yoke Length Planar Writer With Low Dc Coil Resistance Short Yoke Length Planar Writer With Low Dc Coil Resistance Short Yoke Length Planar Writer With Low Dc Coil Resistance

8/1/2003	Headway Technologies, Inc.	Assignee	Application Publication Patent	10633133 20050024770 7126789	Low Dc Coil Resistance Planar Writer Low Dc Coil Resistance Planar Writer Low Dc Coil Resistance Planar Writer

3/21/2003	Headway Technologies, Inc.	Assignee	Application Publication Patent	10394098 20040184190 6960281	Method To Make A Wider Trailing Pole Structure By Self-aligned Pole Trim... Method To Make A Wider Trailing Pole Structure By Self-aligned Pole Trim... Method To Make A Wider Trailing Pole Structure By Self-aligned Pole Trim...

12/13/2002	Headway Technologies, Inc.	Assignee	Application Publication Patent	10318455 20040114281 7146711	Method To Make Planarized Gmr Head For High Track Density Method To Make Planarized Gmr Head For High Track Density Method To Make Planarized Gmr Head For High Track Density

10/31/2002	Headway Technologies, Inc.	Assignee	Application Publication Patent	10284848 20040085674 6887355	Self-aligned Pole Trim Process Self-aligned Pole Trim Process Self-aligned Pole Trim Process

10/24/2002	Headway Technologies, Inc.	Assignee	Application Publication Patent	10279265 20040080867 6851178	A Process Of Manufacturing A Magnetic Write Head A Process Of Manufacturing A Magnetic Write Head A Process Of Manufacturing A Magnetic Write Head

10/22/2002	Headway Technologies, Inc.	Assignee	Application Publication Patent	10277477 20040075960 7022383	Exchange Bias Structure For Abutted Junction Gmr Sensor Exchange Bias Structure For Abutted Junction Gmr Sensor Exchange Bias Structure For Abutted Junction Gmr Sensor

9/6/2002	Headway Technologies, Inc.	Assignee	Application Publication Patent	10236359 20040047082 7196876	Method To Make Abutted Junction Gmr Head Without Lead Shunting Method To Make Abutted Junction Gmr Head Without Lead Shunting Method To Make Abutted Junction Gmr Head Without Lead Shunting

4/17/2002	Headway Technologies, Inc.	Assignee	Application Publication Patent	10124004 20030197983 6785954	A Method For Fabricating Lead Overlay (lol) On The Bottom Spin Valve Gmr... A Method For Fabricating Lead Overlay (lol) On The Bottom Spin Valve Gmr... A Method For Fabricating Lead Overlay (lol) On The Bottom Spin Valve Gmr...

3/22/2002	Headway Technologies, Inc.	Assignee	Application Publication Patent	10104802 20030179517 6857180	Method for fabricating a patterned synthetic longitudinal exchange biase... Method for fabricating a patterned synthetic longitudinal exchange biase... Method for fabricating a patterned synthetic longitudinal exchange biase...

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