Nobumasa Nishiyama

Person

Hachioji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Multilayer flex circuit with non-plated outer metal layer
- Patent number 11,419,213
- Issue date Aug 16, 2022
- Western Digital Technologies, Inc.
- Nobumasa Nishiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Flexible type electrical feed-through connector assembly
- Patent number 10,594,100
- Issue date Mar 17, 2020
- Western Digital Technologies, Inc.
- Miki Namihisa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hermetic sealed electrical connector with high-speed transmission f...
- Patent number 10,575,424
- Issue date Feb 25, 2020
- Western Digital Technologies, Inc.
- Yuta Onobu
- G11 - INFORMATION STORAGE
Information Patent Grant
Hermetic sealing with high-speed transmission for hard disk drive
- Patent number 9,870,806
- Issue date Jan 16, 2018
- Western Digital Technologies, Inc.
- Yuta Onobu
- G11 - INFORMATION STORAGE
Information Patent Grant
Pseudo flexure for disk drive and method of testing electronic circ...
- Patent number 9,841,457
- Issue date Dec 12, 2017
- NHK Spring Co., Ltd.
- Futa Sasaki
- G01 - MEASURING TESTING
Information Patent Grant
Flex-HGA connector assembly for hard disk drive
- Patent number 9,704,520
- Issue date Jul 11, 2017
- Western Digital Technologies, Inc.
- Shigeo Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Read path compensation for SNR and signal transfer
- Patent number 9,570,096
- Issue date Feb 14, 2017
- HGST Netherlands B.V.
- John Contreras
- G11 - INFORMATION STORAGE
Information Patent Grant
Hermetic sealing with high-speed transmission for hard disk drive
- Patent number 9,558,790
- Issue date Jan 31, 2017
- HGST Netherlands B.V.
- Yuta Onobu
- G11 - INFORMATION STORAGE
Information Patent Grant
Shielded flex cable for use in a disk drive
- Patent number 9,275,664
- Issue date Mar 1, 2016
- HGST Netherlands B.V.
- John Contreras
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording disk drive with multiple preamplifiers and commo...
- Patent number 9,165,596
- Issue date Oct 20, 2015
- HGST Netherlands B.V.
- John Contreras
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording disk drive with write driver to write head trans...
- Patent number 9,036,305
- Issue date May 19, 2015
- HGST Netherlands B.V.
- John Thomas Contreras
- G11 - INFORMATION STORAGE
Information Patent Grant
Grounding for a hard disk drive suspension tail
- Patent number 9,036,306
- Issue date May 19, 2015
- HGST Netherlands B.V.
- Nobumasa Nishiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Hard disk drive with write assist based on detected conditions
- Patent number 8,982,502
- Issue date Mar 17, 2015
- HGST Netherlands B.V.
- Akira Morinaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Interleaved conductor structure with wrap around traces
- Patent number 8,675,311
- Issue date Mar 18, 2014
- HGST Netherlands B.V.
- John T. Contreras
- G11 - INFORMATION STORAGE
Information Patent Grant
Interleaved conductor structure with offset traces
- Patent number 8,598,460
- Issue date Dec 3, 2013
- HGST Netherlands B.V.
- John T. Contreras
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having a facing electrode pair for generating an elec...
- Patent number 8,373,940
- Issue date Feb 12, 2013
- Hitachi Global Storage Technologies Netherlands B.V.
- Yohji Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Conductor suspension structure and electrical connection assembly f...
- Patent number 8,310,789
- Issue date Nov 13, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- John T. Contreras
- G11 - INFORMATION STORAGE
Information Patent Grant
Head-gimbal assembly including a transmission-line structure for hi...
- Patent number 8,248,732
- Issue date Aug 21, 2012
- Hitachi Global Storage Technologies, Netherlands B.V.
- Nobumasa Nishiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Head-stack assembly including heat-dissipation and impedance-matchi...
- Patent number 8,194,356
- Issue date Jun 5, 2012
- Hitachi Global Storage Technologies, Netherlands B.V.
- Kazuhiro Nagaoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording disk drive with write driver to write head trans...
- Patent number 8,189,281
- Issue date May 29, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Michael Alex
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive and head assembly having hole sequences
- Patent number 8,102,628
- Issue date Jan 24, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Ryohei Ota
- G11 - INFORMATION STORAGE
Information Patent Grant
Microactuator, head gimbal assembly, and disk drive device
- Patent number 8,068,313
- Issue date Nov 29, 2011
- Hitachi Global Storage Technologies Netherlands B.V.
- Nobumasa Nishiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head with flying height adjustment capability
- Patent number 7,983,005
- Issue date Jul 19, 2011
- Hitachi Global Storage Technologies Netherlands B.V.
- Takayoshi Ohtsu
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Disk drive and control method thereof
- Patent number 7,969,681
- Issue date Jun 28, 2011
- Hitachi Global Storage Technologies Netherlands B.V.
- Noriaki Satoh
- G11 - INFORMATION STORAGE
Information Patent Grant
High frequency interconnect signal transmission lines
- Patent number 7,804,663
- Issue date Sep 28, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Toshiki Hirano
- G11 - INFORMATION STORAGE
Information Patent Grant
Conductive member, disk drive using same, and conductive member fab...
- Patent number 7,724,475
- Issue date May 25, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Nobumasa Nishiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider with ground and heater terminal arrangement an...
- Patent number 7,684,153
- Issue date Mar 23, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Takayoshi Ohtsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Electrical lead suspension having partitioned air slots
- Patent number 7,489,479
- Issue date Feb 10, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Satya Prakash Arya
- G11 - INFORMATION STORAGE
Information Patent Grant
On the fly write head flyheight detector
- Patent number 7,440,217
- Issue date Oct 21, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Hiroyuki Ono
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording disk drive with reduced noise thermal flyheight control
- Patent number 7,417,209
- Issue date Aug 26, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- John Contreras
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MULTILAYER FLEX CIRCUIT WITH NON-PLATED OUTER METAL LAYER
- Publication number 20200315014
- Publication date Oct 1, 2020
- Western Digital Technologies, Inc.
- Nobumasa Nishiyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
HERMETIC SEALED ELECTRICAL CONNECTOR WITH HIGH-SPEED TRANSMISSION F...
- Publication number 20190104630
- Publication date Apr 4, 2019
- Western Digital Technologies, Inc.
- Yuta ONOBU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
HERMETIC SEALING WITH HIGH-SPEED TRANSMISSION FOR HARD DISK DRIVE
- Publication number 20170278551
- Publication date Sep 28, 2017
- HGST NETHERLANDS B.V.
- Yuta ONOBU
- G11 - INFORMATION STORAGE
Information Patent Application
Shielded Flex Cable for Use in a Disk Drive
- Publication number 20150170690
- Publication date Jun 18, 2015
- John Contreras
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING DISK DRIVE WITH WRITE DRIVER TO WRITE HEAD TRANS...
- Publication number 20150138663
- Publication date May 21, 2015
- HGST NETHERLANDS B.V.
- John Thomas Contreras
- G11 - INFORMATION STORAGE
Information Patent Application
HARD DISK DRIVE WITH WRITE ASSIST BASED ON DETECTED CONDITIONS
- Publication number 20130148234
- Publication date Jun 13, 2013
- Hitachi Global Storage Technologies Netherlands B.V.
- Akira Morinaga
- G11 - INFORMATION STORAGE
Information Patent Application
INTERLEAVED CONDUCTOR STRUCTURE WITH TRACES OF VARYING WIDTH
- Publication number 20120160548
- Publication date Jun 28, 2012
- John T. Contreras
- G11 - INFORMATION STORAGE
Information Patent Application
INTERLEAVED CONDUCTOR STRUCTURE WITH OFFSET TRACES
- Publication number 20120160538
- Publication date Jun 28, 2012
- John T. Contreras
- G11 - INFORMATION STORAGE
Information Patent Application
INTERLEAVED CONDUCTOR STRUCTURE WITH WRAP AROUND TRACES
- Publication number 20120162825
- Publication date Jun 28, 2012
- John T. Contreras
- G11 - INFORMATION STORAGE
Information Patent Application
INTEGRATED LEAD SUSPENSION (ILS) FOR USE WITH A DUAL STAGE ACTUATOR...
- Publication number 20120140360
- Publication date Jun 7, 2012
- John Contreras
- G11 - INFORMATION STORAGE
Information Patent Application
READ PATH COMPENSATION FOR SNR AND SIGNAL TRANSFER
- Publication number 20120033319
- Publication date Feb 9, 2012
- John Contreras
- G11 - INFORMATION STORAGE
Information Patent Application
WIDE-BANDWIDTH DIELECTRIC WINDOWING FOR CONDUCTOR SUSPENSION STRUCTURE
- Publication number 20120008237
- Publication date Jan 12, 2012
- John Thomas Contreras
- G11 - INFORMATION STORAGE
Information Patent Application
CONDUCTOR SUSPENSION STRUCTURE FOR HARD DISK DRIVES
- Publication number 20110149442
- Publication date Jun 23, 2011
- JOHN T. CONTRERAS
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING DISK DRIVE WITH WRITE DRIVER TO WRITE HEAD TRANS...
- Publication number 20110149441
- Publication date Jun 23, 2011
- HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
- Michael Alex
- G11 - INFORMATION STORAGE
Information Patent Application
HEAD-STACK ASSEMBLY INCLUDING HEAT-DISSIPATION AND IMPEDANCE-MATCHI...
- Publication number 20110102935
- Publication date May 5, 2011
- Kazuhiro Nagaoka
- G11 - INFORMATION STORAGE
Information Patent Application
HEAD-GIMBAL ASSEMBLY INCLUDING A TRANSMISSION-LINE STRUCTURE FOR HI...
- Publication number 20110090602
- Publication date Apr 21, 2011
- Nobumasa NISHIYAMA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD FOR RECORDING MAGNETIC DATA BY CHANGING THE MAGNETIZA...
- Publication number 20100053812
- Publication date Mar 4, 2010
- Yoji Maruyama
- G11 - INFORMATION STORAGE
Information Patent Application
MICROACTUATOR, HEAD GIMBAL ASSEMBLY, AND DISK DRIVE DEVICE
- Publication number 20090135523
- Publication date May 28, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Nobumasa Nishiyama
- G11 - INFORMATION STORAGE
Information Patent Application
High frequency interconnect signal transmission lines
- Publication number 20080151432
- Publication date Jun 26, 2008
- Toshiki Hirano
- G11 - INFORMATION STORAGE
Information Patent Application
Thin film magnetic head
- Publication number 20080014467
- Publication date Jan 17, 2008
- Hitachi Global Storage Technologies Netherlands B.
- Takayoshi Ohtsu
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive and control method thereof
- Publication number 20070247744
- Publication date Oct 25, 2007
- Noriaki Satoh
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive and head assembly used in the same
- Publication number 20070230059
- Publication date Oct 4, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Ryohei Ota
- G11 - INFORMATION STORAGE
Information Patent Application
Recording disk drive with reduced noise thermal flyheight control
- Publication number 20070210070
- Publication date Sep 13, 2007
- John Contreras
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider with terminal arrangement and magnetic head as...
- Publication number 20060268459
- Publication date Nov 30, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Takayoshi Ohtsu
- G11 - INFORMATION STORAGE
Information Patent Application
Conductive member, disk drive using same, and conductive member fab...
- Publication number 20060175080
- Publication date Aug 10, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Nobumasa Nishiyama
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Electrical lead suspension having partitioned air slots
- Publication number 20060158785
- Publication date Jul 20, 2006
- Satya Prakash Arya
- G11 - INFORMATION STORAGE
Information Patent Application
On the fly write head flyheight detector
- Publication number 20060158769
- Publication date Jul 20, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Hiroyuki Ono
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for reducing crosstalk and signal loss in flex...
- Publication number 20060152854
- Publication date Jul 13, 2006
- Satya Prakash Arya
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk drive
- Publication number 20040252413
- Publication date Dec 16, 2004
- Hitachi Global Storage Technologies Japan, Ltd.
- Nobumasa Nishiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk drive
- Publication number 20040165305
- Publication date Aug 26, 2004
- Hitachi Global Storage Technologies Japan, Ltd.
- Nobumasa Nishiyama
- G11 - INFORMATION STORAGE

Nobumasa Nishiyama

Person

Patents Grantslast 30 patents

Multilayer flex circuit with non-plated outer metal layer

Flexible type electrical feed-through connector assembly

Hermetic sealed electrical connector with high-speed transmission f...

Hermetic sealing with high-speed transmission for hard disk drive

Pseudo flexure for disk drive and method of testing electronic circ...

Flex-HGA connector assembly for hard disk drive

Read path compensation for SNR and signal transfer

Hermetic sealing with high-speed transmission for hard disk drive

Shielded flex cable for use in a disk drive

Magnetic recording disk drive with multiple preamplifiers and commo...

Magnetic recording disk drive with write driver to write head trans...

Grounding for a hard disk drive suspension tail

Hard disk drive with write assist based on detected conditions

Interleaved conductor structure with wrap around traces

Interleaved conductor structure with offset traces

Magnetic head having a facing electrode pair for generating an elec...

Conductor suspension structure and electrical connection assembly f...

Head-gimbal assembly including a transmission-line structure for hi...

Head-stack assembly including heat-dissipation and impedance-matchi...

Magnetic recording disk drive with write driver to write head trans...

Disk drive and head assembly having hole sequences

Microactuator, head gimbal assembly, and disk drive device

Thin film magnetic head with flying height adjustment capability

Disk drive and control method thereof

High frequency interconnect signal transmission lines

Conductive member, disk drive using same, and conductive member fab...

Magnetic head slider with ground and heater terminal arrangement an...

Electrical lead suspension having partitioned air slots

On the fly write head flyheight detector

Recording disk drive with reduced noise thermal flyheight control

Patents Applicationslast 30 patents

MULTILAYER FLEX CIRCUIT WITH NON-PLATED OUTER METAL LAYER

HERMETIC SEALED ELECTRICAL CONNECTOR WITH HIGH-SPEED TRANSMISSION F...

HERMETIC SEALING WITH HIGH-SPEED TRANSMISSION FOR HARD DISK DRIVE

Shielded Flex Cable for Use in a Disk Drive

MAGNETIC RECORDING DISK DRIVE WITH WRITE DRIVER TO WRITE HEAD TRANS...

HARD DISK DRIVE WITH WRITE ASSIST BASED ON DETECTED CONDITIONS

INTERLEAVED CONDUCTOR STRUCTURE WITH TRACES OF VARYING WIDTH

INTERLEAVED CONDUCTOR STRUCTURE WITH OFFSET TRACES

INTERLEAVED CONDUCTOR STRUCTURE WITH WRAP AROUND TRACES

INTEGRATED LEAD SUSPENSION (ILS) FOR USE WITH A DUAL STAGE ACTUATOR...

READ PATH COMPENSATION FOR SNR AND SIGNAL TRANSFER

WIDE-BANDWIDTH DIELECTRIC WINDOWING FOR CONDUCTOR SUSPENSION STRUCTURE

CONDUCTOR SUSPENSION STRUCTURE FOR HARD DISK DRIVES

MAGNETIC RECORDING DISK DRIVE WITH WRITE DRIVER TO WRITE HEAD TRANS...

HEAD-STACK ASSEMBLY INCLUDING HEAT-DISSIPATION AND IMPEDANCE-MATCHI...

HEAD-GIMBAL ASSEMBLY INCLUDING A TRANSMISSION-LINE STRUCTURE FOR HI...

MAGNETIC HEAD FOR RECORDING MAGNETIC DATA BY CHANGING THE MAGNETIZA...

MICROACTUATOR, HEAD GIMBAL ASSEMBLY, AND DISK DRIVE DEVICE

High frequency interconnect signal transmission lines

Thin film magnetic head

Disk drive and control method thereof

Disk drive and head assembly used in the same

Recording disk drive with reduced noise thermal flyheight control

Magnetic head slider with terminal arrangement and magnetic head as...

Conductive member, disk drive using same, and conductive member fab...

Electrical lead suspension having partitioned air slots

On the fly write head flyheight detector

Method and apparatus for reducing crosstalk and signal loss in flex...

Magnetic disk drive

Magnetic disk drive