Kazuya NIWA

Person

Ichihara-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing magnetic recording medium
- Patent number 12,217,779
- Issue date Feb 4, 2025
- RESONAC HARD DISK CORPORATION
- Yoshitaka Aono
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic read/write apparatus
- Patent number 12,087,341
- Issue date Sep 10, 2024
- Resonac Corporation
- Chen Xu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, magnetic recording and reproducing appar...
- Patent number 11,823,721
- Issue date Nov 21, 2023
- Resonac Corporation
- Yoshitaka Aono
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, magnetic storage apparatus, and method f...
- Patent number 11,545,176
- Issue date Jan 3, 2023
- Showa Denko K.K.
- Takayuki Fukushima
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, sputtering target, sputtering target man...
- Patent number 11,244,700
- Issue date Feb 8, 2022
- Showa Denko K.K.
- Katsumi Murofushi
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat-assisted magnetic recording medium and magnetic storage apparatus
- Patent number 11,037,591
- Issue date Jun 15, 2021
- Showa Denko K.K.
- Lei Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
High density magnetic recording medium for heat-assisted magnetic s...
- Patent number 11,024,334
- Issue date Jun 1, 2021
- Showa Denko K.K.
- Takayuki Fukushima
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic storage apparatus
- Patent number 10,978,103
- Issue date Apr 13, 2021
- Showa Denko K.K.
- Takayuki Fukushima
- G11 - INFORMATION STORAGE
Information Patent Grant
Assisted magnetic recording medium and magnetic storage apparatus
- Patent number 10,685,674
- Issue date Jun 16, 2020
- Showa Denko K.K.
- Takayuki Fukushima
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat-assisted magnetic recording medium and magnetic storage apparatus
- Patent number 10,643,649
- Issue date May 5, 2020
- Showa Denko K.K.
- Shin Saito
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat-assisted magnetic recording medium and magnetic storage apparatus
- Patent number 10,614,849
- Issue date Apr 7, 2020
- Showa Denko K.K.
- Takayuki Fukushima
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat-assisted magnetic recording medium and magnetic storage apparatus
- Patent number 10,553,242
- Issue date Feb 4, 2020
- Showa Denko K.K.
- Lei Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Assisted magnetic recording medium including a pinning layer and ma...
- Patent number 10,360,936
- Issue date Jul 23, 2019
- Showa Denko K.K.
- Kazuya Niwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic storage apparatus
- Patent number 10,283,154
- Issue date May 7, 2019
- Showa Denko K.K.
- Shintaro Hinata
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic storage apparatus including a magnetic recording medium ha...
- Patent number 10,127,939
- Issue date Nov 13, 2018
- Showa Denko K.K.
- Kazuya Niwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic memory device including magn...
- Patent number 10,008,220
- Issue date Jun 26, 2018
- Showa Denko K.K.
- Takayuki Fukushima
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic storage apparatus
- Patent number 9,934,810
- Issue date Apr 3, 2018
- Showa Denko K.K.
- Lei Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having L10 magnetic layer and plurality o...
- Patent number 9,384,772
- Issue date Jul 5, 2016
- Showa Denko K.K.
- Lei Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording and reproducing ap...
- Patent number 9,361,924
- Issue date Jun 7, 2016
- Showa Denko K.K.
- Kazuya Niwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic storage apparatus
- Patent number 9,251,834
- Issue date Feb 2, 2016
- Showa Denko K.K.
- Lei Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic storage apparatus
- Patent number 9,245,567
- Issue date Jan 26, 2016
- Showa Denko K.K.
- Tetsuya Kanbe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic storage apparatus
- Patent number 9,230,588
- Issue date Jan 5, 2016
- Showa Denko K.K.
- Lei Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Thermally assisted magnetic recording medium and magnetic recording...
- Patent number 9,007,880
- Issue date Apr 14, 2015
- Showa Denko K.K.
- Tetsuya Kanbe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic storage apparatus
- Patent number 8,988,828
- Issue date Mar 24, 2015
- Showa Denko K.K.
- Tetsuya Kanbe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having multiple under layers for heat-ass...
- Patent number 8,792,313
- Issue date Jul 29, 2014
- Showa Denko K.K.
- Kazuya Niwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat-assisted magnetic recording medium and magnetic storage device
- Patent number 8,542,569
- Issue date Sep 24, 2013
- Showa Denko K.K.
- Tetsuya Kanbe
- G11 - INFORMATION STORAGE
Information Patent Grant
Abrasive tape, method for producing abrasive tape, and varnishing p...
- Patent number 8,512,100
- Issue date Aug 20, 2013
- Showa Denko K.K.
- Ryuji Sakaguchi
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING MAGNETIC RECORDING MEDIUM
- Publication number 20230131031
- Publication date Apr 27, 2023
- SHOWA DENKO K.K.
- Yoshitaka AONO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC STORAGE APPARATUS, AND METHOD F...
- Publication number 20220358962
- Publication date Nov 10, 2022
- SHOWA DENKO K.K.
- Takayuki FUKUSHIMA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING AND REPRODUCING APPAR...
- Publication number 20220246176
- Publication date Aug 4, 2022
- SHOWA DENKO K.K.
- Yoshitaka AONO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC READ/WRITE APPARATUS
- Publication number 20200357436
- Publication date Nov 12, 2020
- SHOWA DENKO K.K.
- Chen XU
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
- Publication number 20200327905
- Publication date Oct 15, 2020
- SHOWA DENKO K.K.
- Takayuki FUKUSHIMA
- G11 - INFORMATION STORAGE
Information Patent Application
HEAT-ASSISTED MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
- Publication number 20200075053
- Publication date Mar 5, 2020
- SHOWA DENKO K.K.
- Takayuki FUKUSHIMA
- G11 - INFORMATION STORAGE
Information Patent Application
HEAT-ASSISTED MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
- Publication number 20200005821
- Publication date Jan 2, 2020
- SHOWA DENKO K.K.
- Lei ZHANG
- G11 - INFORMATION STORAGE
Information Patent Application
HEAT-ASSISTED MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
- Publication number 20200005823
- Publication date Jan 2, 2020
- SHOWA DENKO K.K.
- Shin SAITO
- G11 - INFORMATION STORAGE
Information Patent Application
HEAT-ASSISTED MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
- Publication number 20190392860
- Publication date Dec 26, 2019
- SHOWA DENKO K.K.
- Lei ZHANG
- G11 - INFORMATION STORAGE
Information Patent Application
ASSISTED MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
- Publication number 20190392863
- Publication date Dec 26, 2019
- SHOWA DENKO K.K.
- Takayuki FUKUSHIMA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
- Publication number 20190355387
- Publication date Nov 21, 2019
- SHOWA DENKO K.K.
- Takayuki FUKUSHIMA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM, SPUTTERING TARGET, SPUTTERING TARGET MAN...
- Publication number 20190180782
- Publication date Jun 13, 2019
- SHOWA DENKO K.K.
- Katsumi MUROFUSHI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
- Publication number 20180358041
- Publication date Dec 13, 2018
- SHOWA DENKO K.K.
- Shintaro HINATA
- G11 - INFORMATION STORAGE
Information Patent Application
ASSISTED MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE DEVICE
- Publication number 20180261245
- Publication date Sep 13, 2018
- SHOWA DENKO K.K.
- Kazuya NIWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
- Publication number 20180240487
- Publication date Aug 23, 2018
- SHOWA DENKO K.K.
- Kazuya NIWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
- Publication number 20180182421
- Publication date Jun 28, 2018
- SHOWA DENKO K.K.
- Takayuki FUKUSHIMA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
- Publication number 20180182423
- Publication date Jun 28, 2018
- SHOWA DENKO K.K.
- Lei ZHANG
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC MEMORY DEVICE
- Publication number 20170365279
- Publication date Dec 21, 2017
- SHOWA DENKO K.K.
- Takayuki FUKUSHIMA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
- Publication number 20150117166
- Publication date Apr 30, 2015
- SHOWA DENKO K.K.
- Lei ZHANG
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING AP...
- Publication number 20150085628
- Publication date Mar 26, 2015
- Showa Denko K.K.
- Kazuya NIWA
- G11 - INFORMATION STORAGE
Information Patent Application
THERMALLY ASSISTED MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING...
- Publication number 20150049594
- Publication date Feb 19, 2015
- Showa Denko K.K.
- Tetsuya KANBE
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
- Publication number 20150036242
- Publication date Feb 5, 2015
- SHOWA DENKO K.K.
- Lei ZHANG
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
- Publication number 20150029830
- Publication date Jan 29, 2015
- Showa Denko K.K.
- Lei ZHANG
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
- Publication number 20150009786
- Publication date Jan 8, 2015
- Showa Denko K.K.
- Tetsuya KANBE
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
- Publication number 20140376127
- Publication date Dec 25, 2014
- Tetsuya KANBE
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
- Publication number 20140308542
- Publication date Oct 16, 2014
- SHOWA DENKO K.K.
- Lei ZHANG
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING AP...
- Publication number 20140064047
- Publication date Mar 6, 2014
- SHOWA DENKO K.K.
- Kazuya NIWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING AP...
- Publication number 20130208578
- Publication date Aug 15, 2013
- SHOWA DENKO K.K.
- Tetsuya KANBE
- G11 - INFORMATION STORAGE
Information Patent Application
HEAT-ASSISTED MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE DEVICE
- Publication number 20120207003
- Publication date Aug 16, 2012
- SHOWA DENKO K.K.
- Tetsuya Kanbe
- G11 - INFORMATION STORAGE
Information Patent Application
Burnishing tape and method of manufacturing the same, and method of...
- Publication number 20100003901
- Publication date Jan 7, 2010
- SHOWA DENKO K.K.
- Ryuji Sakaguchi
- B24 - GRINDING POLISHING

Kazuya NIWA

Person

Patents Grantslast 30 patents

Method of manufacturing magnetic recording medium

Magnetic recording medium and magnetic read/write apparatus

Magnetic recording medium, magnetic recording and reproducing appar...

Magnetic recording medium, magnetic storage apparatus, and method f...

Magnetic recording medium, sputtering target, sputtering target man...

Heat-assisted magnetic recording medium and magnetic storage apparatus

High density magnetic recording medium for heat-assisted magnetic s...

Magnetic recording medium and magnetic storage apparatus

Assisted magnetic recording medium and magnetic storage apparatus

Heat-assisted magnetic recording medium and magnetic storage apparatus

Heat-assisted magnetic recording medium and magnetic storage apparatus

Heat-assisted magnetic recording medium and magnetic storage apparatus

Assisted magnetic recording medium including a pinning layer and ma...

Magnetic recording medium and magnetic storage apparatus

Magnetic storage apparatus including a magnetic recording medium ha...

Magnetic recording medium and magnetic memory device including magn...

Magnetic recording medium and magnetic storage apparatus

Magnetic recording medium having L10 magnetic layer and plurality o...

Magnetic recording medium and magnetic recording and reproducing ap...

Magnetic recording medium and magnetic storage apparatus

Magnetic recording medium and magnetic storage apparatus

Magnetic recording medium and magnetic storage apparatus

Thermally assisted magnetic recording medium and magnetic recording...

Magnetic recording medium and magnetic storage apparatus

Magnetic recording medium having multiple under layers for heat-ass...

Heat-assisted magnetic recording medium and magnetic storage device

Abrasive tape, method for producing abrasive tape, and varnishing p...

Patents Applicationslast 30 patents

METHOD OF MANUFACTURING MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM, MAGNETIC STORAGE APPARATUS, AND METHOD F...

MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING AND REPRODUCING APPAR...

MAGNETIC RECORDING MEDIUM AND MAGNETIC READ/WRITE APPARATUS

MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS

HEAT-ASSISTED MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS

HEAT-ASSISTED MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS

HEAT-ASSISTED MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS

HEAT-ASSISTED MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS

ASSISTED MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS

MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS

MAGNETIC RECORDING MEDIUM, SPUTTERING TARGET, SPUTTERING TARGET MAN...

MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS

ASSISTED MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE DEVICE

MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS

MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS

MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS

MAGNETIC RECORDING MEDIUM AND MAGNETIC MEMORY DEVICE

MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS

MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING AP...

THERMALLY ASSISTED MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING...

MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS

MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS

MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS

MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS

MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS

MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING AP...

MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING AP...

HEAT-ASSISTED MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE DEVICE

Burnishing tape and method of manufacturing the same, and method of...