Lei ZHANG

Person

Ichihara-shi, JP

People

Patents Grantslast 30 patents

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 property measuring apparatus and magnetic property measuri...
- Patent number 11,846,605
- Issue date Dec 19, 2023
- Resonac Corporation
- Lei Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic recording medium, method of manufacturing magnetic recordi...
- Patent number 11,676,632
- Issue date Jun 13, 2023
- Resonac Corporation
- Takayuki Fukushima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Magnetic recording medium utilizing adjacent underlayer and magneti...
- Patent number 11,189,313
- Issue date Nov 30, 2021
- Showa Denko K.K.
- Koichi Nagasaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic storage device
- Patent number 11,043,238
- Issue date Jun 22, 2021
- Showa Denko K.K.
- Takehiro Yamaguchi
- 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
Magnetic recording medium and magnetic storage apparatus
- Patent number 10,803,895
- Issue date Oct 13, 2020
- Showa Denko K.K.
- Takayuki Fukushima
- G11 - INFORMATION STORAGE
Information Patent Grant
Efficient reduction in electric power consumption for a parallel pr...
- Patent number 10,705,592
- Issue date Jul 7, 2020
- Fujitsu Limited
- Lei Zhang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic recording medium and magnetic storage apparatus
- Patent number 10,706,884
- Issue date Jul 7, 2020
- Showa Denko K.K.
- Takayuki Fukushima
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Magnetic recording medium and magnetic storage apparatus
- Patent number 10,699,737
- Issue date Jun 30, 2020
- 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
Apparatus and method for determining a sector division ratio of a s...
- Patent number 9,477,601
- Issue date Oct 25, 2016
- Fujitsu Limited
- Lei Zhang
- G06 - COMPUTING CALCULATING COUNTING
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

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC PROPERTY MEASURING APPARATUS AND MAGNETIC PROPERTY MEASURI...
- Publication number 20220381738
- Publication date Dec 1, 2022
- SHOWA DENKO K.K.
- Lei ZHANG
- G01 - MEASURING TESTING
Information Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC STORAGE APPARATUS, AND METHOD F...
- Publication number 20220319546
- Publication date Oct 6, 2022
- SHOWA DENKO K.K.
- Chen XU
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC STORAGE APPARATUS, AND METHOD O...
- Publication number 20210256998
- Publication date Aug 19, 2021
- SHOWA DENKO K.K.
- Koichi NAGASAKA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE DEVICE
- Publication number 20210201944
- Publication date Jul 1, 2021
- SHOWA DENKO K.K.
- Takehiro YAMAGUCHI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM, METHOD OF MANUFACTURING MAGNETIC RECORDI...
- Publication number 20210201947
- Publication date Jul 1, 2021
- SHOWA DENKO K.K.
- Takayuki FUKUSHIMA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
EFFICIENT REDUCTION IN ELECTRIC POWER CONSUMPTION FOR A PARALLEL PR...
- Publication number 20180356875
- Publication date Dec 13, 2018
- Fujitsu Limited
- LEI ZHANG
- G06 - COMPUTING CALCULATING COUNTING
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 20180226092
- Publication date Aug 9, 2018
- SHOWA DENKO K.K.
- Takayuki FUKUSHIMA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
- Publication number 20180211688
- Publication date Jul 26, 2018
- SHOWA DENKO K.K.
- Takayuki FUKUSHIMA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
- Publication number 20180204591
- Publication date Jul 19, 2018
- SHOWA DENKO K.K.
- Takayuki FUKUSHIMA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
APPARATUS AND METHOD FOR DETERMINING A SECTOR DIVISION RATIO OF A S...
- Publication number 20150339229
- Publication date Nov 26, 2015
- FUJITSU LIMITED
- LEI ZHANG
- G06 - COMPUTING CALCULATING COUNTING
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

Person

Patents Grantslast 30 patents

Magnetic recording medium and magnetic read/write apparatus

Magnetic property measuring apparatus and magnetic property measuri...

Magnetic recording medium, method of manufacturing magnetic recordi...

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

Magnetic recording medium utilizing adjacent underlayer and magneti...

Magnetic recording medium and magnetic storage device

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

Magnetic recording medium and magnetic storage apparatus

Efficient reduction in electric power consumption for a parallel pr...

Magnetic recording medium and magnetic storage apparatus

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

Apparatus and method for determining a sector division ratio of a s...

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

Patents Applicationslast 30 patents

MAGNETIC PROPERTY MEASURING APPARATUS AND MAGNETIC PROPERTY MEASURI...

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

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

MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE DEVICE

MAGNETIC RECORDING MEDIUM, METHOD OF MANUFACTURING MAGNETIC RECORDI...

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

EFFICIENT REDUCTION IN ELECTRIC POWER CONSUMPTION FOR A PARALLEL PR...

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 STORAGE APPARATUS

MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS

MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS

MAGNETIC RECORDING MEDIUM AND MAGNETIC MEMORY DEVICE

APPARATUS AND METHOD FOR DETERMINING A SECTOR DIVISION RATIO OF A S...

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