Tsuyoshi Yoshizawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Integrated circuit and power supply circuit
- Patent number 11,705,819
- Issue date Jul 18, 2023
- Fuji Electric Co., Ltd.
- Tsuyoshi Yoshizawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetic recording medium having tin containing seed layer
- Patent number 11,120,829
- Issue date Sep 14, 2021
- Fuji Electric Co., Ltd.
- Hiroyasu Kataoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Control apparatus for controlling switching power supply
- Patent number 10,924,021
- Issue date Feb 16, 2021
- Fuji Electric Co., Ltd.
- Tsuyoshi Yoshizawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetic recording medium
- Patent number 10,304,485
- Issue date May 28, 2019
- Fuji Electric Co., Ltd.
- Tsuyoshi Yoshizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing magnetic recording medium
- Patent number 10,152,996
- Issue date Dec 11, 2018
- Fuji Electric Co., Ltd.
- Tsuyoshi Yoshizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium for thermally assisted recording
- Patent number 8,475,948
- Issue date Jul 2, 2013
- Fuji Electric Co., Ltd.
- Akira Furuta
- G11 - INFORMATION STORAGE
Information Patent Grant
Characteristic evaluation method for magnetic disk medium
- Patent number 7,589,924
- Issue date Sep 15, 2009
- Fuji Electric Device Technology Co., Ltd.
- Tsuyoshi Yoshizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic data embedding system
- Patent number 7,016,132
- Issue date Mar 21, 2006
- Fuji Electric Device Technology Co., Ltd.
- Kiminori Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk medium, fixed magnetic disk drive unit, and method th...
- Patent number 6,980,387
- Issue date Dec 27, 2005
- Fuji Electric Co., Ltd.
- Tsuyoshi Yoshizawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
INTEGRATED CIRCUIT FOR POWER SUPPLY AND POWER SUPPLY SYSTEM
- Publication number 20240275270
- Publication date Aug 15, 2024
- Fuji Electric Co., Ltd.
- Tsuyoshi YOSHIZAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INTEGRATED CIRCUIT AND POWER SUPPLY CIRCUIT
- Publication number 20240113628
- Publication date Apr 4, 2024
- Fuji Electric Co., Ltd.
- Yoshizawa TSUYOSHI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INTEGRATED CIRCUIT AND POWER SUPPLY CIRCUIT
- Publication number 20220060118
- Publication date Feb 24, 2022
- Fuji Electric Co., Ltd.
- Tsuyoshi YOSHIZAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL APPARATUS FOR CONTROLLING SWITCHING POWER SUPPLY
- Publication number 20200106363
- Publication date Apr 2, 2020
- Fuji Electric Co., Ltd.
- Tsuyoshi YOSHIZAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20190198051
- Publication date Jun 27, 2019
- Fuji Electric Co., Ltd.
- Hiroyasu KATAOKA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20170301367
- Publication date Oct 19, 2017
- Fuji Electric Co., Ltd.
- Tsuyoshi Yoshizawa
- G11 - INFORMATION STORAGE
Information Patent Application
PROCESS FOR PRODUCING MAGNETIC RECORDING MEDIUM
- Publication number 20170169850
- Publication date Jun 15, 2017
- Fuji Electric Co., Ltd.
- Tsuyoshi Yoshizawa
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium for thermally assisted recording
- Publication number 20100129686
- Publication date May 27, 2010
- Fuji Electric Device Technology Co., LTD.
- Akira Furuta
- G11 - INFORMATION STORAGE
Information Patent Application
Characteristic evaluation method for magnetic disk medium
- Publication number 20080037153
- Publication date Feb 14, 2008
- Fuji Electric Device Technology Co., LTD.
- Tsuyoshi Yoshizawa
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic data embedding system
- Publication number 20050073762
- Publication date Apr 7, 2005
- Kiminori Sato
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk medium, fixed magnetic disk drive unit, and method th...
- Publication number 20040057149
- Publication date Mar 25, 2004
- Tsuyoshi Yoshizawa
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for observing magnetic transfer subpulse
- Publication number 20020044368
- Publication date Apr 18, 2002
- Tsuyoshi Yoshizawa
- G11 - INFORMATION STORAGE

Tsuyoshi Yoshizawa

Person

Patents Grantslast 30 patents

Integrated circuit and power supply circuit

Magnetic recording medium having tin containing seed layer

Control apparatus for controlling switching power supply

Magnetic recording medium

Process for producing magnetic recording medium

Magnetic recording medium for thermally assisted recording

Characteristic evaluation method for magnetic disk medium

Magnetic data embedding system

Magnetic disk medium, fixed magnetic disk drive unit, and method th...

Patents Applicationslast 30 patents

INTEGRATED CIRCUIT FOR POWER SUPPLY AND POWER SUPPLY SYSTEM

INTEGRATED CIRCUIT AND POWER SUPPLY CIRCUIT

INTEGRATED CIRCUIT AND POWER SUPPLY CIRCUIT

CONTROL APPARATUS FOR CONTROLLING SWITCHING POWER SUPPLY

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM

PROCESS FOR PRODUCING MAGNETIC RECORDING MEDIUM

Magnetic recording medium for thermally assisted recording

Characteristic evaluation method for magnetic disk medium

Magnetic data embedding system

Magnetic disk medium, fixed magnetic disk drive unit, and method th...

Method and apparatus for observing magnetic transfer subpulse