Hiroyasu YOSHIZAWA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electronic circuit and semiconductor device
- Patent number 9,859,885
- Issue date Jan 2, 2018
- SII Semiconductor Corporation
- Shunsuke Kubota
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor integrated circuit device
- Patent number 9,455,711
- Issue date Sep 27, 2016
- Hitachi, Ltd.
- Shunsuke Kubota
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Switching circuit and semiconductor integrated circuit device
- Patent number 9,337,823
- Issue date May 10, 2016
- Hitachi, Ltd.
- Na Li
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transmission drive circuit and semiconductor integrated circuit device
- Patent number 9,331,675
- Issue date May 3, 2016
- Hitachi, Ltd.
- Hiroyasu Yoshizawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Switch circuit and semiconductor circuit
- Patent number 8,598,939
- Issue date Dec 3, 2013
- Hitachi, Ltd.
- Tetsuhiro Shimizu
- G01 - MEASURING TESTING
Information Patent Grant
Semiconductor integrated circuit device having pulse generating cir...
- Patent number 8,143,924
- Issue date Mar 27, 2012
- Hitachi, Ltd.
- Satoshi Hanazawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor integrated circuit device
- Patent number 7,973,573
- Issue date Jul 5, 2011
- Hitachi, Ltd.
- Satoshi Hanazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor integrated circuit capable of directly coupling low-v...
- Patent number 7,692,456
- Issue date Apr 6, 2010
- Hitachi, Ltd.
- Satoshi Hanazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Variable gain amplifier
- Patent number 7,372,330
- Issue date May 13, 2008
- Hitachi, Ltd.
- Hiroyasu Yoshizawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Storage media reading writing system
- Patent number 7,239,467
- Issue date Jul 3, 2007
- Hitachi, Ltd.
- Hiroyasu Yoshizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk storage systems
- Patent number 7,082,004
- Issue date Jul 25, 2006
- Hitachi, Ltd.
- Shinya Kajiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Driving circuit for a magnetic head and magnetic recording apparatus
- Patent number 6,867,936
- Issue date Mar 15, 2005
- Hitachi, Ltd.
- Yasuyuki Ookuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Storage media reading writing system
- Patent number 6,762,896
- Issue date Jul 13, 2004
- Hitachi, Ltd.
- Hiroyasu Yoshizawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
TRANSMISSION CIRCUIT FOR ULTRASONIC DIAGNOSIS AND METHOD FOR TRANSM...
- Publication number 20170150946
- Publication date Jun 1, 2017
- SII Semiconductor Corporation
- Hiroyasu YOSHIZAWA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Electronic Circuit and Semiconductor Device
- Publication number 20170047921
- Publication date Feb 16, 2017
- Hitachi, Ltd
- Shunsuke KUBOTA
- G01 - MEASURING TESTING
Information Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE
- Publication number 20160043720
- Publication date Feb 11, 2016
- Hitachi, Ltd.
- Shunsuke KUBOTA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
TRANSMISSION DRIVE CIRCUIT AND SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE
- Publication number 20160036418
- Publication date Feb 4, 2016
- Hitachi, Ltd.
- Hiroyasu YOSHIZAWA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SWITCHING CIRCUIT AND SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE
- Publication number 20160020760
- Publication date Jan 21, 2016
- Hitachi, Ltd.
- Na LI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SWITCH CIRCUIT AND SEMICONDUCTOR CIRCUIT
- Publication number 20120249210
- Publication date Oct 4, 2012
- Hitachi, Ltd.
- Tetsuhiro SHIMIZU
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE
- Publication number 20100214006
- Publication date Aug 26, 2010
- Hitachi, Ltd.
- Satoshi HANAZAWA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE
- Publication number 20100137720
- Publication date Jun 3, 2010
- Hitachi, Ltd.
- Satoshi Hanazawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE
- Publication number 20080238532
- Publication date Oct 2, 2008
- Satoshi Hanazawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Read circuit and hard disk drive using the same
- Publication number 20070121237
- Publication date May 31, 2007
- Hitachi, Ltd.
- Hiroyasu Yoshizawa
- G11 - INFORMATION STORAGE
Information Patent Application
Variable gain amplifier
- Publication number 20070075774
- Publication date Apr 5, 2007
- Hitachi, Ltd.
- Hiroyasu Yoshizawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Disk storage systems
- Publication number 20050180041
- Publication date Aug 18, 2005
- Hitachi, Ltd.
- Shinya Kajiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Driving circuit for a magnetic head and magnetic recording apparatus
- Publication number 20050128619
- Publication date Jun 16, 2005
- Hitachi, Ltd.
- Yasuyuki Ookuma
- G11 - INFORMATION STORAGE
Information Patent Application
Storage media reading writing system
- Publication number 20040202066
- Publication date Oct 14, 2004
- Hitachi, Ltd.
- Hiroyasu Yoshizawa
- G11 - INFORMATION STORAGE
Information Patent Application
Storage media reading system and semiconductor integrated circuit d...
- Publication number 20030142432
- Publication date Jul 31, 2003
- Hitachi, Ltd.
- Hiroyasu Yoshizawa
- G11 - INFORMATION STORAGE
Information Patent Application
Storage media reading writing system
- Publication number 20020118479
- Publication date Aug 29, 2002
- Hiroyasu Yoshizawa
- G11 - INFORMATION STORAGE
Information Patent Application
Driving circuit for a magnetic head and magnetic recording apparatus
- Publication number 20020105746
- Publication date Aug 8, 2002
- Yasuyuki Ookuma
- G11 - INFORMATION STORAGE

Hiroyasu YOSHIZAWA

Person

Patents Grantslast 30 patents

Electronic circuit and semiconductor device

Semiconductor integrated circuit device

Switching circuit and semiconductor integrated circuit device

Transmission drive circuit and semiconductor integrated circuit device

Switch circuit and semiconductor circuit

Semiconductor integrated circuit device having pulse generating cir...

Semiconductor integrated circuit device

Semiconductor integrated circuit capable of directly coupling low-v...

Variable gain amplifier

Storage media reading writing system

Disk storage systems

Driving circuit for a magnetic head and magnetic recording apparatus

Storage media reading writing system

Patents Applicationslast 30 patents

TRANSMISSION CIRCUIT FOR ULTRASONIC DIAGNOSIS AND METHOD FOR TRANSM...

Electronic Circuit and Semiconductor Device

SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE

TRANSMISSION DRIVE CIRCUIT AND SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE

SWITCHING CIRCUIT AND SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE

SWITCH CIRCUIT AND SEMICONDUCTOR CIRCUIT

SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE

SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE

SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE

Read circuit and hard disk drive using the same

Variable gain amplifier

Disk storage systems

Driving circuit for a magnetic head and magnetic recording apparatus

Storage media reading writing system

Storage media reading system and semiconductor integrated circuit d...

Storage media reading writing system

Driving circuit for a magnetic head and magnetic recording apparatus