Seiichi Yamamoto

Person

Kyoto, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Reference voltage generation circuit
- Patent number 11,940,823
- Issue date Mar 26, 2024
- Rohm Co., Ltd.
- Seiichi Yamamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Nonvolatile semiconductor storage device
- Patent number 10,381,082
- Issue date Aug 13, 2019
- Rohm Co., Ltd.
- Tsuyoshi Okamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and semiconductor integrated circuit using the...
- Patent number 10,026,738
- Issue date Jul 17, 2018
- Rohm Co., Ltd.
- Seiichi Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Rotation control apparatus and method, and electronic device wherei...
- Patent number 7,863,844
- Issue date Jan 4, 2011
- Rohm Co., Ltd.
- Norihiro Maeda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Load driving device and electrical device using the same
- Patent number 7,839,610
- Issue date Nov 23, 2010
- Rohm Co., Ltd.
- Seiichi Yamamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Disk device
- Patent number 7,660,210
- Issue date Feb 9, 2010
- Rohm Co., Ltd.
- Seiichi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Electronic apparatus
- Patent number 7,312,967
- Issue date Dec 25, 2007
- Rohm Co., Ltd.
- Kenichi Niiyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Disk device
- Patent number 7,289,396
- Issue date Oct 30, 2007
- Rohm Co., Ltd.
- Seiichi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor integrated circuit device
- Patent number 7,173,476
- Issue date Feb 6, 2007
- Rohm Co., Ltd.
- Seiichi Yamamoto
- G05 - CONTROLLING REGULATING
Information Patent Grant
Limiting circuit and electric motor driving device using the same
- Patent number 7,053,572
- Issue date May 30, 2006
- Rohm Co., Ltd.
- Seiichi Yamamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power element protection circuit and semiconductor device incorpora...
- Patent number 6,980,044
- Issue date Dec 27, 2005
- Rohm Co., Ltd.
- Seiichi Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Motor driver
- Patent number 6,933,690
- Issue date Aug 23, 2005
- Rohm Co., Ltd.
- Seiichi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Inductive load driving circuit
- Patent number 6,690,212
- Issue date Feb 10, 2004
- Rohm Co., Ltd.
- Seiichi Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Inductive load driving circuit
- Patent number 6,441,654
- Issue date Aug 27, 2002
- Rohm Co., Ltd.
- Seiichi Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power MOS transistor
- Patent number 6,437,402
- Issue date Aug 20, 2002
- Rohm Co., Ltd.
- Seiichi Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power transistor having large electric current capacity and semicon...
- Patent number 6,303,973
- Issue date Oct 16, 2001
- Rohm Co., Ltd.
- Eiji Nakagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Motor control circuit
- Patent number 6,011,902
- Issue date Jan 4, 2000
- Rohm Co., Ltd.
- Seiichi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk drive circuit and optical disk drive device using the...
- Patent number 5,534,758
- Issue date Jul 9, 1996
- Rohm Co., Ltd.
- Seiichi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Radiation detector
- Patent number 5,329,124
- Issue date Jul 12, 1994
- Shimadzu Corporation
- Seiichi Yamamoto
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
SENSE AMPLIFIER AND NONVOLATILE MEMORY DEVICE
- Publication number 20240161813
- Publication date May 16, 2024
- Rohm Co., Ltd.
- Seiichi YAMAMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
POWER SUPPLY DEVICE
- Publication number 20240072656
- Publication date Feb 29, 2024
- Rohm Co., Ltd.
- Daigo FUJIMURA
- G11 - INFORMATION STORAGE
Information Patent Application
REFERENCE VOLTAGE GENERATION CIRCUIT
- Publication number 20220413528
- Publication date Dec 29, 2022
- Rohm Co., Ltd.
- Seiichi YAMAMOTO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
NONVOLATILE SEMICONDUCTOR STORAGE DEVICE
- Publication number 20180315480
- Publication date Nov 1, 2018
- Rohm Co., Ltd.
- Tsuyoshi OKAMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR DEVICE AND SEMICONDUCTOR INTEGRATED CIRCUIT USING THE...
- Publication number 20170110455
- Publication date Apr 20, 2017
- Rohm Co., Ltd.
- Seiichi YAMAMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Load Driving Device and Electrical Device Using the Same
- Publication number 20100188247
- Publication date Jul 29, 2010
- ROHM CO., LTD.
- Seiichi Yamamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LOAD DRIVING DEVICE AND ELECTRICAL DEVICE USING THE SAME
- Publication number 20080084241
- Publication date Apr 10, 2008
- Rohm Co., Ltd.
- Seiichi Yamamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Rotation Control Apparatus And Method, And Electronic Device Wherei...
- Publication number 20080067964
- Publication date Mar 20, 2008
- Norihiro Maeda
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Disk device
- Publication number 20080019225
- Publication date Jan 24, 2008
- ROHM CO., LTD.
- Seiichi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
LOAD DRIVING APPARATUS AND ELECTRIC APPLIANCE THEREWITH
- Publication number 20070258174
- Publication date Nov 8, 2007
- Rohm Co., Ltd.
- Seiichi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Motor driver
- Publication number 20050001569
- Publication date Jan 6, 2005
- Seiichi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Power element protection circuit and semiconductor device incorpora...
- Publication number 20040246043
- Publication date Dec 9, 2004
- Seiichi Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Semiconductor integrated circuit device
- Publication number 20040164786
- Publication date Aug 26, 2004
- ROHM CO., LTD.
- Seiichi Yamamoto
- G05 - CONTROLLING REGULATING
Information Patent Application
Disk device
- Publication number 20040165488
- Publication date Aug 26, 2004
- ROHM CO., LTD.
- Seiichi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Limiting circuit and electric motor driving device using the same
- Publication number 20040155618
- Publication date Aug 12, 2004
- Rohm Co., Ltd.
- Seiichi Yamamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Electronic apparatus
- Publication number 20040150930
- Publication date Aug 5, 2004
- ROHM CO., LTD.
- Kenichi Niiyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Inductive load driving circuit
- Publication number 20020163366
- Publication date Nov 7, 2002
- ROHM CO., LTD.
- Seiichi Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS

Seiichi Yamamoto

Person

Patents Grantslast 30 patents

Reference voltage generation circuit

Nonvolatile semiconductor storage device

Semiconductor device and semiconductor integrated circuit using the...

Rotation control apparatus and method, and electronic device wherei...

Load driving device and electrical device using the same

Disk device

Electronic apparatus

Disk device

Semiconductor integrated circuit device

Limiting circuit and electric motor driving device using the same

Power element protection circuit and semiconductor device incorpora...

Motor driver

Inductive load driving circuit

Inductive load driving circuit

Power MOS transistor

Power transistor having large electric current capacity and semicon...

Motor control circuit

Optical disk drive circuit and optical disk drive device using the...

Radiation detector

Patents Applicationslast 30 patents

SENSE AMPLIFIER AND NONVOLATILE MEMORY DEVICE

POWER SUPPLY DEVICE

REFERENCE VOLTAGE GENERATION CIRCUIT

NONVOLATILE SEMICONDUCTOR STORAGE DEVICE

SEMICONDUCTOR DEVICE AND SEMICONDUCTOR INTEGRATED CIRCUIT USING THE...

Load Driving Device and Electrical Device Using the Same

LOAD DRIVING DEVICE AND ELECTRICAL DEVICE USING THE SAME

Rotation Control Apparatus And Method, And Electronic Device Wherei...

Disk device

LOAD DRIVING APPARATUS AND ELECTRIC APPLIANCE THEREWITH

Motor driver

Power element protection circuit and semiconductor device incorpora...

Semiconductor integrated circuit device

Disk device

Limiting circuit and electric motor driving device using the same

Electronic apparatus

Inductive load driving circuit