Masaya Ohtsuka

Person

Kobe-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device
- Patent number 8,975,707
- Issue date Mar 10, 2015
- Ricoh Company, Ltd.
- Masaya Ohtsuka
- G05 - CONTROLLING REGULATING
Information Patent Grant
Semiconductor device with a fuse
- Patent number 8,426,942
- Issue date Apr 23, 2013
- Ricoh Company, Ltd.
- Masashi Oshima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 8,217,491
- Issue date Jul 10, 2012
- Ricoh Company, Ltd.
- Masashi Oshima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device used in step-up DC-DC converter, and step-up D...
- Patent number 8,212,282
- Issue date Jul 3, 2012
- Ricoh Company, Ltd.
- Masaya Ohtsuka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor device
- Patent number 7,977,764
- Issue date Jul 12, 2011
- Ricoh Company, Ltd.
- Masaya Ohtsuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor resistor, method of manufacturing the same, and curre...
- Patent number 7,944,000
- Issue date May 17, 2011
- Ricoh Company, Ltd.
- Masaya Ohtsuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Source offset MOSFET optimized for current voltage characteristic i...
- Patent number 7,906,820
- Issue date Mar 15, 2011
- Ricoh Company, Ltd.
- Masaya Ohtsuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device used in step-up DC-DC converter, and step-up D...
- Patent number 7,842,967
- Issue date Nov 30, 2010
- Ricoh Company, Ltd.
- Masaya Ohtsuka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor device and method of forming semiconductor device hav...
- Patent number 6,150,698
- Issue date Nov 21, 2000
- Ricoh Company, Ltd.
- Masaya Ohtsuka
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20140002143
- Publication date Jan 2, 2014
- RICOH COMPANY, LTD.
- Masaya Ohtsuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20110079873
- Publication date Apr 7, 2011
- RICOH COMPANY, LTD.
- Masashi OSHIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20110018092
- Publication date Jan 27, 2011
- RICOH COMPANY, LTD.
- Masashi Oshima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE USED IN STEP-UP DC-DC CONVERTER, AND STEP-UP D...
- Publication number 20110012170
- Publication date Jan 20, 2011
- RICOH COMPANY, LTD.
- Masaya Ohtsuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20090121294
- Publication date May 14, 2009
- RICOH COMPANY, LTD.
- Masaya OHTSUKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20090001507
- Publication date Jan 1, 2009
- Masaya Ohtsuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor resistor, method of manufacturing the same, and curre...
- Publication number 20080030297
- Publication date Feb 7, 2008
- Masaya Ohtsuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device used in step-up DC-DC converter, and step-up D...
- Publication number 20080006875
- Publication date Jan 10, 2008
- Masaya Ohtsuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device
- Publication number 20070216514
- Publication date Sep 20, 2007
- Masaya Ohtsuka
- G11 - INFORMATION STORAGE

Masaya Ohtsuka

Person

Patents Grantslast 30 patents

Semiconductor device

Semiconductor device with a fuse

Semiconductor device

Semiconductor device used in step-up DC-DC converter, and step-up D...

Semiconductor device

Semiconductor resistor, method of manufacturing the same, and curre...

Source offset MOSFET optimized for current voltage characteristic i...

Semiconductor device used in step-up DC-DC converter, and step-up D...

Semiconductor device and method of forming semiconductor device hav...

Patents Applicationslast 30 patents

SEMICONDUCTOR DEVICE

SEMICONDUCTOR DEVICE

SEMICONDUCTOR DEVICE

SEMICONDUCTOR DEVICE USED IN STEP-UP DC-DC CONVERTER, AND STEP-UP D...

SEMICONDUCTOR DEVICE

SEMICONDUCTOR DEVICE

Semiconductor resistor, method of manufacturing the same, and curre...

Semiconductor device used in step-up DC-DC converter, and step-up D...

Semiconductor device