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Hirohisa Abe
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Hyogo-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor apparatus and method of controlling operation thereof
Patent number
8,754,580
Issue date
Jun 17, 2014
Ricoh Company, Ltd.
Hirohisa Abe
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Switching regulator
Patent number
8,519,689
Issue date
Aug 27, 2013
Ricoh Company, Ltd.
Kiyohito Hara
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Switching regulator and operations control method thereof
Patent number
8,174,802
Issue date
May 8, 2012
Ricoh Company, Ltd.
Hirohisa Abe
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Multi-output power supply device having charge pump circuit
Patent number
8,102,157
Issue date
Jan 24, 2012
Ricoh Company, Ltd.
Hirohisa Abe
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Memory configuration of a composite memory device
Patent number
7,969,791
Issue date
Jun 28, 2011
Ricoh Company, Ltd.
Minoru Fukuda
G11 - INFORMATION STORAGE
Information
Patent Grant
Switching regulator and semiconductor device having the same
Patent number
7,759,920
Issue date
Jul 20, 2010
Ricoh Company, Ltd.
Hirohisa Abe
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Memory configuration of a composite memory device
Patent number
7,672,172
Issue date
Mar 2, 2010
Ricoh Company, Ltd.
Minoru Fukuda
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory configuration of a composite memory device
Patent number
RE40917
Issue date
Sep 15, 2009
Ricoh Company, Ltd.
Minoru Fukuda
365 - Static information storage and retrieval
Information
Patent Grant
Memory configuration of a composite memory device
Patent number
7,483,312
Issue date
Jan 27, 2009
Ricoh Company, Ltd.
Minoru Fukuda
G11 - INFORMATION STORAGE
Information
Patent Grant
Differential amplifying method and apparatus operable with a wide r...
Patent number
7,183,852
Issue date
Feb 27, 2007
Ricoh Company, Ltd.
Hirohisa Abe
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Power supplying methods and apparatus that provide stable output vo...
Patent number
7,148,665
Issue date
Dec 12, 2006
Ricoh Company, Ltd.
Hideki Agari
G05 - CONTROLLING REGULATING
Information
Patent Grant
Memory configuration of a composite memory device
Patent number
6,545,916
Issue date
Apr 8, 2003
Ricoh Company, Ltd.
Minoru Fukuda
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory configuration of a composite memory device
Patent number
6,335,883
Issue date
Jan 1, 2002
Ricoh Company, Ltd.
Minoru Fukuda
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory configuration of a composite memory device
Patent number
6,115,292
Issue date
Sep 5, 2000
Ricoh Company, Ltd.
Minoru Fukuda
G11 - INFORMATION STORAGE
Information
Patent Grant
Electrically alterable non-volatile semiconductor memory device
Patent number
6,104,057
Issue date
Aug 15, 2000
Ricoh Company, Ltd.
Hiroaki Nakanishi
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device
Patent number
6,031,780
Issue date
Feb 29, 2000
Ricoh Company, Ltd.
Hirohisa Abe
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
SWITCHING REGULATOR
Publication number
20120049828
Publication date
Mar 1, 2012
RICOH COMPANY, LTD.
Kiyohito HARA
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
SEMICONDUCTOR APPARATUS AND METHOD OF CONTROLLING OPERATION THEREOF
Publication number
20120001551
Publication date
Jan 5, 2012
RICOH COMPANY, LTD.
Hirohisa Abe
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
MULTI-OUTPUT POWER SUPPLY DEVICE
Publication number
20100237833
Publication date
Sep 23, 2010
RICOH COMPANY LTD.
Hirohisa Abe
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MEMORY CONFIGURATION OF A COMPOSITE MEMORY DEVICE
Publication number
20100103739
Publication date
Apr 29, 2010
RICOH COMPANY, LTD.
Minoru FUKUDA
G11 - INFORMATION STORAGE
Information
Patent Application
SWITCHING REGULATOR AND OPERATIONS CONTROL METHOD THEREOF
Publication number
20090303641
Publication date
Dec 10, 2009
RICOH COMPANY, LTD.
Hirohisa Abe
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MEMORY CONFIGURATION OF A COMPOSITE MEMORY DEVICE
Publication number
20090091984
Publication date
Apr 9, 2009
RICOH COMPANY, LTD.
Minoru FUKUDA
G11 - INFORMATION STORAGE
Information
Patent Application
Power supplying methods and apparatus that provide stable output vo...
Publication number
20040174149
Publication date
Sep 9, 2004
Hideki Agari
G05 - CONTROLLING REGULATING
Information
Patent Application
Memory configuration of a composite memory device
Publication number
20030210588
Publication date
Nov 13, 2003
Minoru Fukuda
G11 - INFORMATION STORAGE
Information
Patent Application
Memory configuration of a composite memory device
Publication number
20020031013
Publication date
Mar 14, 2002
Minoru Fukuda
G11 - INFORMATION STORAGE