Ippei Ogawa

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical recording medium and information recording method
- Patent number 8,270,271
- Issue date Sep 18, 2012
- Ricoh Company, Ltd.
- Ippei Ogawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for recording information with a multi-layer s...
- Patent number 7,403,457
- Issue date Jul 22, 2008
- Ricoh Company, Ltd.
- Ippei Ogawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Pulse shape modulation and information recording and reproducing te...
- Patent number 7,190,652
- Issue date Mar 13, 2007
- Ricoh Company, Ltd.
- Ippei Ogawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording medium
- Patent number 6,866,910
- Issue date Mar 15, 2005
- Ricoh Company, Ltd.
- Hisamitsu Kamezaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical information recording method
- Patent number 6,697,312
- Issue date Feb 24, 2004
- Ricoh Company, Ltd.
- Ippei Ogawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and method of manufacturing the optical re...
- Patent number 6,562,432
- Issue date May 13, 2003
- Ricoh Company, Ltd.
- Ippei Ogawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical information recording medium
- Patent number 6,497,935
- Issue date Dec 24, 2002
- Ricoh Company Ltd.
- Ippei Ogawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording method for a rewritable phase-change optical reco...
- Patent number 6,388,978
- Issue date May 14, 2002
- Ricoh Company, Ltd.
- Ippei Ogawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change information recording medium and optical recording met...
- Patent number 6,280,810
- Issue date Aug 28, 2001
- Ricoh Company, Ltd.
- Yuki Nakamura
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical recording medium and information recording method
- Publication number 20090154320
- Publication date Jun 18, 2009
- Ippei Ogawa
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium and information recording method
- Publication number 20070086294
- Publication date Apr 19, 2007
- Ippei Ogawa
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium and information recording method
- Publication number 20050041555
- Publication date Feb 24, 2005
- Ippei Ogawa
- G11 - INFORMATION STORAGE
Information Patent Application
Pulse shape modulation and information recording and reproducing te...
- Publication number 20040165509
- Publication date Aug 26, 2004
- Ippei Ogawa
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording medium
- Publication number 20030224136
- Publication date Dec 4, 2003
- Hisamitsu Kamezaki
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical information recording medium
- Publication number 20030072241
- Publication date Apr 17, 2003
- Ippei Ogawa
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording medium
- Publication number 20020182365
- Publication date Dec 5, 2002
- Hisamitsu Kamezaki
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium and method of manufacturing the optical re...
- Publication number 20020132081
- Publication date Sep 19, 2002
- Ippei Ogawa
- G11 - INFORMATION STORAGE

Ippei Ogawa

Person

Patents Grantslast 30 patents

Optical recording medium and information recording method

Method and apparatus for recording information with a multi-layer s...

Pulse shape modulation and information recording and reproducing te...

Information recording medium

Phase-change optical information recording method

Optical recording medium and method of manufacturing the optical re...

Phase-change optical information recording medium

Optical recording method for a rewritable phase-change optical reco...

Phase-change information recording medium and optical recording met...

Patents Applicationslast 30 patents

Optical recording medium and information recording method

Optical recording medium and information recording method

Optical recording medium and information recording method

Pulse shape modulation and information recording and reproducing te...

Information recording medium

Phase-change optical information recording medium

Information recording medium

Optical recording medium and method of manufacturing the optical re...