Fumiya Ohmi

Person

Kawasaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical recording material, optical recording medium, and recording...
- Patent number 8,431,207
- Issue date Apr 30, 2013
- Ricoh Company, Ltd.
- Tohru Yashiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Formatting of phase-change optical disc for improved signal charact...
- Patent number 7,512,052
- Issue date Mar 31, 2009
- Ricoh Company, Ltd.
- Fumiya Ohmi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium, manufacturing method thereof...
- Patent number 7,488,701
- Issue date Feb 10, 2009
- Ricoh Company, Ltd.
- Satoshi Mizukami
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for initializing optical recording media
- Patent number 7,447,138
- Issue date Nov 4, 2008
- Ricoh Company, Ltd.
- Kyohji Hattori
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for formatting optical information recording medium, at reco...
- Patent number 7,327,649
- Issue date Feb 5, 2008
- Ricoh Company, Ltd.
- Fumiya Ohmi
- G11 - INFORMATION STORAGE
Information Patent Grant
Initialization of phase-change optical recording medium
- Patent number RE39901
- Issue date Oct 30, 2007
- Ricoh Company, Ltd.
- Kyohji Hattori
- 369 - Dynamic information storage or retrieval
Information Patent Grant
Method and apparatus for initializing optical recording media
- Patent number 6,990,053
- Issue date Jan 24, 2006
- Ricoh Company, Ltd.
- Kyohji Hattori
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for initializing optical recording media
- Patent number 6,775,213
- Issue date Aug 10, 2004
- Ricoh Company, Ltd.
- Kyohji Hattori
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for initializing optical recording media
- Patent number 6,760,291
- Issue date Jul 6, 2004
- Ricoh Company, Ltd.
- Kyohji Hattori
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for initializing optical recording media
- Patent number 6,580,672
- Issue date Jun 17, 2003
- Ricoh Company, Ltd.
- Kyohji Hattori
- G11 - INFORMATION STORAGE
Information Patent Grant
Initialization of phase-change optical recording medium
- Patent number 6,445,669
- Issue date Sep 3, 2002
- Ricoh Company, Ltd.
- Kyohji Hattori
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for initializing optical recording media
- Patent number 6,373,802
- Issue date Apr 16, 2002
- Ricoh Company, Ltd.
- Kyohji Hattori
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method for formatting an optical disk with format dat...
- Patent number 6,314,072
- Issue date Nov 6, 2001
- Ricoh Company, Ltd.
- Fumiya Ohmi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and recording and reproducing method using...
- Patent number 5,974,025
- Issue date Oct 26, 1999
- Ricoh Company, Ltd.
- Katsuyuki Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording material
- Patent number 4,797,331
- Issue date Jan 10, 1989
- Ricoh Company, Ltd.
- Atsuyuki Watada
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL RECORDING MATERIAL, OPTICAL RECORDING MEDIUM, AND RECORDING...
- Publication number 20100118680
- Publication date May 13, 2010
- Ricoh Company Ltd.
- Tohru Yashiro
- G11 - INFORMATION STORAGE
Information Patent Application
Optical information recording medium, manufacturing method thereof...
- Publication number 20060120265
- Publication date Jun 8, 2006
- Satoshi Mizukami
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for initializing optical
- Publication number 20060067183
- Publication date Mar 30, 2006
- Kyohji Hattori
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for initializing optical recording media
- Publication number 20040190394
- Publication date Sep 30, 2004
- Kyohji Hattori
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for initializing optical recording media
- Publication number 20030152002
- Publication date Aug 14, 2003
- Kyohji Hattori
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for initializing optical recording media
- Publication number 20030152003
- Publication date Aug 14, 2003
- Kyohji Hattori
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for initializing optical recording media
- Publication number 20020093897
- Publication date Jul 18, 2002
- Kyohji Hattori
- G11 - INFORMATION STORAGE

Fumiya Ohmi

Person

Patents Grantslast 30 patents

Optical recording material, optical recording medium, and recording...

Formatting of phase-change optical disc for improved signal charact...

Optical information recording medium, manufacturing method thereof...

Method and apparatus for initializing optical recording media

Method for formatting optical information recording medium, at reco...

Initialization of phase-change optical recording medium

Method and apparatus for initializing optical recording media

Method and apparatus for initializing optical recording media

Method and apparatus for initializing optical recording media

Method and apparatus for initializing optical recording media

Initialization of phase-change optical recording medium

Method and apparatus for initializing optical recording media

Apparatus and method for formatting an optical disk with format dat...

Optical recording medium and recording and reproducing method using...

Magneto-optical recording material

Patents Applicationslast 30 patents

OPTICAL RECORDING MATERIAL, OPTICAL RECORDING MEDIUM, AND RECORDING...

Optical information recording medium, manufacturing method thereof...

Method and apparatus for initializing optical

Method and apparatus for initializing optical recording media

Method and apparatus for initializing optical recording media

Method and apparatus for initializing optical recording media

Method and apparatus for initializing optical recording media