Koji Okuhata

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Substrate for information recording media and manufacturing method...
- Patent number 7,736,770
- Issue date Jun 15, 2010
- Nippon Sheet Glass Co., Ltd.
- Masamichi Kesuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Substrate for information recording media and manufacturing method...
- Patent number 7,604,882
- Issue date Oct 20, 2009
- Nippon Sheet Glass Co., Ltd.
- Masamichi Kezuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Glass substrate for magnetic recording medium and method for manufa...
- Patent number 7,470,476
- Issue date Dec 30, 2008
- Hoya Corporation
- Norimasa Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing glass substrate of information recording m...
- Patent number 7,140,203
- Issue date Nov 28, 2006
- Hoya Corporation
- Yasuhiro Saito
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Substrate for information recording media and manufacturing method...
- Patent number 7,065,984
- Issue date Jun 27, 2006
- Nippon Sheet Glass Co., Ltd.
- Masamichi Kezuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing glass substrate of information recording m...
- Patent number 6,782,717
- Issue date Aug 31, 2004
- Hoya Corporation
- Yasuhiro Saito
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of polishing glass substrate for information recording media...
- Patent number 6,749,487
- Issue date Jun 15, 2004
- Hoya Corporation
- Koji Okuhata
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
SUBSTRATE FOR INFORMATION RECORDING MEDIA AND MANUFACTURING METHOD...
- Publication number 20090286454
- Publication date Nov 19, 2009
- NIPPON SHEET GLASS CO., LTD.
- Masamichi Kezuka
- G11 - INFORMATION STORAGE
Information Patent Application
Substrate for information recording media and manufacturing method...
- Publication number 20060199045
- Publication date Sep 7, 2006
- NIPPON SHEET GLASS CO., LTD.
- Masamichi Kezuka
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium glass substrate and method of producing t...
- Publication number 20060194080
- Publication date Aug 31, 2006
- Norimasa Ishii
- G11 - INFORMATION STORAGE
Information Patent Application
Substrate for information recording media and manufacturing method...
- Publication number 20060188756
- Publication date Aug 24, 2006
- NIPPON SHEET GLASS CO., LTD.
- Masamichi Kezuka
- G11 - INFORMATION STORAGE
Information Patent Application
Clamping jig for glass substrate, buffer sheet, method for processi...
- Publication number 20050101230
- Publication date May 12, 2005
- HOYA CORPORATION
- Takamasa Yoshikawa
- B24 - GRINDING POLISHING
Information Patent Application
Method for manufacturing glass substrate of information recording m...
- Publication number 20030170417
- Publication date Sep 11, 2003
- Yasuhiro Saito
- G11 - INFORMATION STORAGE
Information Patent Application
Method for manufacturing glass substrate of information recording m...
- Publication number 20030164005
- Publication date Sep 4, 2003
- Yasuhiro Saito
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Method of polishing glass substrate for information recording media...
- Publication number 20030162482
- Publication date Aug 28, 2003
- NIPPON SHEET GLASS CO., LTD.
- Koji Okuhata
- B24 - GRINDING POLISHING
Information Patent Application
Substrate for information recording media and manufacturing method...
- Publication number 20030121285
- Publication date Jul 3, 2003
- NIPPON SHEET GLASS CO., LTD.
- Masamichi Kesuka
- G11 - INFORMATION STORAGE
Information Patent Application
Method of manufacturing glass substrate for magnetic disks, and gla...
- Publication number 20030110803
- Publication date Jun 19, 2003
- NIPPON SHEET GLASS CO., LTD.
- Yasuhiro Saito
- B24 - GRINDING POLISHING
Information Patent Application
Clamping jig for glass substrate, buffer sheet, method for processi...
- Publication number 20030082999
- Publication date May 1, 2003
- Nippon Sheet Glass Co., Ltd.
- Takamasa Yoshikawa
- B24 - GRINDING POLISHING

Koji Okuhata

Person

Patents Grantslast 30 patents

Substrate for information recording media and manufacturing method...

Substrate for information recording media and manufacturing method...

Glass substrate for magnetic recording medium and method for manufa...

Method for manufacturing glass substrate of information recording m...

Substrate for information recording media and manufacturing method...

Method for manufacturing glass substrate of information recording m...

Method of polishing glass substrate for information recording media...

Patents Applicationslast 30 patents

SUBSTRATE FOR INFORMATION RECORDING MEDIA AND MANUFACTURING METHOD...

Substrate for information recording media and manufacturing method...

Magnetic recording medium glass substrate and method of producing t...

Substrate for information recording media and manufacturing method...

Clamping jig for glass substrate, buffer sheet, method for processi...

Method for manufacturing glass substrate of information recording m...

Method for manufacturing glass substrate of information recording m...

Method of polishing glass substrate for information recording media...

Substrate for information recording media and manufacturing method...

Method of manufacturing glass substrate for magnetic disks, and gla...

Clamping jig for glass substrate, buffer sheet, method for processi...