Kota Hara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing a lubricant for a magnetic disk, lubricant for...
- Patent number 7,531,485
- Issue date May 12, 2009
- Hoya Corporation
- Kota Hara
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording disk and process for manufacture thereof
- Patent number 7,277,254
- Issue date Oct 2, 2007
- Hoya Corporation
- Koichi Shimokawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording disk and process for manufacture thereof
- Patent number 7,252,897
- Issue date Aug 7, 2007
- Hoya Corporation
- Koichi Shimokawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Method of producing a lubricant for a magnetic disk, lubricant for...
- Publication number 20060068229
- Publication date Mar 30, 2006
- Hoya Corporation
- Kota Hara
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Magnetic recording disk and process for manufacture thereof
- Publication number 20050170136
- Publication date Aug 4, 2005
- HOYA CORPORATION
- Koichi Shimokawa
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording disk and process for manufacture thereof
- Publication number 20040072034
- Publication date Apr 15, 2004
- Koichi Shimokawa
- G11 - INFORMATION STORAGE