Shinji Shirai

Follow

Person

Nagano, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method to refine lubricant for a magnetic recording medium
- Patent number 7,199,087
- Issue date Apr 3, 2007
- Fuji Electric Device Technology Co., Ltd.
- Yoshihito Osawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of refining a lubricant for use on a magnetic recording medium
- Patent number 6,911,420
- Issue date Jun 28, 2005
- Fuji Electric Co., Ltd.
- Yoshihito Osawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Magnetic recording medium and method for manufacturing the same
- Patent number 6,730,403
- Issue date May 4, 2004
- Fuji Electric Co., Ltd.
- Shinji Shirai
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and method for manufacturing same
- Patent number 6,645,634
- Issue date Nov 11, 2003
- Fuji Electric Co., Ltd.
- Shinji Shirai
- G11 - INFORMATION STORAGE
Information Patent Grant
Liquid lubricant, magnetic recording medium using the same, and met...
- Patent number 6,096,694
- Issue date Aug 1, 2000
- Fuji Electric Co., Ltd.
- Youichi Tei
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Magnetic recording medium and method for manufacturing the same
- Patent number 6,001,479
- Issue date Dec 14, 1999
- Fuji Electric Co., Ltd.
- Teruhisa Yokosawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Method to refine lubricant for a magnetic recording medium
- Publication number 20040092406
- Publication date May 13, 2004
- Fuji Electric Co., Ltd.
- Yoshihito Osawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method of refining a lubricant for use on a magnetic recording medium
- Publication number 20030100454
- Publication date May 29, 2003
- Fuji Electric Co., Ltd.
- Yoshihito Osawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...