Masato Kokubu

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording medium, production process thereof, magnetic rec...
- Patent number 6,844,046
- Issue date Jan 18, 2005
- Showa Denko Kabushiki Kaisha
- Akira Sakawaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, production process thereof, and magnetic...
- Patent number 6,818,331
- Issue date Nov 16, 2004
- Showa Denko Kabushiki Kaisha
- Akira Sakawaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, process and apparatus for producing the...
- Patent number 6,686,072
- Issue date Feb 3, 2004
- Showa Denko Kabushiki Kaisha
- Akira Sakawaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Process of producing a magnetic recording medium
- Patent number 6,582,758
- Issue date Jun 24, 2003
- Showa Denko Kabushiki Kaisha
- Akira Sakawaki
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magnetic recording medium, production process thereof, and magnetic...
- Publication number 20050037140
- Publication date Feb 17, 2005
- Showa Denko K.K.
- Akira Sakawaki
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM, PRODUCTION PROCESS THEREOF, MAGNETIC REC...
- Publication number 20040230049
- Publication date Nov 18, 2004
- Showa Denko K.K.
- Akira Sakawaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium, production process thereof, magnetic rec...
- Publication number 20030199680
- Publication date Oct 23, 2003
- Showa Denko K.K.
- Akira Sakawaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium, production process thereof, and magnetic...
- Publication number 20030082407
- Publication date May 1, 2003
- Showa Denko K.K.
- Akira Sakawaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium, process and apparatus for producing the...
- Publication number 20020048695
- Publication date Apr 25, 2002
- SHOW A DENKO K.K.
- Akira Sakawaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium, production process thereof, magnetic rec...
- Publication number 20010031383
- Publication date Oct 18, 2001
- Akira Sakawaki
- G11 - INFORMATION STORAGE