Tetsuzi Hayasaki

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Kokubu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Member for supporting magnetic disc substrates, process of producin...
- Patent number 7,584,631
- Issue date Sep 8, 2009
- Kyocera Corporation
- Masahiro Okumura
- G11 - INFORMATION STORAGE
Information Patent Grant
Member for supporting magnetic disc substrates, process of producin...
- Patent number 7,179,550
- Issue date Feb 20, 2007
- Kyocera Corporation
- Masahiro Okumura
- G11 - INFORMATION STORAGE
Information Patent Grant
Ceramic material resistant to halogen plasma and member utilizing t...
- Patent number 6,916,559
- Issue date Jul 12, 2005
- Kyocera Corporation
- Shunichi Murakawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Ceramic materials resistant to halogen plasma and components using...
- Patent number 6,447,937
- Issue date Sep 10, 2002
- Kyocera Corporation
- Shunichi Murakawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Member for Supporting Magnetic Disc Substrates, Process of Producin...
- Publication number 20070111041
- Publication date May 17, 2007
- Kyocera Corporation
- Masahiro Okumura
- G11 - INFORMATION STORAGE
Information Patent Application
Member for supporting magnetic disc substrates, process of producin...
- Publication number 20030223280
- Publication date Dec 4, 2003
- KYOCERA CORPORATION
- Masahiro Okumura
- G11 - INFORMATION STORAGE
Information Patent Application
Ceramic material resistant to halogen plasma and member utilizing t...
- Publication number 20030049499
- Publication date Mar 13, 2003
- KYOCERA CORPORATION
- Shunichi Murakawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES