MASAHIRO KOHKETSU

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SAITAMA, JP

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Patents Grantslast 30 patents

Information Patent Grant
Surgical instruments
- Patent number 7,637,912
- Issue date Dec 29, 2009
- Hoya Corporation
- Yoshinobu Iwasaki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ceramic composite and manufacturing method thereof
- Patent number 6,776,860
- Issue date Aug 17, 2004
- PENTAX Corporation
- Kaoru Arai
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Surgical instruments
- Publication number 20070112354
- Publication date May 17, 2007
- PENTAX CORPORATION
- Yoshinobu Iwasaki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CERAMIC COMPOSITE AND MANUFACTURING METHOD THEREOF
- Publication number 20020104602
- Publication date Aug 8, 2002
- KAORU ARAI
- B82 - NANO-TECHNOLOGY