Katsuyoshi Kojima

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Shibata-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polishing head and polishing apparatus
- Patent number 6,976,908
- Issue date Dec 20, 2005
- Kabushiki Kaisha Toshiba
- Takayuki Masunaga
- B24 - GRINDING POLISHING
Information Patent Grant
Viscoelasticity measuring device
- Patent number 6,668,662
- Issue date Dec 30, 2003
- Toshiba Ceramics Co., Ltd.
- Hiromichi Isogai
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Polishing head and polishing apparatus
- Publication number 20050124269
- Publication date Jun 9, 2005
- Takayuki Masunaga
- B24 - GRINDING POLISHING
Information Patent Application
Viscoelasticity measuring device
- Publication number 20020178795
- Publication date Dec 5, 2002
- TOSHIBA CERAMICS CO., LTD.
- Hiromichi Isogai
- G01 - MEASURING TESTING