Keiko Hayashi

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Scribing head, and scribing apparatus and scribing method using the...
- Patent number RE41853
- Issue date Oct 26, 2010
- Mitsuboshi Diamond Industrial Co., Ltd.
- Haruo Wakayama
- 033 - Geometrical instruments
Information Patent Grant
Scribing head, and scribing apparatus and scribing method using the...
- Patent number 6,901,670
- Issue date Jun 7, 2005
- Mitsuboshi Diamond Industrial Co., Ltd.
- Haruo Wakayama
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
Scribing head, and scrbing apparatus and scribing method using the...
- Publication number 20040154456
- Publication date Aug 12, 2004
- Haruo Wakayama
- B28 - WORKING CEMENT, CLAY, OR STONE