Hiroyuki Kihara

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Chiba-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multistage fine hole machining method and device
- Patent number 6,817,925
- Issue date Nov 16, 2004
- Seiko Instruments Inc.
- Tatsuji Saigo
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Multistage fine hole machining method and device
- Publication number 20030045209
- Publication date Mar 6, 2003
- Tatsuji Saigo
- B24 - GRINDING POLISHING