Hiroshi Arai

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Sagamihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum suction holding apparatus and holding method, polishing appa...
- Patent number 7,175,504
- Issue date Feb 13, 2007
- Nikon Corporation
- Shigeto Izumi
- B24 - GRINDING POLISHING
Information Patent Grant
Process for producing a clad plate
- Patent number 4,936,504
- Issue date Jun 26, 1990
- Nippon Metal Industry Co., Ltd.
- Hiroshi Arai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Manufacturing apparatus for sheet metal according to continuous cas...
- Patent number 4,771,819
- Issue date Sep 20, 1988
- Nippon Metal Industry Co., Ltd.
- Naoto Toyama
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Vacuum suction holding apparatus and holding method, polishing appa...
- Publication number 20060052037
- Publication date Mar 9, 2006
- NIKON CORPORATION
- Shigeto Izumi
- B24 - GRINDING POLISHING
Information Patent Application
Wafer polishing control system for chemical mechanical planarizatio...
- Publication number 20050221736
- Publication date Oct 6, 2005
- Nikon Corporation
- Yi-Ping Hsin
- B24 - GRINDING POLISHING