Yasuhiro Okamura

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Chiba-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Resin-coated metal plate for use in perforating printed-wiring board
- Patent number 7,914,898
- Issue date Mar 29, 2011
- Kabushiki Kaisha Kobe Seiko Sho.
- Eiichiro Yoshikawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Metal plate coated with lubricating resin and drilling processing m...
- Patent number 6,794,022
- Issue date Sep 21, 2004
- Kabushiki Kaisha Kobe Seiko Sho
- Naoya Fujiwara
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Resin-coated metal plate for use in perforating printed-wiring board
- Publication number 20050145123
- Publication date Jul 7, 2005
- Kabushiki Kaisha Kobe Seiko Sho.
- Eiichiro Yoshikawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Metal plate coated with lubricating resin and drilling processing m...
- Publication number 20020037400
- Publication date Mar 28, 2002
- Kabushiki Kaisha Kobe Seiko Sho
- Naoya Fujiwara
- B32 - LAYERED PRODUCTS