Yoshinari Nagano

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Ibaraki-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Laser processing apparatus, laser processing method and dam bar pro...
- Patent number 5,763,853
- Issue date Jun 9, 1998
- Hitachi Construction Machinery Co., Ltd.
- Yoshiaki Shimomura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Dam bar cutting apparatus and dam bar cutting method
- Patent number 5,662,822
- Issue date Sep 2, 1997
- Hitachi Construction Machinery Co., Ltd.
- Nobuhiko Tada
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lead frame fabricating method and lead frame fabricating apparatus
- Patent number 5,632,083
- Issue date May 27, 1997
- Hitachi Construction Machinery Co., Ltd.
- Nobuhiko Tada
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Metal plate processing method, lead frame processing method, lead f...
- Patent number 5,580,466
- Issue date Dec 3, 1996
- Hitachi Construction Machinery Co., Ltd.
- Nobuhiko Tada
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lead frame processing method
- Patent number 5,548,890
- Issue date Aug 27, 1996
- Hitachi Construction Machinery Co., Ltd.
- Nobuhiko Tada
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR