Masao Nishigai

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Ayase, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of spot-facing printed circuit board
- Patent number 5,115,561
- Issue date May 26, 1992
- Hitachi Seiko, Ltd.
- Masahiro Kawamura
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Spot facing method and apparatus for printed circuit board
- Patent number 5,094,574
- Issue date Mar 10, 1992
- Hitachi Seiko Ltd.
- Masao Nishigai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Contour machining method and apparatus for printed circuit board
- Patent number 5,011,345
- Issue date Apr 30, 1991
- Hitachi Seiko Co., Ltd.
- Masao Nishigai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Work holding device for cutting printed boards
- Patent number 4,966,508
- Issue date Oct 30, 1990
- Hitachi Seiko, Ltd.
- Tamio Otani
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR