Masami Kawaguchi

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Hadano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of finishing a printed wiring board with a soft etching solu...
- Patent number 5,802,714
- Issue date Sep 8, 1998
- Hitachi, Ltd.
- Shiro Kobayashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Printed circuit board and method and apparatus for making same
- Patent number 5,472,563
- Issue date Dec 5, 1995
- Hitachi, Ltd.
- Kiyonori Kogawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hot press
- Patent number 5,182,121
- Issue date Jan 26, 1993
- Hitachi, Ltd.
- Akimi Miyashita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL