Haruhisa Sakamoto

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of modifying conductive lines of an electronic circuit board...
- Patent number 5,832,595
- Issue date Nov 10, 1998
- Hitachi, Ltd.
- Shigenobu Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing thin-film substrate
- Patent number 5,763,123
- Issue date Jun 9, 1998
- Hitachi, Ltd.
- Chie Shishido
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser machining apparatus and method of the same
- Patent number 5,229,569
- Issue date Jul 20, 1993
- Hitachi, Ltd.
- Tateoki Miyauchi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR