Yoshihiro Akamatsu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tubes for integrated circuits
- Patent number 4,590,534
- Issue date May 20, 1986
- Fujimori Kogyo Co., Ltd.
- Yoshihiro Akamatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical conductive foam beads and molded electrical conductive f...
- Patent number 4,496,627
- Issue date Jan 29, 1985
- Fujimori Kogyo Co., Ltd.
- Tadashi Azuma
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES