Tadashi Igarashi

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Hyogo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Carbon fiber-reinforced composite material having a gradient carbid...
- Patent number 5,254,397
- Issue date Oct 19, 1993
- Sumitomo Electric Industries, Ltd.
- Chihiro Kawai
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Ceramic substrate and preparation of the same
- Patent number 5,165,981
- Issue date Nov 24, 1992
- Sumitomo Electric Industries, Ltd.
- Akira Yamakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Solar cell of amorphous silicon
- Patent number 4,612,559
- Issue date Sep 16, 1986
- Director General of Agency of Industrial Science and Technology
- Hajime Hitotsuyanagi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Substrate for use in semiconductor apparatus
- Patent number 4,480,013
- Issue date Oct 30, 1984
- Sumitomo Electric Industries, Ltd.
- Yoshihiko Doi
- H01 - BASIC ELECTRIC ELEMENTS