Jin-Joo Matsui

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Hyogo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Device for producing ceramic sintered body
- Patent number 5,879,078
- Issue date Mar 9, 1999
- Sumitomo Electric Industries, Ltd.
- Yasushi Tsuzuki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Silicon nitride sintered body
- Patent number 5,424,256
- Issue date Jun 13, 1995
- Sumitomo Electric Industries, Ltd.
- Masashi Yoshimura
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Silicon nitride composite sintered body and process for producing t...
- Patent number 5,384,292
- Issue date Jan 24, 1995
- Sumitomo Electric Industries, Ltd.
- Jin-Joo Matsui
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Silicon nitride sintered body and process for producing the same
- Patent number 5,369,065
- Issue date Nov 29, 1994
- Sumitomo Electric Industries, Ltd.
- Masashi Yoshimura
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Silicon nitride composite sintered body and process for producing same
- Patent number 5,352,641
- Issue date Oct 4, 1994
- Sumitomo Electric Industries, Ltd.
- Jin-Joo Matsui
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES