Shinji Oshima

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Patents Grantslast 30 patents

Information Patent Grant
Core structure for producing closed end sleeve
- Patent number 5,120,210
- Issue date Jun 9, 1992
- NGK Insulators, Ltd.
- Shinji Oshima
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Process for producing one end-sealed ceramic double wall-structural...
- Patent number 5,043,116
- Issue date Aug 27, 1991
- NGK Insulators, Ltd.
- Shinji Oshima
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Closed end sleeve producing method and core structure used in the m...
- Patent number 5,009,832
- Issue date Apr 23, 1991
- NGK Insulators, Ltd.
- Shinji Oshima
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
One end-sealed ceramic double wall-structural tubes
- Patent number 4,965,107
- Issue date Oct 23, 1990
- NGK Insulators, Ltd.
- Shinji Oshima
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Sealing of end faces of ceramic tubes
- Patent number 4,923,655
- Issue date May 8, 1990
- NGK Insulators, Ltd.
- Shinji Oshima
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method of drying ceramic cylindrical bodies
- Patent number 4,857,245
- Issue date Aug 15, 1989
- NGK Insulators, Ltd.
- Shinji Oshima
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Process for extrusion-molding ceramic bodies
- Patent number 4,810,458
- Issue date Mar 7, 1989
- NGK Insulators, Ltd.
- Shinji Oshima
- B28 - WORKING CEMENT, CLAY, OR STONE