Toshihiko Ito

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing extrusion die for forming a honeycomb structure
- Patent number 4,640,454
- Issue date Feb 3, 1987
- Nippon Soken, Inc.
- Shinichi Yamamoto
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Extrusion die for extruding a honeycomb structure
- Patent number 4,384,841
- Issue date May 24, 1983
- Nippon Soken, Inc.
- Shinichi Yamamoto
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Extrusion die for forming a honeycomb structure
- Patent number 4,381,912
- Issue date May 3, 1983
- Nippon Soken, Inc.
- Shinichi Yamamoto
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Extrusion die and method for producing extrusion die for forming a...
- Patent number 4,373,895
- Issue date Feb 15, 1983
- Nippon Soken, Inc.
- Shinichi Yamamoto
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Extrusion die and method for producing extrusion die for forming a...
- Patent number 4,354,820
- Issue date Oct 19, 1982
- Nippon Soken, Inc.
- Shinichi Yamamoto
- B28 - WORKING CEMENT, CLAY, OR STONE