Toshiyasu Sugiuchi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Joint structure of tubular member and annular part
- Patent number 4,620,454
- Issue date Nov 4, 1986
- Riken Corporation
- Toshiyasu Sugiuchi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of joining tubular member and annular parts
- Patent number 4,575,913
- Issue date Mar 18, 1986
- Riken Corporation
- Toshiyasu Sugiuchi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for producing insert for diesel engine combustion chamber
- Patent number 4,300,381
- Issue date Nov 17, 1981
- Riken Corporation
- Toshiyasu Sugiuchi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR