Akira Oyamada

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Patents Grantslast 30 patents

Information Patent Grant
Swirl chamber for diesel engines and the like
- Patent number 4,875,444
- Issue date Oct 24, 1989
- Nissan Motor Co., Ltd.
- Hirofumi Tsuchida
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method of preparing resin coated foundry sand using unsaturated pol...
- Patent number 4,396,571
- Issue date Aug 2, 1983
- Nissan Motor Company, Ltd.
- Akira Oyamada
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of producing large-sized ceramic honeycomb structure body by...
- Patent number 4,353,854
- Issue date Oct 12, 1982
- Nissan Motor Company
- Akira Oyamada
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
High temperature abrasion-resistant material and method of producin...
- Patent number 4,107,392
- Issue date Aug 15, 1978
- Nissan Motor Company, Limited
- Hiroyuki Aoki
- B22 - CASTING POWDER METALLURGY