Tomio Oyachi

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Akikawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Porous ceramic structure and method of filtering aluminum
- Patent number 4,765,833
- Issue date Aug 23, 1988
- Bridgestone Corporation
- Tsuneaki Narumiya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Wave absorber and method for making same
- Patent number 4,752,525
- Issue date Jun 21, 1988
- Bridgestone Corporation
- Tomio Oyachi
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method for treating golf ball surface with glow discharge plasma an...
- Patent number 4,613,403
- Issue date Sep 23, 1986
- Bridgestone Corp.
- Tomio Oyachi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Radio wave shielding materials and a method of producing the same
- Patent number 4,576,859
- Issue date Mar 18, 1986
- Bridgestone Corporation
- Tomio Oyachi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR