Yoshihisa Hama

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Otsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for thermally fixing the formed thermoplastic products
- Patent number 4,666,394
- Issue date May 19, 1987
- Mitsubishi Jukogyo Kabushiki Kaisha
- Sukeyoshi Wakamiya
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Blow-molded multi-ply vessel
- Patent number 4,535,901
- Issue date Aug 20, 1985
- Toyo Boseki Kabushiki Kaisha
- Tadashi Okudaira
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multi-ply vessel and method for production thereof
- Patent number 4,398,642
- Issue date Aug 16, 1983
- Toyo Boseki Kabushiki Kaisha
- Tadashi Okudaira
- B32 - LAYERED PRODUCTS
Information Patent Grant
Process for producing a hollow vessel having a frosted glass-like s...
- Patent number 4,358,491
- Issue date Nov 9, 1982
- Toyo Boseki Kabushiki Kaisha
- Akiho Ota
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL