Hiroshi Sekido

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Nippashi, Tomisato-mura, Inba-gun, Chiba-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vehicle seat with automatic adjustment mechanisms utilizing inflata...
- Patent number 5,082,326
- Issue date Jan 21, 1992
- Okamoto Industries, Inc.
- Hiroshi Sekido
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Air cushion for chair and chair utilizing the air cushion
- Patent number 4,965,899
- Issue date Oct 30, 1990
- Okamoto Industries,Inc.
- Hiroshi Sekido
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Air support for chair and method for manufacturing chair utilizing...
- Patent number 4,920,591
- Issue date May 1, 1990
- Hiroshi Sekido
- B60 - VEHICLES IN GENERAL