Tsutomu Ao

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Seat having seat surface portion made of surface-like elastic body
- Patent number 6,378,949
- Issue date Apr 30, 2002
- T.S. Tech Co., Ltd.
- Minoru Maeda
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Seat having seating face made of sheet resilient material
- Patent number 6,375,269
- Issue date Apr 23, 2002
- T.S. Tech Co., Ltd.
- Minoru Maeda
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Seat with resilient sheet-formed seat cushion
- Patent number 6,231,125
- Issue date May 15, 2001
- TS Tech Co., Ltd.
- Minoru Maeda
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Seat having seating face made of sheet resilient material
- Patent number 6,152,534
- Issue date Nov 28, 2000
- TS Tech Co., Ltd.
- Minoru Maeda
- B60 - VEHICLES IN GENERAL