Tetsuhiro Yamada

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wiring of actuators in a wire-dot print head
- Patent number 5,071,269
- Issue date Dec 10, 1991
- Oki Electric Industry Co., Ltd.
- Tetsuhiro Yamada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Wire dot printer head with oil absorbing member
- Patent number 5,033,884
- Issue date Jul 23, 1991
- Oki Electric Industry Co., Ltd.
- Tetsuhiro Yamada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of fabricating a biasing plate spring for a wire-dot print head
- Patent number 4,979,277
- Issue date Dec 25, 1990
- Oki Electric Industry Co., Ltd.
- Tetsuhiro Yamada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Wire-type printing head
- Patent number 4,913,569
- Issue date Apr 3, 1990
- Oki Electric Industry Co., Ltd.
- Tatsuya Koyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Wire-type printing head
- Patent number 4,820,065
- Issue date Apr 11, 1989
- Oki Electric Industry Co., Ltd.
- Tatsuya Koyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS