Yukio Ishikawa

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Yamato, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hammer lock releasing mechanism for a printing device
- Patent number 4,483,249
- Issue date Nov 20, 1984
- Mitsumi Electric Co., Ltd.
- Takayuki Iwao
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Hammer lock releasing mechanism for a printing device
- Patent number 4,326,459
- Issue date Apr 27, 1982
- Mitsumi Electric Co., Ltd.
- Takayuki Iwao
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS