Kiyoyuki Arai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Device for driving dot printing bars in a dot printer
- Patent number 4,264,219
- Issue date Apr 28, 1981
- Copal Company Limited
- Kiyoyuki Arai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Device for driving dot printing bars in a dot printer
- Patent number 4,260,268
- Issue date Apr 7, 1981
- Copal Company Limited
- Kiyoyuki Arai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS