Yasuyoshi Kurokawa

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Maebashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic typewriter ribbon lift-up apparatus
- Patent number 4,840,505
- Issue date Jun 20, 1989
- Sharp Kabushiki Kaisha
- Yasuyoshi Kurokawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Means for determining difference in copy sheet transportation state...
- Patent number 4,166,615
- Issue date Sep 4, 1979
- Sharp Kabushiki Kaisha
- Hiroshi Noguchi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL