Masafumi Okumura

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Yamatokoriyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Paper-punching device for use in a image-forming apparatus
- Patent number 6,014,920
- Issue date Jan 18, 2000
- Sharp Kabushiki Kaisha
- Yasuji Yamauchi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Paper-punching device for use in an image-forming apparatus
- Patent number 5,839,336
- Issue date Nov 24, 1998
- Sharp Kabushiki Kaisha
- Yasuji Yamauchi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Recirculating automatic document feeder
- Patent number 5,016,061
- Issue date May 14, 1991
- Sharp Kabushiki Kaisha
- Osamu Tashiro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lens repositioning device in a copier
- Patent number 4,901,107
- Issue date Feb 13, 1990
- Sharp Kabushiki Kaisha
- Ken Iwamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Document scanning device
- Patent number 4,779,121
- Issue date Oct 18, 1988
- Sharp Kabushiki Kaisha
- Masafumi Okumura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY