Hiroyasu Okutsu

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Zama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic display device
- Patent number 5,186,631
- Issue date Feb 16, 1993
- Kabushiki Kaisha Pilot
- Hiroyasu Okutsu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Duplication printer
- Patent number 4,346,657
- Issue date Aug 31, 1982
- Pilot Man-Nen-Hitsu Kabushiki Kaisha
- Hiroyasu Okutsu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Wall-hanging type magnetic displaying device
- Patent number 4,288,936
- Issue date Sep 15, 1981
- Pilot Man-Nen-Hitsu Kabushiki Kaisha
- Hiroyasu Okutsu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES