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Inventor: Sato; Hirofumi
Address: Gifu, JP
No. of patents: 8
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| D601184 |
Photosensitive drum unit |
September 29, 2009 |
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| D601183 |
Toner cartridge |
September 29, 2009 |
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| D595343 |
Toner cartridge |
June 30, 2009 |
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| 6812421 |
Key switch device, keyboard with the key switch device, and electronic device with the keyboard |
November 2, 2004 |
| A key switch device, wherein the second cam part (24B) of a second link member (4) is supported on a cantilever member (32) extended from the second link member (4) in the form of a cantilever and the cantilever member (32) is energized by a torsion spring (33) in the direction to al |
| 6586695 |
Electronic apparatus including keyboard with key switch device |
July 1, 2003 |
| In a key switch device, an outer wall of an engagement member of a key top is interposed between a pinch shaft and an upper shaft of a first link member, while an outer wall of an engagement member of the key top is interposed between a pinch shaft and an upper shaft of a second link |
| 6455794 |
Key switch device, keyboard with the key switch device, and electronic apparatus with the keyboa |
September 24, 2002 |
| In a key switch device, a gear portion 31 of a first link member 12 is provided with an upper tooth portion 45 and a lower tooth portion 43 disposed in adjacent relation in a width direction of the first link member 12 and in upper-and-lower relation in a thickness direction of the s |
| 6371671 |
Key switch device, keyboard with the key switch device, and electronic apparatus with the keyboa |
April 16, 2002 |
| A key switch is configured such that each of a first cam portion 24 of a first link member 3 and a second cam portion 35 of a second link member 4 is provided with first and second cam surfaces 25, 26 and a cam apex 27. Plate springs 20, 31 are integrally provided in the first and second |
| 6072134 |
Key switch device |
June 6, 2000 |
| A thin key switch device engagement portions formed in a base plate at a reduced processing quantity as compared with a conventional key switch device by effectively utilizing the thickness of the base plate. The key switch device increases the keystroke quantity while reducing the heigh |
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