OS

Osamu Shinkawa

SE Seiko Epson: 77 patents #62 of 7,774Top 1%
ZG Zexel Gmbh: 2 patents #110 of 348Top 35%
EP Epson: 1 patents #24 of 66Top 40%
Overall (All Time): #23,674 of 4,157,543Top 1%
78
Patents All Time

Issued Patents All Time

Showing 51–75 of 78 patents

Patent #TitleCo-InventorsDate
7429093 Droplet discharging device and method of detecting discharge abnormality thereof 2008-09-30
7387356 Droplet ejection apparatus and a method of detecting and judging head failure in the same Yusuke Sakagami, Koki Tajima 2008-06-17
7360855 Image processing device, image processing method, and program Toru Miyamoto, Hitoshi Yamakado, Yu Gu, Toru Takahashi 2008-04-22
7341325 Droplet ejection apparatus and method of detecting ejection failure in droplet ejection heads 2008-03-11
7328961 Droplet ejection apparatus and method of judging ejection failure in droplet ejection heads 2008-02-12
7328962 Droplet ejection apparatus Koji Higuchi, Yusuke Sakagami 2008-02-12
7328960 Droplet ejection apparatus Yusuke Sakagami 2008-02-12
7311373 Droplet ejection apparatus including recovery processing with a standby power supply Koji Higuchi, Yusuke Sakagami 2007-12-25
7300131 Droplet ejection apparatus with ejection failure detection means Yusuke Sakagami 2007-11-27
7232199 Droplet ejection apparatus and method of detecting and judging ejection failure in droplet ejection heads Yusuke Sakagami 2007-06-19
7150513 Droplet ejection apparatus and ejection failure recovery method Yusuke Sakagami 2006-12-19
7108348 Droplet ejecting apparatus and ejection abnormality detecting/determining method for a droplet ejecting head Yusuke Sakagami 2006-09-19
RE38110 Electronically controlled mechanical timepiece and control method therefor Kunio Koike 2003-05-06
6483276 Electronic device with variable chopping signal and duty ratio selection for strong braking Eisaku Shimizu, Kunio Koike, Hidenori Nakamura, Osamu Takahashi, Shigeyuki Fujimori 2002-11-19
6483270 Method and device for controlling position sensorless motor Shinichi Miyazaki, Kunio Tabata, Akihito Uetake, Akihiko Ikegami 2002-11-19
6477116 Rotation controller and rotation control method Tomio Ikegami, Kunio Koike 2002-11-05
6421261 Power supply apparatus with unidirectional units Teruhiko Fujisawa, Hiroshi Yabe, Tadao Kadowaki 2002-07-16
6421263 AC voltage detection circuit and method, charging circuit and method, chopper circuit and chopping method, chopper charging circuit and method, electronic apparatus, and timepiece 2002-07-16
6373789 Electronically controlled mechanical timepiece and method controlling the same Kunio Koike, Eisaku Shimizu, Osamu Takahashi 2002-04-16
6327164 Chopper circuit, chopper circuit control method, chopper-type charging circuit, electronic device, and timekeeping apparatus 2001-12-04
6304474 Chopper circuit, chopper circuit control method, chopper-type charging circuit, electronic device, and timekeeping apparatus 2001-10-16
6252828 Electronically controlled mechanical timepiece and control method therefor Kunio Koike 2001-06-26
6154422 Power-generating device, charging method and clocking device Teruhiko Fujisawa, Akihito Uetake 2000-11-28
6081056 Motor and method for producing the same Kunihiko Takagi, Michio Sato, Akiyoshi Ishiguro, Kunio Tabata 2000-06-27
6041021 Electronically controlled mechanical timepiece and control method therefor Kunio Koike 2000-03-21