MF

Mitsumi Fujii

Ricoh Company: 19 patents #1,131 of 9,818Top 15%
Overall (All Time): #240,337 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
8830287 Surface-emission laser array, optical scanning apparatus and image forming apparatus Shunichi Sato, Akihiro Itoh, Hiroyoshi Shouji, Yoshinori Hayashi, Daisuke Ichii +1 more 2014-09-09
8830551 Actuator, protective cover for actuator, actuator manufacturing method, and optical deflector incorporating actuator, and two dimensional optical scanner and image projector incorporating optical scanner Tomofumi Kitazawa, Goichi Akanuma 2014-09-09
8508567 Surface-emission laser array, optical scanning apparatus and image forming apparatus Shunichi Sato, Akihiro Itoh, Hiroyoshi Shouji, Yoshinori Hayashi, Daisuke Ichii +1 more 2013-08-13
8373916 Optical scanner and image forming apparatus Tetsurou Saitoh, Eiji Mochizuki, Kohki Sasaki 2013-02-12
8174750 Optical deflector, optical scanner, image forming apparatus, and image projector Goichi Akanuma, Tomofumi Kitazawa, Fumiko Sakoh 2012-05-08
8089498 Surface-emission laser array, optical scanning apparatus apparatus and image forming apparatus Shunichi Sato, Akihiro Itoh, Hiroyoshi Shouji, Yoshinori Hayashi, Daisuke Ichii +1 more 2012-01-03
8054327 Optical scanning device and image forming apparatus using the same Yukito Satoh 2011-11-08
7593029 Optical scanning device and image forming apparatus using the same Yukito Satoh, Tomohiro Nakajima, Yoshinori Hayashi, Eiji Mochizuki 2009-09-22
7529011 Deflector mirror with regions of different flexural rigidity 2009-05-05
7417780 Vibration mirror, optical scanning device, and image forming using the same, method for making the same, and method for scanning image Yukito Satoh, Tomohiro Nakajima 2008-08-26
7364253 Liquid drop jet head, ink cartridge and ink jet recording apparatus Kenichiro Hashimoto, Tomomi Katoh, Tsuneo Maki, Kiyoshi Yamaguchi 2008-04-29
7221493 Vibration mirror, optical scanning device, and image forming using the same, method for making the same, and method for scanning image Yukito Satoh, Tomohiro Nakajima 2007-05-22
7068296 Optical scanning device for reducing a dot position displacement at a joint of scanning lines Yoshinori Hayashi, Tomohiro Nakajima, Yukito Satoh, Eiji Mochizuki 2006-06-27
7031040 Optical scanning apparatus, optical writing apparatus, image forming apparatus, and method of driving vibration mirror Eiji Mochizuki 2006-04-18
6972883 Vibration mirror, optical scanning device, and image forming using the same, method for making the same, and method for scanning image Yukito Satoh, Tomohiro Nakajima 2005-12-06
6913348 Liquid drop jet head, ink cartridge and ink jet recording apparatus Kenichiro Hashimoto, Tomomi Katoh, Tsuneo Maki, Kiyoshi Yamaguchi 2005-07-05
6682185 Liquid drop jet head, ink cartridge and ink jet recording apparatus Kenichiro Hashimoto, Tomomi Katoh, Tsuneo Maki, Kiyoshi Yamaguchi 2004-01-27
6352333 Method and apparatus for preventing nozzle clogging in ink jet printing apparatus Shuzo Matsumoto, Takeo Murai 2002-03-05
6331052 Ink jet printing apparatus Taeko Murai, Shuzo Matsumoto, Tomoaki Nakano, Hideyuki Makita, Yoshihisa Ohta +2 more 2001-12-18