KH

Kei Hara

Ricoh Company: 9 patents #2,462 of 9,818Top 30%
TC Tec Co.: 4 patents #3 of 177Top 2%
SC Sumitomo Bakelite Co.: 3 patents #131 of 790Top 20%
TL Tokyo Electron Limited: 2 patents #2,602 of 5,567Top 50%
AB Asm Ip Holding B.V.: 1 patents #418 of 620Top 70%
NI Nikon: 1 patents #1,647 of 2,493Top 70%
TK Toshiba Tec Kabushiki Kaisha: 1 patents #1,144 of 1,664Top 70%
Overall (All Time): #209,940 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
8995489 Semiconductor stack and vertical cavity surface emitting laser 2015-03-31
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
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
D665055 Shower plate Ippei Yanagisawa, Shuzo Hebiguchi 2012-08-07
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
7991033 Vertical cavity surface emitting laser (VCSEL), VCSEL array device, optical scanning apparatus, and image forming apparatus Morimasa Kaminishi 2011-08-02
7976521 Body fluid suction reservoir Yukihiko Sakaguchi 2011-07-12
7693204 Surface-emitting laser device and surface-emitting laser array including same Shunichi Sato, Naoto Jikutani 2010-04-06
7641639 Body fluid suction reservoir Yukihiko Sakaguchi 2010-01-05
7297106 Medical treating instrument Hideo Yamada, Eiji Kanehira, Kiyotaka Arikawa, Minoru Shibata 2007-11-20
7061513 Image recording body and image forming apparatus by use of the same Yasuo Katano, Satoru Tomita, Minoru Morikawa 2006-06-13
6961074 Image recording body and image forming apparatus by use of the same Yasuo Katano, Satoru Tomita, Minoru Morikawa 2005-11-01
6589708 Image recording body and image forming device using the image recording body Yasuo Katano, Satoru Tomita, Minoru Morikawa 2003-07-08
6166753 Thermal printer 2000-12-26
5999244 Projection exposure apparatus, method for correcting positional discrepancy of projected image, and method for determining image formation characteristic of projection optical system Masamitsu Yanagihara, Seiji Miyazaki, Hideki Koitabashi, Yoichi Hamashima, Hiroshi Kitano +1 more 1999-12-07
5963243 Exposing device for correcting an f.theta. error of a rotatable polygon mirror without using an f.theta. lens Yoriyuki Sunaga 1999-10-05
5602637 Color printer Hiroshi Yamaguchi 1997-02-11
5592210 Method and apparatus for driving edge emission type line head Shigeru Morino 1997-01-07
5568178 Method and apparatus for driving edge-emission type electroluminescent elements, method and apparatus for driving a line head having a plurality of edge-emission type electroluminescent elements and image forming apparatus for forming image data on Shigeru Morino 1996-10-22
5233370 Method and apparatus of exposure for correcting electrostatic latent image outline Osamu Kobuse 1993-08-03
5206685 Apparatus for maintaining an electrophotographic apparatus Koki Tanaka 1993-04-27