OM

Osamu Machida

Ricoh Company: 21 patents #1,013 of 9,818Top 15%
SC Sanken Electric Co.: 15 patents #18 of 315Top 6%
HC Hitachi Koki Co.: 10 patents #110 of 888Top 15%
RS Ricoh Printing Systems: 8 patents #6 of 200Top 3%
TC Tokai Carbon Co.: 2 patents #19 of 112Top 20%
NC Nippon Peroxide Co.: 2 patents #2 of 20Top 10%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
Overall (All Time): #39,316 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 26–50 of 60 patents

Patent #TitleCo-InventorsDate
8513983 Gate drive circuit with overdrive protection 2013-08-20
8476677 Semiconductor device Akio Iwabuchi 2013-07-02
8425026 Electromechanical transducer film and method for manufacturing electromechanical transducer film Yoshikazu Akiyama, Keiji Ueda, Akira Shimofuku 2013-04-23
8421123 Semiconductor device having transistor and rectifier Akio Iwabuchi 2013-04-16
8188515 Semiconductor device Akio Iwabuchi 2012-05-29
7982240 Bidirectional electronic switch 2011-07-19
7868353 Solid-state switch capable of bidirectional operation Mamoru Tsuruya 2011-01-11
7859018 Semiconductor device having nitride semiconductor layer Shinichi Iwakami 2010-12-28
7852137 Normally-off electronic switching device for on-off control of electric circuit Akio Iwabuchi 2010-12-14
7825435 Diode-like composite semiconductor device Akio Iwabuchi 2010-11-02
7745307 Method of manufacturing an inkjet head through the anodic bonding of silicon members Takao Umeda, Jun Nagata 2010-06-29
7714360 Surface-stabilized semiconductor device Koji Otsuka, Hitoshi Murofushi 2010-05-11
7651197 Method of manufacturing an inkjet head through the anodic bonding of silicon members Takao Umeda, Jun Nagata 2010-01-26
7648734 Apparatus for forming thin film and method for forming the same Makoto Kurosawa, Kazuo Shimizu 2010-01-19
7226150 Inkjet head and a method of manufacturing the same Yasuhiro Yoshimura, Jun Nagata, Tatsuya Nagata 2007-06-05
7222946 Ink jet head and droplet ejection device having same mounted thereon Kunio Satou, Kazuo Shimizu, Yoshinari Suzuki 2007-05-29
7192130 Ink jet head and ink jet recording apparatus Kazuo Shimizu 2007-03-20
7163279 Inkjet head having relay member interposed between piezoelectric element and diaphragm Kazuo Shimizu, Tomohiko Koda 2007-01-16
7077511 Housing used in inkjet head Tomohiko Koda, Satoru Tobita, Yoshitaka Akiyama, Toshiharu Sumiya, Yoshikane Matsumoto 2006-07-18
6719390 Short delay phased firing to reduce crosstalk in an inkjet printing device Stuart D. Howkins, Charles A. Willus 2004-04-13
6592196 Drive method for ink jet head Yoshitaka Akiyama, Nobuhiro Noto, Yutaka Shoji, Hiroshi Takahagi, Yoshinari Suzuki 2003-07-15
6328418 Print head having array of printing elements for printer Takahiro Yamada, Hiroomi Kozawa, Takuji Torii, Kazunobu Hayashi, Toshitaka Ogawa +7 more 2001-12-11
6161924 Ink jet recording head Masao Mitani, Kenji Yamada, Kazuo Shimizu, Katsunori Kawasumi 2000-12-19
5980024 Ink jet print head and a method of driving ink therefrom Masao Mitani, Kenji Yamada, Katsunori Kawasumi, Kazuo Shimizu 1999-11-09
5966153 Ink jet printing device Masao Mitani, Kenji Yamada, Katsunori Kawasumi, Kazuo Shimizu 1999-10-12