OK

Osamu Koseki

SP Sii Printek: 31 patents #1 of 73Top 2%
SI Seiko Instruments: 6 patents #265 of 1,437Top 20%
TC Toyo Seikan Co.: 6 patents #103 of 888Top 15%
TH Tokyo Seikan Group Holdings: 1 patents #1 of 25Top 4%
Overall (All Time): #66,683 of 4,157,543Top 2%
44
Patents All Time

Issued Patents All Time

Showing 26–44 of 44 patents

Patent #TitleCo-InventorsDate
8251502 Liquid-jet head chip, liquid-jet head, and liquid-jet recording apparatus 2012-08-28
8192006 Liquid-jet head chip, liquid-jet head, and liquid-jet recording apparatus 2012-06-05
8157354 Head chip, liquid jet head, and liquid jet device 2012-04-17
8128207 Head chip, liquid jet head, liquid jet recording device, and method of manufacturing the head chip 2012-03-06
8057002 Method of driving an ink-jet head, ink-jet head, and ink-jet recording apparatus Yuki Yamamura 2011-11-15
7976136 Head chip, liquid jet head, and liquid jet device 2011-07-12
7950781 Inkjet head chip, manufacturing method for inkjet head chip, inkjet head, and inkjet recording apparatus 2011-05-31
7934812 Inkjet head chip, driving method for inkjet head chip, inkjet head, and inkjet recording apparatus 2011-05-03
7909436 Inkjet head, manufacturing method for the same, and inkjet recording apparatus 2011-03-22
7645030 Ink jet head and ink jet recording apparatus 2010-01-12
7604337 Inkjet head and inkjet recording device 2009-10-20
7172271 Ink-jet print head and ink-jet recording apparatus Kazuyoshi Tominaga, Masaki Denda, Tomiharu Makishima, Yasuhito Sekiya, Jun Tsuneyoshi +2 more 2007-02-06
6811247 Ink jet head and ink jet recording apparatus Kazuyoshi Tominaga, Kentaro Suzuki, Yuji Nakamura, Yasuhito Sekiya, Jun Tsuneyoshi +2 more 2004-11-02
5869893 Semiconductor device having a trapezoidal joint chip Takichi Ishii, Masaaki Mandai, Tomoyuki Yoshino, Hitoshi Takeuchi 1999-02-09
5763903 Avalanche photodiode for light detection Masaaki Mandai, Tomoyuki Yoshino, Tadao Akamine, Yutaka Saitoh, Junko Yamanaka 1998-06-09
5639693 Semiconductor device and process for fabricating the same Takichi Ishii, Masaaki Mandai, Tomoyuki Yoshino, Hitoshi Takeuchi 1997-06-17
5455203 Method of adjusting the pressure detection value of semiconductor pressure switches Yoshifumi Yoshida 1995-10-03
5149415 Film forming apparatus Toshio Sugita 1992-09-22
4931307 Method of correcting defect of patterned article Toshio Sugita, Hiroyuki Funamoto, Kazuyoshi Furuta 1990-06-05