KI

Kouichi Irie

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
Ricoh Company: 5 patents #3,664 of 9,818Top 40%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #471,356 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6736594 Axial-flow type hydraulic machine Tomoyoshi Okamura, Yoshio Anzai, Junichi Kurokawa 2004-05-18
6582189 Turbo machines Tomoyoshi Okamura, Akira Manabe, Junichi Kurokawa 2003-06-24
6540482 Turbo-type machines Tomoyoshi Okamura, Sumio Sudo, Junichi Kurokawa 2003-04-01
6514034 Pump Tomoyoshi Okamura, Taiji Hashimoto, Hitoharu Kimura 2003-02-04
6435819 Turbo machines Tomoyoshi Okamura, Akira Manabe, Junichi Kurokawa 2002-08-20
6290458 Turbo machines Tomoyoshi Okamura, Akira Manabe, Junichi Kurokawa 2001-09-18
6118557 Color image forming apparatus Mitsugu Sugiyama, Eiichi Sasaki, Tadashi Shinohara, Yutaka Shio 2000-09-12
5899597 Toner cartridge with an external reflector for a developer apparatus capable of optically end-detecting Tadashi Shinohara, Kouichi Noguchi, Eiichi Sasaki 1999-05-04
5805192 Image forming apparatus having automatic image density adjustment function against dot size variation Eiichi Sasaki 1998-09-08
5737665 Apparatus for calibrating toner density for color images Mitsugu Sugiyama, Eiichi Sasaki, Tadashi Shinohara, Yutaka Shio 1998-04-07
5621221 Toner end detection device and method Tadashi Shinohara, Kouichi Noguchi, Eiichi Sasaki 1997-04-15