TT

Toshiya Takahata

SE Seiko Epson: 23 patents #730 of 7,774Top 10%
Overall (All Time): #185,951 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
7929884 Image forming apparatus, developing unit, and computer system Ken Yoshizuka, Yoichiro Irie 2011-04-19
7646994 Image forming apparatus developing unit and computer system Ken Yoshizuka, Yoichiro Irie 2010-01-12
7469117 Image forming apparatus, developing unit, and computer system Ken Yoshizuka, Yoichiro Irie 2008-12-23
7340201 Image formation device, development unit, and computer system Ken Yoshizuka, Yoichiro Irie 2008-03-04
7313343 Image forming apparatus Kuniaki Tanaka, Nobuyuki Mizushima, Hiroshi Miyazawa, Keiichi Taguchi 2007-12-25
7187893 Image transfer unit having an intermediate transfer belt to which a toner image is applied Akira Kubota, Tatsuro Osawa, Nobumasa Abe, Takehiko Okamura, Hiroshi Ito +2 more 2007-03-06
7092660 Image forming apparatus Kuniaki Tanaka, Keiichi Taguchi, Hiroshi Miyazawa, Nobuyuki Mizushima 2006-08-15
6957032 Intermediate transfer unit having a primary transfer member and a secondary transfer roller Akira Kubota, Tatsuro Osawa, Nobumasa Abe, Takehiko Okamura, Hiroshi Ito +2 more 2005-10-18
6856782 Intermediate transfer unit having a primary and a secondary transfer member Akira Kubota, Tatsuro Osawa, Nobumasa Abe, Takehiko Okamura, Hiroshi Ito +2 more 2005-02-15
6768880 Image forming apparatus Kazuhiko Iida 2004-07-27
6731899 Intermediate transfer unit Akira Kubota, Tatsuro Osawa, Nobumasa Abe, Takehiko Okamura, Hiroshi Ito +2 more 2004-05-04
6605401 Toner and development unit and image forming apparatus using the same Hideki Okada, Kazuhiro Ichikawa, Hiroshi Ito 2003-08-12
6408158 Intermediate transfer unit Akira Kubota, Tatsuro Osawa, Nobumasa Abe, Takehiko Okamura, Hiroshi Ito +2 more 2002-06-18
6358654 Toner and development unit and image forming apparatus using the same Hiroshi Ito, Hideki Okada, Kazuhiro Ichikawa 2002-03-19
6281963 Image forming apparatus Takehiko Okamura, Hiroshi Ito 2001-08-28
6223015 Recording medium carrier system intermediate transfer unit Akira Kubota, Tatsuro Osawa, Nobumasa Abe, Takehiko Okamura, Hiroshi Ito +2 more 2001-04-24
6173139 Recording medium carrier system having a paper feed unit, a transfer unit, a fixing unit and a paper ejecting unit constructed as independent units Akira Kubota, Tatsuro Osawa, Nobumasa Abe, Takehiko Okamura, Hiroshi Ito +2 more 2001-01-09
6146802 Toner and development unit and image forming apparatus using the same Hideki Okada, Kazuhiro Ichikawa, Hiroshi Ito 2000-11-14
6112038 Image forming apparatus having a stable potential at a first transfer point 2000-08-29
6035154 Image forming apparatus Takehiko Okamura, Toshihiko Yamazaki 2000-03-07
5729811 Contact transfer device and image forming equipment Tatsuro Ohsawa, Yasuhito Hirashima, Yoshiro Koga 1998-03-17
5563693 Contact transfer device and image forming equipment Tatsuro Ohsawa, Yasuhito Hirashima, Yoshiro Koga 1996-10-08
5151741 Electrophoretic imaging device Toshiaki Kakutani, Nobuyuki Yanase, Hitoshi Fukushima 1992-09-29