YY

Yasumi Yoshida

Canon: 18 patents #3,676 of 19,416Top 20%
IS Ist: 1 patents #20 of 49Top 45%
Overall (All Time): #256,191 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9561922 Sheet feeding device and image forming apparatus Takashi Hiratsuka, Takaaki Aoyagi, Takeshi Aoyama 2017-02-07
9170542 Image forming apparatus that transfers toner image onto sheet Takashi Hiratsuka, Takaaki Aoyagi, Takeshi Aoyama 2015-10-27
8831446 Image forming apparatus with belt adjustment Tadashi Matsumoto, Sumitoshi Sootome, Shinji Yamamoto, Takashi Hiratsuka, Toshihiro Fukasaka 2014-09-09
8831454 Image forming apparatus Takashi Hiratsuka 2014-09-09
8824939 Image forming apparatus with belt position control feature Shinji Yamamoto, Toshihiro Fukasaka, Tadashi Matsumoto, Takashi Hiratsuka, Sumitoshi Sotome 2014-09-02
8818239 Image forming apparatus having transfer belt control Shinji Yamamoto, Tadashi Matsumoto, Takashi Hiratsuka, Toshihiro Fukasaka 2014-08-26
8606153 Image forming apparatus with conveying belt position detection and correction Takashi Hiratsuka, Shinji Yamamoto, Toshihiro Fukasaka, Tadashi Matsumoto, Sumitoshi Sotome 2013-12-10
6081688 Both-face automatic original feeding apparatus Tamotsu Okada, Hiroyoshi Maruyama, Masahiko Yashiro, Kazuo Shishido, Noriaki Koyanagi 2000-06-27
5722652 Sheet feeding apparatus with sheet absorb means and a conveyor controlled for forward and reverse conveying directions Ryusei Kominato, Shinsuke Ubayashi 1998-03-03
5681036 Sheet feeding device with control of skew-correction Shinichiro Wakahara, Kazuo Shishido 1997-10-28
5645274 Sheet supply apparatus Shinsuke Ubayashi, Ryusei Kominato 1997-07-08
5628406 Separating apparatus and image forming apparatus Masanari Shirai, Makoto Tanaka, Takeshi Aoyama 1997-05-13
5500726 Fixing device with separation member capable of varying contact pressure Takeshi Aoyama 1996-03-19
5478066 Sheet supply apparatus Makoto Tanaka, Hiroyuki Takahara, Takeshi Aoyama, Ryusei Kominato, Shinsuke Ubayashi 1995-12-26
5305995 Sheet feeding apparatus for re-feeding a sheet without smearing Hisao Nakajima, Minoru Nada, Noriaki Koyanagi 1994-04-26
5217532 Rotatable member for fixing apparatus and fixing apparatus using same Hiroshi Sasame, Masaaki Sakurai, Isamu Sakane 1993-06-08
4720727 Image forming apparatus 1988-01-19
4583832 Developing device Toshirou Kasamura 1986-04-22