KH

Kazuhiko Hayami

Canon: 12 patents #5,447 of 19,416Top 30%
Overall (All Time): #424,768 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
7816063 Color toner and two-component developer Akira Hashimoto, Yojiro Hotta, Wakashi Iida, Hirohide Tanikawa, Yasuhiro Ichikawa 2010-10-19
7544457 Color toner and two-component developer Akira Hashimoto, Yojiro Hotta, Wakashi Iida, Yasuhiro Ichikawa, Hirohide Tanikawa 2009-06-09
7455947 Yellow toner, image forming apparatus and a method for producing a toner Tetsuya Ida, Yasuhiro Ichikawa, Wakashi Iida, Yojiro Hotta, Hirohide Tanikawa 2008-11-25
7452647 Color toner Hirohide Tanikawa, Tetsuya Ida, Akira Hashimoto, Nozomu Komatsu, Hiroyuki Fujikawa 2008-11-18
7361441 Color toner, and full-color image-forming method Takayuki Itakura, Takaaki Kotaki, Takaaki Kaya, Nozomu Komatsu 2008-04-22
7300733 Black toner with defined loss tangent Nobuyoshi Sugahara, Takaaki Kohtaki, Yasuhiro Ichikawa, Tetsuya Ida, Nozomu Komatsu 2007-11-27
7288348 Color toner Tetsuya Ida, Nozomu Komatsu, Yasuhiro Ichikawa, Akira Hashimoto, Hirohide Tanikawa +5 more 2007-10-30
7229727 Color toner, and full-color image forming method Takayuki Itakura, Takaaki Kotaki, Takaaki Kaya, Nozomu Komatsu 2007-06-12
7147980 Toner and image forming apparatus Takayuki Itakura, Takaaki Kotaki, Yasuhiro Ichikawa, Takaaki Kaya, Wakashi Iida +3 more 2006-12-12
7115349 Toner Wakashi Iida, Takayuki Itakura, Yojiro Hotta 2006-10-03
7022449 Black toner with defined loss tangent Nobuyoshi Sugahara, Takaaki Kohtaki, Yasuhiro Ichikawa, Tetsuya Ida, Nozomu Komatsu 2006-04-04
6905808 Color toner, and full-color image forming method Takayuki Itakura, Takaaki Kotaki, Takaaki Kaya, Nozomu Komatsu 2005-06-14