RN

Ryuji Nishiyama

Canon: 5 patents #9,253 of 19,416Top 50%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
O- O-M: 1 patents #22 of 47Top 50%
TC Tomoeagawa Paper Co.: 1 patents #110 of 226Top 50%
Overall (All Time): #578,761 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8554098 Fixing apparatus and image forming apparatus having the same 2013-10-08
7778584 Thermal fixing device and image forming device Shitaro Kawai 2010-08-17
7761965 Automatic swiveling turret apparatus for machine tool Takio Nakamura, Tatsuo Shimizu, Akihiro Goto, Takashi Ueda 2010-07-27
7424260 Thermal fixing device and image forming device Shintaro Kawai 2008-09-09
7313339 Image forming device and controlling method thereof 2007-12-25
6785484 Image forming apparatus using copy speed to control fixing temperature 2004-08-31
5593806 Two-component developer and image-forming method for which the developer is adapted Akira Fukano, Koji Harakawa, Makoto Miura 1997-01-14
5051756 Thermal printer Yoshikazu Nomura, Yoshikazu Tsuru, Taichi Itoh 1991-09-24
5011315 Printer Toshiharu Kitagawa, Masaaki Takita, Yoshikazu Tsuru 1991-04-30