YT

Yoshikuni Tohyama

Canon: 10 patents #6,241 of 19,416Top 35%
Overall (All Time): #528,462 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
4916490 Image forming apparatus comprising a plurality of developing devices Hidetoshi Tanaka 1990-04-10
4845528 Double-side image forming apparatus Tomohiro Aoki, Kazuo Kawakubo, Katsushi Furuichi, Kiyokazu Namekata, Hidetoshi Tanaka +2 more 1989-07-04
4803520 Electrophotographic apparatus for making superposed images Masahiro Tomosada, Hiroshi Ogawa, Hideki Adachi, Tadashi Suzuki, Naoyuki Ohki 1989-02-07
4544262 Transfer station alignment device Shinji Kanemitsu 1985-10-01
4402595 Scanning type image formation apparatus Hiroshi Ogawa, Tateki Nagaoka 1983-09-06
4375331 Slit exposure device with white reflecting member Akihiko Katsura 1983-03-01
4323308 Copy magnification modifying apparatus Tadayuki Kitajima 1982-04-06
4302098 Printing apparatus Yasuhito Kan, Yoshimasa Kimura, Masato Ishida, Koichi Miyamoto 1981-11-24
4243311 Image forming apparatus Yoshimasa Kimura, Masato Ishida, Koichi Miyamoto 1981-01-06
4218131 Cleaning device Yoshio Ito, Katuhiko Yamada, Tadayuki Kitajima, Koichi Miyamoto, Hiroo Kobayashi 1980-08-19