KT

Keiji Tanaka

Canon: 2 patents #105 of 392Top 30%
Fujitsu Limited: 1 patents #159 of 509Top 35%
Overall (1982): #4,228 of 81,411Top 6%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4340296 Electrophotographic apparatus Katsunobu Ohara, Yujiro Ando, Inao Moriyama 1982-07-20
4332876 Electrophotographic screen Katsunobu Ohara, Yujiro Ando, Inao Moriyama 1982-06-01
4324177 Calender roll for supercalender Nobuo Tsuji, Masaaki Fujiyama, Hiromi Nakahara, Eiichi Tadokoro, Isao Yamamoto 1982-04-13