YT

Yoshikuni Tohyama

Canon: 2 patents #337 of 1,247Top 30%
Overall (1989): #12,255 of 140,708Top 9%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
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