RY

Ryozo Yanagisawa

Canon: 53 patents #647 of 19,416Top 4%
Overall (All Time): #47,881 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 51–54 of 54 patents

Patent #TitleCo-InventorsDate
5093675 Hand-held recording apparatus Noboru Koumura, Toshiaki Harada, Hiroshi Tanioka 1992-03-03
5063451 Hand held recording apparatus with window on lower body portion for viewing recording position Hiroshi Tanioka, Kiyoshi Kaneko, Toshiaki Harada, Kikuo Yoshikawa, Noboru Koumura +1 more 1991-11-05
4980518 Coordinate input apparatus Katsuyuki Kobayashi, Shinnosuke Taniishi, Takeshi Kamono, Kiyoshi Kaneko, Yichiro Yoshimura 1990-12-25
4924319 Board-writing apparatus Yoshitaka Ogino, Noboru Koumura, Masanori Nanamura 1990-05-08