IH

Izumi Hamanaka

KO Konica: 14 patents #132 of 1,958Top 7%
KC Konishiroku Photo Industry Co.: 1 patents #532 of 894Top 60%
Overall (All Time): #328,594 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5642200 Duplex image recording apparatus with memory Susumu Kurihara, Utami Soma, Atsushi Takahashi, Kenichi Hosoi, Takanobu Fuse 1997-06-24
5532809 Copying machine having automatic document feeding device Mitsuru Nagoshi, Toshio Yokoyama, Toshitaka Matsumoto, Hiroshi Gomi, Masaru Goto +1 more 1996-07-02
5449157 Recording sheet finishing apparatus Minoru Kawano, Mitsuru Nagoshi, Takao Shiozawa, Toshitaka Matsumoto, Shigemi Yukizane 1995-09-12
5449158 Sorter for distributing a plurality of sheets to a plurality of sheet holding bins Kazuhiro Hirota, Keisuke Tanaka, Minoru Kawano, Hisao Hosoya, Akihiko Nishiki 1995-09-12
5323219 Copying machine having an automatic document feeder with original positioning means Masanobu Kawano 1994-06-21
5267729 Sorter having a belt guide with a cushion member Fumiyuki Hirota 1993-12-07
5248136 Sorting apparatus with two sorters 1993-09-28
5213320 Paper feed device Kazuhiro Hirota 1993-05-25
5169135 Recirculating document handler Kazuhiro Hirota 1992-12-08
5116042 Document ejection apparatus with reduced document ejection speed 1992-05-26
5114130 Recorded sheet handling apparatus Yoshikazu Maekawa, Hiroyuki Arai, Akihiko Nishiki, Takeshi Muramatsu, Toshio Yokoyama +1 more 1992-05-19
5104118 Apparatus for sorting recording mediums 1992-04-14
5088717 Paper feeding apparatus having a three cylinder vacuum member Kazuhiro Hirota 1992-02-18
4921239 Document feeding apparatus Susumu Okui, Tsugio Hirabayashi 1990-05-01
4898372 Copy paper processing apparatus Tsugio Hirabayashi 1990-02-06