RO

Ryuji Okutomi

KO Konica: 12 patents #157 of 1,958Top 9%
KM Konica Minolta: 6 patents #346 of 1,361Top 30%
Overall (All Time): #258,400 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8103193 Image forming apparatus Akifumi Isobe, Hiroyuki Watanabe, Tadayuki Ueda, Yoshihito Sasamoto, Takashi Nara 2012-01-24
8059145 Color image forming apparatus and image forming method Tadayuki Ueda, Hiroyuki Watanabe, Akifumi Isobe, Yoshihito Sasamoto, Takashi Nara 2011-11-15
7876342 Color image forming apparatus using registration marks Eiji Nishikawa, Hiroyuki Maruyama, Hiroyuki Arai, Toshihiro Motoi, Kenji Izumiya +5 more 2011-01-25
7732947 Power unit and image forming system Hiroyuki Watanabe, Hideo Yamane, Yoshihito Sasamoto 2010-06-08
7606516 Image printing apparatus Tadayuki Ueda, Hiroyuki Maruyama, Toshihiro Motoi, Kenji Izumiya, Satoshi Ogata 2009-10-20
7542058 Color image forming apparatus using registration marks Eiji Nishikawa, Hiroyuki Maruyama, Hiroyuki Arai, Toshihiro Motoi, Kenji Izumiya +5 more 2009-06-02
7453480 Color image forming apparatus using registration marks Eiji Nishikawa, Hiroyuki Maruyama, Hiroyuki Arai, Toshihiro Motoi, Kenji Izumiya +5 more 2008-11-18
7392002 Image forming apparatus and method of image forming Eiji Nishikawa, Satoshi Ogata, Tadayuki Ueda 2008-06-24
7263314 Electrophotographic image printing apparatus Tadayuki Ueda, Hiroyuki Maruyama, Toshihiro Motoi, Kenji Izumiya, Satoshi Ogata 2007-08-28
7126725 Image reading apparatus and image forming apparatus equipped therewith Hiroyuki Futami, Jun Nakagawa, Tadayuki Ueda, Eiji Nishikawa 2006-10-24
7079172 Clock generating circuit and image-forming apparatus Kenji Izumiya, Hiroyuki Maruyama, Tadayuki Ueda, Eiji Nishikawa, Satoshi Ogata +1 more 2006-07-18
6911993 Color image forming apparatus using registration marks Eiji Nishikawa, Hiroyuki Maruyama, Hiroyuki Arai, Toshihiro Motoi, Kenji Izumiya +5 more 2005-06-28
6839078 Image forming apparatus which changes clock frequencies in accordance with recording sheet shrinkage Kenji Izumiya, Hiroyuki Maruyama, Toshihiro Motoi, Shinobu Kishi, Satoshi Ogata +3 more 2005-01-04
6801725 Image forming apparatus Tadayuki Ueda, Toshihiro Motoi, Satoshi Ogata, Shinobu Kishi, Eiji Nishikawa +3 more 2004-10-05
6725005 Drive control method of photoreceptor drum and image forming apparatus Tadayuki Ueda, Hiroyuki Maruyama, Kenji Izumiya, Shinobu Kishi, Satoshi Ogata +2 more 2004-04-20
6724161 Image forming apparatus and control method of motor therein Tadayuki Ueda, Hiroyuki Maruyama, Kenji Izumiya, Eiji Nishikawa, Satoshi Ogata +1 more 2004-04-20
6320674 Image forming apparatus Utami Soma, Atsushi Takahashi, Kazumichi Yamauchi, Susumu Kurihara 2001-11-20
5895142 Image forming apparatus with sorting function Atsushi Takahashi, Utami Soma, Kazumichi Yamauchi 1999-04-20