YI

Yoshiyuki Ichihara

KO Konica: 13 patents #144 of 1,958Top 8%
KC Konishiroku Photo Industry Co.: 4 patents #209 of 894Top 25%
Overall (All Time): #279,797 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6750989 Image reading apparatus and image forming apparatus Takashi Kamada, Koji Washio, Shizuo Kayano 2004-06-15
6301022 Correction method of document inclination angle Koji Washio 2001-10-09
5963344 Image forming apparatus Hideki Morita 1999-10-05
5821978 Image forming apparatus for forming an image in use with a plurality of laser beam scanners Hiroyuki Yamamoto, Kouichi Takagi, Yuuichi Goto, Takashi Murahashi 1998-10-13
5576852 Synchronization signal generating unit of an image forming apparatus Kouichi Sawada, Jun Nakagawa 1996-11-19
5493411 Image forming apparatus that modulates image density data Satoshi Haneda, Takashi Hasebe, Tetsuya Niitsuma 1996-02-20
5486927 Digital image forming apparatus using subdivided pixels Noboru Koizumi, Satoshi Haneda, Takashi Hasebe, Tetsuya Niitsuma 1996-01-23
5374950 Image forming apparatus to provide multicolor images Kazuo Yasuda, Kouichi Sawada 1994-12-20
5331432 Image forming apparatus Kouichi Sawada, Hiroyuki Yamamoto 1994-07-19
5262631 Color image reading apparatus Hiroyuki Yamamoto, Satoshi Haneda, Masakazu Fukuchi, Shisuo Morita 1993-11-16
5198853 Document size detection apparatus Hiroyuki Futami, Toshihiro Motoi, Jun Nakagawa, Noboru Koizumi, Kouichi Sawada 1993-03-30
5162821 Color image forming apparatus Masakazu Fukuchi, Satoshi Haneda, Hisashi Shoji, Kunihisa Yoshino 1992-11-10
4926249 Color image reader having a lens and prism incorporated into a single unit Kunio Ito, Tadashi Izawa, Norihiro Wakui 1990-05-15
4835600 Solid state image reading device with sensors adhered to plate which is adhered to lens holding member Kiyoshi Harada, Motokazu Ikeda, Makoto Kon, Masahiko Matsunawa, Shizuo Morita 1989-05-30
4814895 Image reading device Kiyoshi Harada, Motokazu Ikeda, Makoto Kon, Masahiko Matsunawa, Sizuo Morita 1989-03-21
4771431 Semiconductor laser drive Toshihiko Nakazawa, Takashi Murahashi, Toshihiro Takesue 1988-09-13
4763134 Laser recording apparatus having variable recording magnification and beam intensity control Takashi Murahashi, Toshihiko Nakazawa, Toshihiro Takesue 1988-08-09