YO

Yoshitatsu Okiyama

OD Oki Data: 12 patents #49 of 635Top 8%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
Overall (All Time): #354,900 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
RE40711 Toner cartridge Shinichi Murakami, Ken Kikuchi 2009-05-12
6711371 Developing device having means to remove developer from a developer supplying member Tetsu Koyama, Teruaki Kuroda 2004-03-23
6324371 Toner cartridge Shinichi Murakami, Ken Kikuchi 2001-11-27
6112037 Color image forming apparatus having a controller for setting printing speeds in dependence on a detected number of colors in an image signal Masato Nagata, Hisao Ono, Yoshiharu Momiyama, Noboru Otaki, Atsushi Kurabayashi +8 more 2000-08-29
6026270 Medium transporting apparatus having attraction member Ken Kikuchi, Fumiaki Yoshida 2000-02-15
6023594 Image forming apparatus having a plurality of image forming stations including devices and receiving sections for detachably receiving the devices Makoto Yabuki, Junichi Ito 2000-02-08
5991575 Belt unit Ken Kikuchi 1999-11-23
5983041 Image recording apparatus having a neutralizing device Noboru Otaki, Shinichi Murakami, Masato Sakai, Koji Ida, Shuichiro Ogata +2 more 1999-11-09
5983042 Color image forming apparatus having a printing mechanism selectively movable to operative and non-operative positions Masato Nagata, Hisao Ono, Yoshiharu Momiyama, Noboru Otaki, Atsushi Kurabayashi +8 more 1999-11-09
5943533 Method and apparatus for forming an electrostatic latent image with toner recovery Syuichiro Ogata, Kazuyoshi Yoshida, Toru Ishihara, Kuniharu Hayashi, Hiroyuki Yajima +4 more 1999-08-24
5765076 Method and apparatus for forming an electrostatic latent image with toner recovery Syuichiro Ogata, Kazuyoshi Yoshida, Toru Ishihara, Kuniharu Hayashi, Hiroyuki Yajima +4 more 1998-06-09
5740493 Electrophotographic recording apparatus having reverse-charged toner removing means Noboru Otaki, Kazuyoshi Yoshida, Masato Sakai, Hiroyuki Inoue, Syuichiro Ogata 1998-04-14
D304579 Facsimile transceiver Yoshiyuki Fujiyama, Sumio Ogawara, Akira Chiku, Toshihiro Kumano 1989-11-14
D288093 Facsimile transceiver Yoshiyuki Fujiyama, Hidemi Watanabe, Toshihiro Kumano, Minoru Terakado 1987-02-03