KM

Koichi Matsuzaki

OD Oki Data: 11 patents #55 of 635Top 9%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
Overall (All Time): #382,622 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9316962 Image formation apparatus and image formation method for forming an image on a folded print medium 2016-04-19
9030218 Method for thermal stabilization of probe card and inspection apparatus Kazunari Ishii, Tetsuji Watanabe, Shinya Koizumi 2015-05-12
8761644 Development unit and image forming apparatus using the same 2014-06-24
8655233 Developer container, developing device and image forming device 2014-02-18
8027604 Image forming apparatus having a voltage change determiner 2011-09-27
7395017 Image forming apparatus 2008-07-01
7330683 Circumferential speed and developer characteristics 2008-02-12
7261990 Toner particles for image forming apparatus 2007-08-28
7260348 Image forming apparatus having a toner-supplying roller and a developing roller configured to meet a specific parameter 2007-08-21
7099610 Image forming apparatus 2006-08-29
6009299 Electrophotographic imaging apparatus using multi-layered toner Toru Ishihara, Masamitsu Nagamine, Kuniharu Hayashi 1999-12-28
5839021 Developing unit for an electrophotographic printer employing a supply roller for transferring toner to a developing roller Kuniharu Hayashi, Masamitsu Nagamine 1998-11-17
5455664 Electrophotographic printer for transferring images on different sized print medium and transferring method of the same Katsuyuki Ito, Shinichi Katakura, Toru Ishihara 1995-10-03