CY

Chiseki Yamaguchi

NE Nec: 18 patents #592 of 14,502Top 5%
UG U-Tec Group: 2 patents #4 of 12Top 35%
FI Fujifilm Business Innovation: 2 patents #2,833 of 5,238Top 55%
Overall (All Time): #174,982 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8525045 Faraday cage and device having same Naoya Hamada, Shunsuke Umezawa, Takuo Wariishi, Tomohiro Kamitani, Naoki Moribe 2013-09-03
D620075 Filter cartridge Naoya Hamada 2010-07-20
6580443 Color image forming device with simplified optical unit incorporating a laser source Takaaki Watanabe, Takuya Iwamura, Tomoyuki Yoshii, Toshiya Kusayanagi 2003-06-17
6353721 Color image formation apparatus using a liquid developer and color image formation method using a liquid developer Kazunori Shindo, Ryosuke Uematsu 2002-03-05
6330406 Toner concentration detecting apparatus including power supply for applying reversible voltage to the toner 2001-12-11
6282392 Image formation apparatus 2001-08-28
6269233 Liquid developer imaging apparatus having extended photo-conductor life 2001-07-31
6097413 Color image forming device capable of achieving a uniform and stable image quality for various recording media 2000-08-01
6049350 Color image forming apparatus 2000-04-11
6020866 Method and display panel for displaying color image 2000-02-01
5995778 Apparatus and method for detecting toner density in a liquid developer 1999-11-30
5974289 Color image forming apparatus 1999-10-26
5974291 Image forming apparatus and image forming method using selective exposure and removal of liquid developer 1999-10-26
5970287 Charging device for charging charged body in non-contact state 1999-10-19
5966561 Color-image forming apparatus having intermediate transfer member and controller for controlling the transfer bias 1999-10-12
5761591 Developing apparatus with means for carrying developer by utilizing the action of electric field curtain 1998-06-02
5745255 Electrophotographic digital printer having data expansion means responsive to desired image quality and type of recording medium used 1998-04-28
5666627 Fixing device which utilizes heat generated by electromagnetic induction 1997-09-09
5616416 Method and display panel for displaying color image 1997-04-01
5615405 Electrophotographic image forming apparatus which reduces an area for installing the apparatus 1997-03-25
5614290 Method and apparatus for displaying color image 1997-03-25
5589867 Method and apparatus for forming an image on a recording medium 1996-12-31
5365318 Developer unit utilizing a non-magnetic single component developer Yuji Hiraoka 1994-11-15
5170213 Developer unit utilizing a non-magnetic single component developer Kazuo Otuka 1992-12-08