KA

Koichi Akiyama

SE Seiko Epson: 139 patents #12 of 7,774Top 1%
Mitsubishi Electric: 28 patents #534 of 25,717Top 3%
KC Kowa Company: 12 patents #30 of 562Top 6%
TI Takeda Chemical Industries: 8 patents #152 of 1,420Top 15%
MC Mitsubishi Chemical: 4 patents #463 of 3,022Top 20%
Nissan Motor Co.: 3 patents #2,303 of 8,689Top 30%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
HC Hirose Electric Co.: 3 patents #115 of 407Top 30%
ME Mitsubishi Electric: 2 patents #243 of 959Top 30%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
NE Nec: 2 patents #5,510 of 14,502Top 40%
TK Toshiba Tec Kabushiki Kaisha: 2 patents #886 of 1,664Top 55%
FI Fujifilm Business Innovation: 1 patents #3,579 of 5,238Top 70%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
MC Mitsui Takeda Chemicals: 1 patents #15 of 41Top 40%
RC Ricoh Imaging Company: 1 patents #35 of 67Top 55%
AA Autoliv Development Ab: 1 patents #518 of 1,363Top 40%
Overall (All Time): #3,135 of 4,157,543Top 1%
206
Patents All Time

Issued Patents All Time

Showing 126–150 of 206 patents

Patent #TitleCo-InventorsDate
9004692 Projector having diffusing unit and polarization conversion element 2015-04-14
8998421 Projector having polarization conversion Takayuki Matsubara 2015-04-07
8985623 Steering wheel structure with airbag module Takashi Kondo, Yukihiro Kunitake, Kunitomo Miyahara, Yutaka Hirota, Yutaka Tsuchida +2 more 2015-03-24
8944606 Projector having color separation optical system with reflecting curved surface 2015-02-03
8791692 Magnetic position detecting device Taisuke Furukawa, Takeharu Kuroiwa, Yuji Kawano, Hiroshi Kobayashi 2014-07-29
8714747 Projector having a first light separation optical system and a second light separation optical system Toshiaki Hashizume 2014-05-06
8628199 Light source device with a plurality of light sources and a collimating lens 2014-01-14
8596795 Projector 2013-12-03
8585208 Light source device and projector 2013-11-19
8562152 Collimator lens unit with aspheric surfaces for imparting a luminous flux density distribution 2013-10-22
8179600 Screen and method of manufacturing screen 2012-05-15
8123211 Pickup roller lifting and lowering mechanism in paper feeding unit and image forming apparatus including the pickup roller lifting and lowering mechanism Wataru Ikeda 2012-02-28
8123366 Light source with truncated ellipsoidal reflector 2012-02-28
8111457 Method of manufacturing screen and screen 2012-02-07
7869126 Screen and projection system 2011-01-11
7859750 Screen, projection system, and method of manufacturing the screen 2010-12-28
7854519 Illuminating device and projector that increase light utilization efficiency 2010-12-21
7819534 Projector and method for manufacturing projector 2010-10-26
7628494 Illuminating apparatus and projector 2009-12-08
7494225 Projector including an illumination device with a light cut-off member and rotating prism 2009-02-24
7404643 Projector having polarization conversion element 2008-07-29
7382539 Projector 2008-06-03
7364312 Light source lamp and projector 2008-04-29
7357531 Light source device and projector Takeshi Takezawa, Toshiaki Hashizume 2008-04-15
7354162 Projector 2008-04-08