TY

Takahiro Yoshikawa

Ricoh Company: 25 patents #815 of 9,818Top 9%
Sharp Kabushiki Kaisha: 11 patents #1,520 of 10,731Top 15%
ND Nitto Denko: 9 patents #365 of 2,479Top 15%
SP Sakai Display Products: 6 patents #27 of 175Top 20%
KA Kao: 4 patents #816 of 3,221Top 30%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
TI Toray Industries: 1 patents #2,000 of 3,690Top 55%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
AC Aces Electronics Co.: 1 patents #20 of 32Top 65%
Overall (All Time): #38,490 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 26–50 of 60 patents

Patent #TitleCo-InventorsDate
8655251 Image processing apparatus including a gloss applying device 2014-02-18
8606162 Fixing device and image forming apparatus in which a height difference is circumferentially provided to a pressing member 2013-12-10
8547499 Lighting device, display device and television receiver 2013-10-01
8526871 Fixing device and image forming apparatus incorporating same 2013-09-03
8463150 Fixing device and image forming apparatus incorporating same 2013-06-11
8436961 Backlight unit and display device 2013-05-07
8425069 Lighting device, display device and television receiver Shuki Yamamoto, Yasumori Kuromizu, Kaori Yamamoto 2013-04-23
8371720 Diffusion sheet, diffusion unit, illuminating unit, and display device 2013-02-12
8358959 Fixing device and image forming apparatus incorporating same Masamichi Yamada 2013-01-22
8300179 Fluorescent tube, illuminating apparatus for display device, and display device 2012-10-30
8279368 Lighting device for display device, display device and television receiver 2012-10-02
8223292 Lighting device for use with display apparatus and display apparatus 2012-07-17
8170461 Image forming apparatus including pre-heating unit 2012-05-01
8071832 Method of converting ethylbenzene and process for producing p-xylene Masatoshi Watanabe, Ryoji Ichioka 2011-12-06
8055174 Fixing device using induction heating and image forming apparatus using the fixing device 2011-11-08
8050583 Fixing device having heaters controlled based on temperatures detected by first and second temperature detectors 2011-11-01
7949290 Image fixing apparatus and an image formation apparatus including a magnetic flux adjuster 2011-05-24
7672607 Fixing device to reduce warm-up time and apparatus using same 2010-03-02
7653321 Image forming apparatus, fixing device, and image forming method 2010-01-26
7460797 Belt type fixing device including a contact and a non-contact temperature sensor and a reflection type sheet sensor 2008-12-02
7366456 Fixing apparatus and image forming apparatus 2008-04-29
7313353 Fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unit Masahiko Satoh, Masami Tomita, Setsuo Soga, Toshiharu Hachisuka, Yasuhiro Kohira +3 more 2007-12-25
7292801 Fixing device, fixing method, image forming apparatus, image forming method 2007-11-06
7174124 Tandem color image forming apparatus with an image transfer belt and backup roller Hitoshi Ishibashi, Takayuki Maruta, Yuuji Sawai, Atsushi Takehara 2007-02-06
7127204 Belt fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unit Masahiko Satoh, Masami Tomita, Setsuo Soga, Toshiharu Hachisuka, Yasuhiro Kohira +3 more 2006-10-24