Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HK

Hideki Kojima

SESeiko Epson: 33 patents #424 of 7,774Top 6%
TCToko Co.: 7 patents #11 of 196Top 6%
Nsk: 6 patents #247 of 1,559Top 20%
Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
TIToray Industries: 2 patents #1,308 of 3,690Top 40%
PAPanasonic: 2 patents #9,678 of 21,108Top 50%
MCMitsubishi Rayon Engineering Co.: 1 patents #25 of 48Top 55%
TCToppan Printing Co.: 1 patents #691 of 1,467Top 50%
Overall (All Time): #44,195 of 4,157,543Top 2%
56 Patents All Time

Issued Patents All Time

Showing 26–50 of 56 patents

Patent #TitleCo-InventorsDate
9131952 Fluid ejection device, fluid ejection method, and medical apparatus 2015-09-15
9097248 Pulsating flow generating apparatus and method of controlling pulsating flow generating apparatus Yasuhiro Ono, Shigeo Sugimura 2015-08-04
9055968 Liquid injection device Hirokazu Sekino, Takeshi Seto, Takahiro Matsuzaki 2015-06-16
9005227 Fluid ejection device and method of controlling fluid ejection device Shigeo Sugimura, Kunio Tabata 2015-04-14
9005226 Fluid ejection device and method to control fluid ejection device Takahiro Matsuzaki, Shigeo Sugimura 2015-04-14
8998938 Fluid ejection device, driving method of fluid ejection device, and operating instrument Takeshi Seto, Kazuo Kawasumi, Yasuyoshi HAMA, Yasuhiro Ono 2015-04-07
8857734 Fluid injection device 2014-10-14
8493222 Liquid injection device Hirokazu Sekino, Takeshi Seto, Takahiro Matsuzaki 2013-07-23
8461723 Non-contact electric power transmission circuit 2013-06-11
8382702 Fluid injection device and medical instrument including fluid injection device Kazuaki Uchida, Atsuya HIRABAYASHI 2013-02-26
8339097 Non-contact power transfer apparatus Hiroshi Furuya 2012-12-25
8311247 Piezoelectric body module and manufacturing method therefor Atsuhito Mizutani, Katuhiro Makihata 2012-11-13
8299580 Semiconductor wafer and a method of separating the same Takahiro Kumakawa, Tomoaki Furukawa 2012-10-30
8212415 Noncontact electric power transmission system 2012-07-03
8126171 Electrostatic ultrasonic transducer and ultrasonic speaker Hirokazu Sekino, Kinya Matsuzawa 2012-02-28
7999649 Power transmission transformer for noncontact power transfer device 2011-08-16
7923971 Non-contact electric power transmission apparatus 2011-04-12
7707028 Clustering system, clustering method, clustering program and attribute estimation system using clustering system 2010-04-27
7518802 Illumination device, image display device, and projector 2009-04-14
7419269 Display device and projector 2008-09-02
7303288 Image display device Yasunaga Miyazawa, Takashi Takeda, Yoshitaka Ito 2007-12-04
7168811 Display device and projector 2007-01-30
7126736 Illumination device, display device and projector Yoshitaka Itoh 2006-10-24
7104652 Image display device and projector 2006-09-12
6735738 Method and device for reconstructing acoustic data and animation data in synchronization 2004-05-11