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

Junichi Arai

HOHosiden: 52 patents #4 of 328Top 2%
NCNihon Dempa Kogyo Co.: 16 patents #17 of 296Top 6%
Nissan Motor Co.: 9 patents #795 of 8,689Top 10%
FCFukuda Metal Foil & Powder Co.: 6 patents #6 of 95Top 7%
SESeiko Epson: 6 patents #2,663 of 7,774Top 35%
MOMoritex: 5 patents #3 of 50Top 6%
KMKonica Minolta: 5 patents #737 of 2,718Top 30%
KMKonica Minolta: 3 patents #626 of 1,361Top 50%
AKAkashi: 2 patents #3 of 14Top 25%
TCToppan Printing Co.: 2 patents #414 of 1,467Top 30%
UMUchiyama Manufacturing: 1 patents #36 of 116Top 35%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
KKKayaba Kogyo: 1 patents #38 of 155Top 25%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
MMMitsubishi Motors: 1 patents #856 of 1,823Top 50%
RSRenault S.A.S.: 1 patents #417 of 1,209Top 35%
Toyokawa, JP: #1 of 656 inventorsTop 1%
Overall (All Time): #13,440 of 4,157,543Top 1%
104 Patents All Time

Issued Patents All Time

Showing 51–75 of 104 patents

Patent #TitleCo-InventorsDate
D636340 Electrical connector Daisuke Sasaki 2011-04-19
D636341 Electrical connector Daisuke Sasaki 2011-04-19
D636342 Electrical connector Daisuke Sasaki 2011-04-19
D635097 Electrical connector Takayuki Nagata 2011-03-29
D633049 Electrical connector Takao Asano 2011-02-22
D633048 Electrical connector Takao Asano 2011-02-22
D629361 Electrical connector Takao Asano 2010-12-21
D628161 Electrical connector Takao Asano 2010-11-30
D627739 Electrical connector Takao Asano 2010-11-23
D626918 Electrical connector Daisuke Sasaki 2010-11-09
7775626 Cleaning device, inkjet printer, and an inkjet printer cleaning method Susumu Taga, Toshiaki Koike 2010-08-17
7775730 Method for detecting failure of a paper detector in a roll paper printer, and roll paper printer having control for detecting failure of a paper detector Kenichi Murahashi, Toshiaki Koike 2010-08-17
D620892 Electrical connector Daisuke Sasaki 2010-08-03
D616830 Electrical connector Daisuke Sasaki 2010-06-01
D611424 Electrical connector Takao Asano 2010-03-09
D602872 Electrical connector Takao Asano 2009-10-27
D602873 Electrical connector Daisuke Sasaki, Hayato Kondo, Takayuki Nagata 2009-10-27
7382204 Constant temperature crystal oscillator Naoki Sekine 2008-06-03
D560612 Electrical connector Takashi Shimizu 2008-01-29
D559190 Electrical connector Takashi Shimizu 2008-01-08
D559189 Electrical connector Takashi Shimizu 2008-01-08
D559191 Electrical connector Takashi Shimizu 2008-01-08
D559192 Electrical connector Takashi Shimizu 2008-01-08
D553092 Plug for electrical connection Takashi Shimizu 2007-10-16
D548191 Electrical connector Takashi Shimizu 2007-08-07