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 26–50 of 104 patents

Patent #TitleCo-InventorsDate
8873983 Image forming apparatus and image forming method Kenji Taki, Kazuo Okunishi 2014-10-28
8849147 Image forming apparatus reducing toner fogging on photosensitive drum Hironori Akashi 2014-09-30
D710807 Electrical connector Takao Asano 2014-08-12
D710309 Main component unit of an electrical connector Takao Asano 2014-08-05
8711389 Printing control method and printer for printing on a label Tomoyuki Oi 2014-04-29
8653420 Temperature control circuit of oven controlled crystal oscillator 2014-02-18
8606123 Image forming device with mounted replaceable unit, method of checking operation in that image forming device, and storage medium storing operation checking program directed to that image forming device Hiroaki Takatsu 2013-12-10
8405843 Printer control method for error-detection-based reprinting Tomoyuki Oi 2013-03-26
D675572 Electrical connector Takao Asano 2013-02-05
8328579 Shield case and connector having the same Daisuke Sasaki 2012-12-11
8303198 Label paper indexing control method and label printer Hideki Nishimura, Ichimi Masuda 2012-11-06
8277039 Inkjet printer and a paper transportation method Motohiro Nakamaki 2012-10-02
8212626 Constant-temperature type crystal oscillator 2012-07-03
D650759 Electrical connector Takao Asano 2011-12-20
D649940 Electrical connector Takao Asano 2011-12-06
8049572 Oven-controlled crystal oscillator Kenji Kasahara 2011-11-01
8044730 Secondary vibration damping type crystal oscillator circuit 2011-10-25
8040197 Crystal oscillator 2011-10-18
8013683 Constant-temperature type crystal oscillator 2011-09-06
D642984 Electrical connector Daisuke Sasaki 2011-08-09
D638361 Electrical connector Daisuke Sasaki, Akihiro Tanaka 2011-05-24
D637958 Electrical connector Takao Asano 2011-05-17
D636732 Electrical connector Daisuke Sasaki 2011-04-26
D636731 Electrical connector Daisuke Sasaki 2011-04-26
D636730 Electrical connector Daisuke Sasaki 2011-04-26