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

Koichi Okada

NTNtn: 30 patents #31 of 1,364Top 3%
Canon: 14 patents #4,747 of 19,416Top 25%
HIHitachi: 13 patents #3,142 of 28,497Top 15%
Fujitsu Limited: 9 patents #3,538 of 24,456Top 15%
KCKuraray Co.: 7 patents #214 of 1,827Top 15%
KDKuraray Noritake Dental: 7 patents #10 of 78Top 15%
KMKuraray Medical: 3 patents #2 of 36Top 6%
PAPanasonic: 3 patents #7,617 of 21,108Top 40%
FUFujifilm: 3 patents #1,989 of 4,519Top 45%
JCJgc Catalysts And Chemicals: 3 patents #37 of 139Top 30%
Nichia: 3 patents #567 of 1,531Top 40%
NINgk Insulators: 1 patents #1,271 of 2,083Top 65%
NENec: 1 patents #7,889 of 14,502Top 55%
DIDai Nippon Insatsu: 1 patents #197 of 371Top 55%
NCNtn Toyo Bearing Co.: 1 patents #30 of 90Top 35%
PCPegasus Sewing Machine Mfg. Co.: 1 patents #29 of 65Top 45%
SCSanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
SOSortec: 1 patents #5 of 9Top 60%
SSSumitomo Wiring Systems: 1 patents #1,603 of 2,615Top 65%
TIToray Industries: 1 patents #2,000 of 3,690Top 55%
Iwata, JP: #2 of 782 inventorsTop 1%
Overall (All Time): #12,962 of 4,157,543Top 1%
106 Patents All Time

Issued Patents All Time

Showing 101–106 of 106 patents

Patent #TitleCo-InventorsDate
5127350 Method and apparatus for cutting cover thread in a multi-needle sewing machine Yoshikazu Kageyama, Takashi Ichimura 1992-07-07
5055497 Curable resinous composition Ikuo Omura 1991-10-08
4720626 IC card processing method and processing device therefor, and IC card Seiichi Nishikawa, Teruaki Shiro 1988-01-19
4702995 Method of X-ray lithography 1987-10-27
4686404 Controlled radial magnetic bearing device Tsugito Nakazeki, Shoji Nanami 1987-08-11
4423349 Green fluorescence-emitting material and a fluorescent lamp provided therewith Shigeharu Nakajima, Keiji Ichinomiya, Kaname Tsuchikura, Minoru Kashiwagi 1983-12-27