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

Koji Okada

Kabushiki Kaisha Toshiba: 59 patents #884 of 21,451Top 5%
Canon: 12 patents #5,447 of 19,416Top 30%
KAKaneka: 12 patents #66 of 1,525Top 5%
FLFujitsu Semiconductor Limited: 11 patents #35 of 1,301Top 3%
JSJsr: 8 patents #130 of 1,137Top 15%
Fujitsu Limited: 8 patents #3,989 of 24,456Top 20%
Cypress Semiconductor: 7 patents #267 of 1,852Top 15%
YPYokosuka Telecom Research Park: 5 patents #2 of 12Top 20%
KCKobelco Construction Machinery Co.: 3 patents #130 of 422Top 35%
FCFurukawa Electric Co.: 3 patents #622 of 2,370Top 30%
YCYanegijutsukenkyujo Co.: 2 patents #5 of 8Top 65%
Kubota: 2 patents #849 of 2,059Top 45%
SLSpansion Llc.: 2 patents #309 of 769Top 45%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
SGStyron Europe Gmbh: 2 patents #7 of 73Top 10%
KKKanegafuchi Kagaku Kogyo: 2 patents #226 of 691Top 35%
TSToshiba Digital Solutions: 1 patents #75 of 245Top 35%
FUFuji: 1 patents #263 of 422Top 65%
HMHowa Machinery: 1 patents #54 of 89Top 65%
Denso: 1 patents #6,940 of 11,792Top 60%
Hitachi: 1 patents #17,742 of 28,497Top 65%
NINgk Insulators: 1 patents #1,271 of 2,083Top 65%
NINippn: 1 patents #10 of 40Top 25%
NCNippondenso Co.: 1 patents #1,765 of 3,479Top 55%
SISeiko Instruments: 1 patents #836 of 1,437Top 60%
SHShimadzu: 1 patents #1,152 of 2,007Top 60%
SCSumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
TCTechno Polymer Co.: 1 patents #33 of 68Top 50%
Tochigi, JP: #11 of 2,789 inventorsTop 1%
Overall (All Time): #10,496 of 4,157,543Top 1%
117 Patents All Time

Issued Patents All Time

Showing 26–50 of 117 patents

Patent #TitleCo-InventorsDate
9527932 Method for producing denatured conjugated diene polymer Hiroyuki Morita, Takeshi Yuasa, Koichiro Tani, Naoya Nosaka, Ryouji Tanaka 2016-12-27
9426131 Server apparatus and program to re-encrypt ciphertext data Ryotaro Hayashi, Tatsuyuki Matsushita, Yoshihiro Fujii, Takuya Yoshida 2016-08-23
9386016 System and device for authentication Hidehisa Takamizawa, Asahiko Yamada, Tomoaki Morijiri, Tatsuro Ikeda, Minoru Nishizawa +1 more 2016-07-05
9373621 Analog circuit cell array having some transistors that include two connected gate electrodes and two connected source regions Kenta Aruga, Suguru Tachibana 2016-06-21
9365704 Rubber composition, method for producing same, and tire Masahiro Shibata 2016-06-14
9309388 Rubber composition, method for producing same, and tire Ryoji Tanaka 2016-04-12
9267004 Polyimide precursor composition and use thereof Yoshihide Sekito 2016-02-23
9246683 Re-encryption key generator, re-encryption apparatus, and program Ryotaro Hayashi, Tatsuyuki Matsushita, Yoshihiro Fujii, Takuya Yoshida 2016-01-26
9172523 Image pickup apparatus, lens apparatus, and image pickup system 2015-10-27
9145485 Rubber composition and process for production thereof, and tire Ryoji Tanaka, Yoshiyuki Udagawa 2015-09-29
9129262 Shop apparatus and purchaser apparatus Takuya Yoshida, Minako Tada, Norikazu Hosaka, Takehisa Kato 2015-09-08
8962760 Rubber composition, production method therefor and tire Takeshi Yuasa 2015-02-24
8915328 Construction machine 2014-12-23
8910448 Roof-installed object securing device Katsuyuki Okado 2014-12-16
8898193 Method and apparatus for controlling replication processing of object Tatsuro Ikeda, Norikazu Hosaka, Fumihiko Sano, Toshio Okamoto 2014-11-25
8863305 File-access control apparatus and program Tatsuro Ikeda, Masataka Yamada, Minoru Nishizawa, Takanori Nakamizo, Toshio Okamoto 2014-10-14
8786358 Reference voltage circuit and semiconductor integrated circuit Yoshiyuki Endo, Kenta Aruga, Suguru Tachibana 2014-07-22
8732461 Client apparatus, server apparatus, and program using entity authentication and biometric authentication Yoshihiro Fujii, Tatsuro Ikeda, Tomoaki Morijiri, Minoru Nishizawa, Hidehisa Takamizawa +1 more 2014-05-20
8719950 Access control apparatus and storage medium Tatsuro Ikeda, Norikazu Hosaka, Toshio Okamoto 2014-05-06
8688969 Cryptographic management apparatus, decryption management apparatus and program Shingo Miyazaki, Takanori Nakamizo, Akito Niwa, Kouya Tochikubo, Shigeyuki Fukushima +3 more 2014-04-01
8651218 Construction machine 2014-02-18
8638140 PLL circuit 2014-01-28
8578446 Authentication apparatus and entity device Hidehisa Takamizawa, Tomoaki Morijiri, Tatsuro Ikeda, Minoru Nishizawa, Yoshihiro Fujii +1 more 2013-11-05
8519874 Successive approximation A/D converter Kenta Aruga, Suguru Tachibana, Sanroku Tsukamoto 2013-08-27
8511009 Securing configuration of solar cell module Shuichi Kobayashi, Takayoshi Yamanaka 2013-08-20