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

Takashi Kojima — 177 Patents

DCDwango Co.: 39 patents #1 of 56Top 2%
Denso: 20 patents #415 of 11,792Top 4%
Nec: 14 patents #843 of 14,502Top 6%
Toyota: 13 patents #2,130 of 26,838Top 8%
PCPowdertech Co.: 12 patents #9 of 66Top 15%
MCMitsubishi Gas Chemical Company: 12 patents #143 of 1,727Top 9%
Sony: 11 patents #4,043 of 25,231Top 20%
SESeiko Epson: 6 patents #2,663 of 7,774Top 35%
Tdk: 6 patents #953 of 3,796Top 30%
FIFujifilm Business Innovation: 4 patents #505 of 1,659Top 35%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
MLMitsubishi Petrochemical Company Limited: 3 patents #122 of 670Top 20%
Honda Motor Co.: 3 patents #6,619 of 21,052Top 35%
JTJtekt: 3 patents #557 of 1,969Top 30%
NCNippondenso Co.: 2 patents #1,150 of 3,479Top 35%
CCChukyo Medical Co.: 2 patents #3 of 6Top 50%
SCSumitomo Chemical: 2 patents #1,792 of 4,033Top 45%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
NSNippon Soken: 2 patents #546 of 1,540Top 40%
QOQoncept: 1 patents #3 of 8Top 40%
RPRaqualia Pharma: 1 patents #33 of 69Top 50%
SCSanten Pharmaceutical Co.: 1 patents #178 of 291Top 65%
CCCse Co.: 1 patents #5 of 11Top 50%
SCShibaura Engineering Works Co.: 1 patents #8 of 28Top 30%
TLTakeda Pharmaceutical Company Limited: 1 patents #859 of 1,531Top 60%
The Yokohama Rubber Co.: 1 patents #666 of 1,136Top 60%
TMToyoda Van Moppes: 1 patents #16 of 39Top 45%
TCTs Tech Co.: 1 patents #323 of 561Top 60%
YAYazaki: 1 patents #2,077 of 3,427Top 65%
CACalsonic: 1 patents #72 of 204Top 40%
Brother Kogyo: 1 patents #2,155 of 2,767Top 80%
HCHitec Co.: 1 patents #14 of 21Top 70%
ACAkebono Research And Development Centre: 1 patents #29 of 79Top 40%
INInax: 1 patents #78 of 242Top 35%
TLToyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
KAKao: 1 patents #1,961 of 3,221Top 65%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
HCHakko Electric Machine Works Co.: 1 patents #8 of 14Top 60%
FCFuji Manufacturing Co.: 1 patents #14 of 29Top 50%
DCDainippon Ink And Chemicals: 1 patents #446 of 1,002Top 45%
Overall (All Time): #4,379 of 4,157,543Top 1%
177 Patents All Time

Issued Patents All Time

Showing 26–50 of 177 patents

Patent #TitleCo-InventorsDate
11763648 Monitoring system, monitoring apparatus, monitoring method, and computer readable medium 2023-09-19
11729435 Content distribution server, content distribution method and content distribution program Nobuo Kawakami, Hiroaki Saito 2023-08-15
11680817 Surrounding information collection system and surrounding information acquisition apparatus Shintaro Iwaasa, Naoki Yamamuro, Masato Endo, Daishi Terato, Masakazu Nomura +1 more 2023-06-20
11651881 Mn—Zn ferrite particles, resin molded body, soft magnetic mixed powder, and magnetic core Kazutaka ISHII, Takao Sugiura, Tetsuya Igarashi, Koji Aga 2023-05-16
11625858 Video synthesis device, video synthesis method and recording medium Nobuo Kawakami, Shinnosuke IWAKI, Toshihiro Shimizu, Hiroaki Saito 2023-04-11
11623144 Intervention server and intervention program Nobuo Kawakami, Hiroaki Saito 2023-04-11
11603131 Control device and turning device Yuji Kariatsumari 2023-03-14
11584429 Control device, steering device, control method, and recording medium Yuichi Miura 2023-02-21
11572926 Iron oxide powder for brake friction material Koji Aga 2023-02-07
11540713 Keratoconus determination apparatus and storage medium 2023-01-03
11542174 Ferrite particles, resin compositions and electromagnetic wave shielding material Kazutaka ISHII, Takao Sugiura, Tetsuya Igarashi, Koji Aga 2023-01-03
11531401 Data replacement apparatus, computing device, and program for user and avatar coordination Nobuo Kawakami, Kentarou Matsui, Shinnosuke IWAKI, Naoki Yamaguchi 2022-12-20
11521768 Ferrite powder, resin composition, and molded body Kazutaka ISHII, Koji Aga, Takao Sugiura 2022-12-06
11477507 Content distribution system, content distribution method, and computer program Nobuo Kawakami, Shinnosuke IWAKI, Toshihiro Shimizu, Hiroaki Saito 2022-10-18
11474765 Information processing apparatus, information processing system, and non-transitory computer readable medium Takemichi Ushiro, Katsuhito Habaguchi, Masahiko Yajima 2022-10-18
11453437 Control device and steering device Yuichi Miura, Yuji Kariatsumari 2022-09-27
11441922 Surrounding information collection system and surrounding information acquisition apparatus Shintaro Iwaasa, Naoki Yamamuro, Masato Endo, Daishi Terato, Masakazu Nomura +1 more 2022-09-13
11425461 Content distribution server, content distribution system, content distribution method, and program Nobuo Kawakami, Kentarou Matsui, Shinnosuke IWAKI, Naoki Yamaguchi 2022-08-23
11404993 Motor drive system and robot 2022-08-02
11399212 Terminal device application program, terminal device control method, terminal device, and live broadcast distribution server program providing questionnaire creation by terminal device Junya Oe 2022-07-26
11369884 Distribution server, distribution system, distribution method, and program Kazuomi NIWA 2022-06-28
11367260 Video synthesis device, video synthesis method and recording medium Nobuo Kawakami, Shinnosuke IWAKI, Toshihiro Shimizu, Hiroaki Saito 2022-06-21
11359689 Iron oxide powder for brake friction material Koji Aga 2022-06-14
11318842 First train-installed device, method, and recording medium 2022-05-03
11309859 Noise filter Atsuhiro Takahashi, Katsuya Nomura 2022-04-19