Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JA

Junji Ando — 21 Patents

JTJtekt: 16 patents #49 of 1,969Top 3%
CCCnk Co.: 3 patents #1 of 18Top 6%
JAJtekt Automotive North America: 2 patents #3 of 12Top 25%
TKToyoda Koki Kabushiki Kaisha: 2 patents #222 of 674Top 35%
DYDynax: 1 patents #18 of 50Top 40%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
NCNhk Spring Co.: 1 patents #555 of 1,116Top 50%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
Junji Ando has been granted 21 US patents while listed as an inventor at Jtekt. The first was granted in 1986 and the most recent in April 2021. Junji Ando ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Junji Ando in Tokyo, MH, JP.

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10975924 Fluid control apparatus for use with vehicle clutches Patrick Desing, Shun Ono, Mike Kocevar, Kenji Korenaga 2021-04-13
10550898 Torque coupling system with lubricant management Patrick Desing, Shun Ono, Jeremy Grunn, Michael Kocevar 2020-02-04
9217196 Method for forming DLC film on spline shaft and hot cathode PIG plasma CVD device Tomoo Suzuki, Tomoki Ogawa, Akinori Iwai, Nobuyoshi Yoshimura, Hiroyuki Hashitomi 2015-12-22
9206860 Clutch plate and method of producing same Hiroyuki Ando, Kunihiko Suzuki, Tatsuki Shimura 2015-12-08
9188168 Clutch plate Kunihiko Suzuki, Kazutaka Matsukawa, Hiroyuki Ando, Takuya Tsuda 2015-11-17
9133891 Friction clutch plate, friction clutch and driving force transmission apparatus Hiroyuki Ando, Takuya Tsuda 2015-09-15
9080614 Clutch plate, clutch unit and driving force transmission system Takuya Tsuda, Hiroyuki Ando 2015-07-14
8734913 Formation method of coating Tomoo Suzuki, Tomoki Ogawa, Masahiro Suzuki, Kazuyoshi Yamakawa, Toshiya Kubo +2 more 2014-05-27
8518863 Sliding member Masahiro Suzuki, Kazuyoshi Yamakawa, Toshiyuki Saito, Tomoo Suzuki, Hiroyuki Hashitomi +1 more 2013-08-27
8337315 Propeller shaft Tomoo Suzuki, Tomoki Ogawa 2012-12-25
8167757 Limited slip differential and manufacturing method for limited slip differential Naoyuki Sakai, Hideyuki Saito, Yozo Yamashita 2012-05-01
7980376 Wet friction plate Yuta Nakano 2011-07-19
7963852 Spline shaft Yoshiaki Senga, Tomoo Suzuki, Kazunori Aoki, Toshiyuki Saito, Hirofumi Kuwabara 2011-06-21
7815028 Clutch plate, friction clutch, and coupling device Naoyuki Sakai, Toshifumi Sakai, Hajime Fukami, Toshiyuki Saito, Koji Nishi +3 more 2010-10-19
7803433 Amorphous carbon film forming method and device Naoyuki Sakai, Toshiyuki Saito, Kazuyuki Nakanishi, Hiroyuki Mori, Hideo Tachikawa +3 more 2010-09-28
7677375 Drive force transmission device Naoyuki Sakai, Toshifumi Sakai, Toshiyuki Saito, Hajime Fukami, Kazuyuki Nakanishi +2 more 2010-03-16
7520815 Constant velocity universal joint Kazuyuki Ichikawa, Isashi Kashiwagi, Hiroyuki Iwashita, Atsushi Ando, Yosei Ando +1 more 2009-04-21
7427439 Amorphous-carbon coated member Toshiyuki Saito, Kazuyuki Nakanishi, Hiroyuki Mori, Hideo Tachikawa 2008-09-23
7004297 Drive power transmission device Naoyuki Sakai, Akiyoshi Tashiro 2006-02-28
6920968 Clutch plate, friction clutch, and coupling device Toshifumi Sakai, Akiyoshi Tashiro, Naoyuki Sakai, Toshiyuki Saito 2005-07-26
4618019 Motorcycle Yoshihisa Hirose 1986-10-21 $2,746,000