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

Satoshi Ohta

Canon: 7 patents #7,830 of 19,416Top 45%
ACAsmo Co.: 6 patents #75 of 745Top 15%
TCToyoda Gosei Co.: 4 patents #572 of 2,296Top 25%
FDFdk: 4 patents #40 of 324Top 15%
Chevron: 4 patents #1,079 of 4,788Top 25%
Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
FLFujitsu Ten Limited: 3 patents #174 of 996Top 20%
YCYamaichi Electronics Co.: 2 patents #59 of 159Top 40%
OCOki Electric Industry Co.: 2 patents #947 of 2,807Top 35%
Sony: 1 patents #17,262 of 25,231Top 70%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
KCKoike Sanso Kogyo Co.: 1 patents #14 of 49Top 30%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
TKToa Nenryo Kogyo: 1 patents #121 of 220Top 60%
Yamaha: 1 patents #1,232 of 2,001Top 65%
ZOZojirushi: 1 patents #25 of 73Top 35%
Overall (All Time): #69,405 of 4,157,543Top 2%
43 Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
6023214 Sheet transformer Fumiaki Nakao, Tetsuya Suzuki, Mikio Kitaoka 2000-02-08
5982264 High frequency sheet-type transformer Fumiaki Nakao, Shinji Watanabe, Tetsuya Suzuki, Mikio Kitaoka 1999-11-09
5890393 Electric lock actuator 1999-04-06
5607907 Multipurpose functional fluid for agricultural machinery or construction machinery Hiroshi Watanabe, Michio Shiga 1997-03-04
5584206 Electric actuator 1996-12-17
5531329 IC carrier to which an IC can be mounted with the leads thereof supported in a non-contacting state Nanahiro Hayakawa 1996-07-02
5526710 Electric actuator 1996-06-18
5375710 IC carrier Nanahiro Hayakawa 1994-12-27
5367554 X-ray diagnostic apparatus of a circulatory organ system Tohru Kobayashi, Shuzo Yamamoto, Hiroshi Sakaniwa 1994-11-22
5159622 X-ray fluoroscopic imaging apparatus with extended imaging set up range Hiroshi Sakaniwa, Katsuhiko Koyama 1992-10-27
5155757 X-ray diagnosing apparatus Hiroshi Sakaniwa, Katsuhiko Koyama 1992-10-13
4902545 Boot for automobile Mashiro Takimoto, Yoshio Yamazaki, Haruyasu Mizutani 1990-02-20
4843224 IC card Kouzi Tanagawa 1989-06-27
4812634 IC card with a solar battery Kouzi Tanagawa, Hideo Yamamoto, Keiji Kumagai 1989-03-14
4761333 Steering wheel Masahiro Takimoto, Yoshio Yamazaki 1988-08-02
4734808 Tape guide for use in tape recorder Takaaki Kori 1988-03-29
4579775 Steering wheel for automobile Masahiro Takimoto 1986-04-01
4567217 Steering wheel made of soft resin Yoshio Yamazaki, Masahiro Takimoto 1986-01-28