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

Ryota Kojima — 14 Patents

KOKosmek: 7 patents #7 of 34Top 25%
Denso: 2 patents #4,986 of 11,792Top 45%
Toyota: 2 patents #11,016 of 26,838Top 45%
MTMirise Technologies: 2 patents #37 of 133Top 30%
MSMitsubishi Heavy Industries Thermal Systems: 2 patents #71 of 149Top 50%
BOBridgestone Americas Tire Operations: 1 patents #209 of 375Top 60%
FLFujitsu Semiconductor Limited: 1 patents #612 of 1,301Top 50%
NCNichirin Co.: 1 patents #7 of 24Top 30%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Ryota Kojima has been granted 14 US patents while listed as an inventor at Kosmek. The first was granted in 2012 and the most recent in September 2025. Ryota Kojima ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Ryota Kojima in Nisshin, OH, JP.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12417875 Electronic device Masahiro Tsuchida, Akihiro Yamaguchi 2025-09-16
12289048 Semiconductor module Akihiro Yamaguchi 2025-04-29
12103360 Vehicle-mounted air conditioner control device, and vehicle Hidetaka Sato, Tomoyasu Osaki, Keiji Nagasaka 2024-10-01
11923135 Magnetic clamp device 2024-03-05
11869711 Magnetic clamp device 2024-01-09
11413842 Rubber laminate and flexible hose using same Kenji Miki, Yasushi Takeo 2022-08-16
11331981 On-board air conditioner control device, and vehicle Hidetaka Sato, Tomoyasu Osaki, Keiji Nagasaka 2022-05-17
11305389 Electric clamping device 2022-04-19
11060537 Cylinder device 2021-07-13
10508665 Cylinder device Masahiro Yoshimi, Hideaki Yokota 2019-12-17
10385889 Cylinder device 2019-08-20
D830290 Tire 2018-10-09
8821746 Fabrication method of semiconductor device and chemical mechanical polishing apparatus 2014-09-02
8292280 Device for detecting operation of clamp Hideaki Yokota 2012-10-23