Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Harmonic Drive Systems › Jun Handa
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Jun Handa — 22 Patents

HSHarmonic Drive Systems: 21 patents #5 of 147Top 4%
HSHitachi Automotive Systems: 2 patents #689 of 1,636Top 45%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
Adumino, JP: #50 of 288 inventorsTop 20%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
Jun Handa has been granted 22 US patents while listed as an inventor at Harmonic Drive Systems. The first was granted in 2016 and the most recent in February 2025. Jun Handa ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Jun Handa in Adumino, JP.

Patents per Year

Patents granted per year, 2016 to 2025Bar chart with a peak of 8 patents in 2019.peak 82016: 1 patents20162017: 1 patents20172019: 8 patents20192020: 1 patents20202021: 5 patents20212022: 4 patents20222024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
12215768 Strain wave gearing Kazumasa Furuta, Nozomu Tanioka 2025-02-04
12018740 Strain wave gearing Nozomu Tanioka 2024-06-25
D971978 Speed reducer Hiroaki Kimura, Yoshihide Kiyosawa 2022-12-06
11441650 Rotation transmission mechanism provided with strain wave gearing Hiroaki Kimura, Sotaro Miyake 2022-09-13
11391351 Rotation transmission mechanism provided with strain wave gearing Hiroaki Kimura, Sotaro Miyake 2022-07-19
11280370 Dual-type strain wave gearing Hiroaki Kimura 2022-03-22
D937332 Speed reducer Hiroaki Kimura, Yoshihide Kiyosawa 2021-11-30
11092223 Dual-type strain wave gearing Yoshihide Kiyosawa, Noboru Takizawa, Xin Yue Zhang 2021-08-17
11028915 Flat strain wave gearing Hiroaki Kimura, Sotaro Miyake 2021-06-08
11002349 Rotation transmission mechanism provided with strain wave gearing Hiroaki Kimura, Sotaro Miyake 2021-05-11
10907716 Wave generator for strain wave gearing Sotaro Miyake, Hiroaki Kimura, Hideo Yasue 2021-02-02
10634230 Strain wave gearing and wave generator Hiroaki Kimura, Sotaro Miyake 2020-04-28
10400666 Variable compression ratio mechanism for internal combustion engine Ryosuke Hiyoshi, Yoshiaki Tanaka, Yoshihide Kiyosawa, Kishiro NAGAI, Junichiro Onigata +1 more 2019-09-03
10400667 Variable compression ratio mechanism for internal combustion engine Ryosuke Hiyoshi, Yoshiaki Tanaka, Yoshihide Kiyosawa, Kishiro NAGAI, Junichiro Onigata +1 more 2019-09-03
10393227 Flat strain wave gearing Yoshihide Kiyosawa, Noboru Takizawa, Xin Yue Zhang 2019-08-27
10309513 Dual-type strain wave gearing Yoshihide Kiyosawa, Noboru Takizawa, Xinyue Zhang 2019-06-04
10295037 Dual-type strain wave gearing Yoshihide Kiyosawa, Noboru Takizawa, Xinyue Zhang 2019-05-21
10253863 Dual-type strain wave gearing Yoshihide Kiyosawa, Xinyue Zhang, Noboru Takizawa 2019-04-09
10253862 Dual-type strain wave gearing Yoshihide Kiyosawa, Noboru Takizawa, Xin Yue Zhang 2019-04-09
10197145 Dual-type strain wave gearing Yoshihide Kiyosawa, Xin Yue Zhang, Noboru Takizawa 2019-02-05
9772021 Rotary actuator and strain wave gearing reduction drive unit Yu NAKAGAWA, Yoshihide Kiyosawa 2017-09-26
9371900 Hollow strain wave gearing Yoshihide Kiyosawa 2016-06-21

Frequent Collaborators

Yoshihide Kiyosawa13 shared
Hiroaki Kimura9 shared
Noboru Takizawa7 shared
Sotaro Miyake6 shared
Xin Yue Zhang4 shared
Xinyue Zhang3 shared

Nearby-Ranked Inventors

David A. Bierdeman22
Ryan M. Stone22
Kai-Uwe Schmidt22
Satoshi Yoneda22
Rene Frigiere22
Wayne Thomas McHugh22
Michael Bachmann22
Kimberly Rae Saviers22
Qinda Ye22