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

Qigen Ji — 14 Patents

Apple: 13 patents #2,537 of 18,612Top 15%
Fairfield, CA: #13 of 240 inventorsTop 6%
California: #43,920 of 386,348 inventorsTop 15%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Qigen Ji has been granted 14 US patents while listed as an inventor at Apple. The first was granted in 2017 and the most recent in December 2025. Qigen Ji ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Qigen Ji in Fairfield, CA, US.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12486938 Pipeline inspection robot with crisscross structure-changeable crawler belts and control method thereof Aiguo SONG, Shaohu Wang, Huan LI, Tianyuan MIAO, Yuefeng Xu +1 more 2025-12-02
12411558 Keyboard accessory for electronic device Santhana K. Balaji, Jaime G. Chavez Ruiz Garza, Blake R. Marshall, Robert U. Liu, Chen Zheng +5 more 2025-09-09
12127651 Items with hidden magnets Nicholas R. Trincia, Chihchen Sun, Yang Zhou, Jenna L. Withrow, Jack Pickup +1 more 2024-10-29 $278,906,000
11944167 Wristbands with magnetic coupling Zaki Moustafa, Caitlin M. MCLAIN, Clayton J. McCoy, Hao Zhu, Hsiang Hung Chen +2 more 2024-04-02 $162,541,000
11923134 Magnet alternating pole array magnetized by one side magnetization to boost magnetic attraction force 2024-03-05 $135,445,000
11589657 Wristbands with magnetic coupling Zaki Moustafa, Hsiang Hung Chen, Stephen E. Dey, Hao Zhu 2023-02-28 $171,651,000
11553766 Wristbands with magnetic coupling Zaki Moustafa, Caitlin M. MCLAIN, Clayton J. McCoy, Hao Zhu, Hsiang Hung Chen +2 more 2023-01-17 $260,064,000
11206473 Magnet array for securing wireless listening devices Hao Zhu, Haochuan Sang, Benjamin A. Cousins, Meiting Wu 2021-12-21 $426,305,000
11033083 Wristbands with magnetic coupling Zaki Moustafa, Hsiang Hung Chen, Stephen E. Dey, Hao Zhu 2021-06-15 $253,822,000
11031164 Attachment devices for inductive interconnection systems Blake R. Marshall, Florence W. Ow, Joel N. Ruscher, Liquan Tan, Aidan N. Zimmerman +6 more 2021-06-08 $378,421,000
10725515 Inductive interconnection system Blake R. Marshall, Florence W. Ow, Joel N. Ruscher, Liquan Tan, Aidan N. Zimmerman +6 more 2020-07-28 $157,336,000
10225384 Magnetic pairing for lateral restoring force 2019-03-05 $88,700,000
10210975 Case for a portable electronic device Hao Zhu 2019-02-19 $85,603,000
9829981 Haptic output device 2017-11-28 $48,139,000