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

Qi Fu — 31 Patents

Basf Se: 11 patents #1,483 of 13,826Top 15%
DCDelta Electronics (Shanghai) Co.: 9 patents #51 of 555Top 10%
DEDelta Electronics: 8 patents #203 of 2,746Top 8%
TUTufts University: 2 patents #39 of 247Top 20%
CACabot: 1 patents #336 of 601Top 60%
NCN.E. Chemcat: 1 patents #64 of 136Top 50%
Solon, OH: #24 of 517 inventorsTop 5%
Ohio: #1,689 of 73,341 inventorsTop 3%
Overall (All Time): #115,823 of 4,157,543Top 3%
31 Patents All Time
Qi Fu has been granted 31 US patents while listed as an inventor at Basf Se. The first was granted in 2010 and the most recent in July 2024. Qi Fu ranks #115,823 of 4,157,543 US inventors in our database (top 2.8%). Patent records list Qi Fu in Solon, OH, US.

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12027299 Winding assembly and magnetic element Haibin Song, Daofei Xu, Zengyi Lu, Jinfa Zhang 2024-07-02
11949340 Conversion device and control method thereof for controlling a peak value of a current of a primary side switch Hai-Bin SONG, Jian Zhou, Dao-Fei XU, Jin-Fa Zhang 2024-04-02
D1005953 Magnetic core Haibin Song, Daofei Xu, Jinfa Zhang 2023-11-28
D997876 Magnetic core Haibin Song, Daofei Xu, Jinfa Zhang 2023-09-05
11581119 Magnetic device and method of manufacturing the same Haibin Song, Daofei Xu, Jinfa Zhang 2023-02-14
11575315 Totem-pole power factor correction circuit Haibin Song, Daofei Xu, Jinfa Zhang 2023-02-07
11489440 Power factor correction circuit Haibin Song, Jian Zhou, Daofei Xu, Jinfa Zhang 2022-11-01
11439992 Process for preparing iron(III)-exchanged zeolite composition Barbara Slawski, Peter Pfab 2022-09-13
11344868 Selective catalytic reduction articles and systems Jeff Yang, Wen-Mei Xue, Stanley A. Roth, Kenneth E. Voss, Subramanian Prasad +3 more 2022-05-31
11264914 Converter and control method thereof Hai-Bin SONG, Jian Zhou, Dao-Fei XU, Jin-Fa Zhang 2022-03-01
D912626 Magnetic core Haibin Song, Daofei Xu, Jinfa Zhang 2021-03-09
10938312 Converter and control method thereof Hai-Bin SONG, Jian Zhou, Dao-Fei XU, Jin-Fa Zhang 2021-03-02
10906032 Exhaust gas treatment catalysts Xiaolai Zheng, Michel Deeba, Xiaofan Yang, Knut Wassermann, Makoto Nagata +2 more 2021-02-02
10879807 Flyback converter and control method thereof Hai-Bin SONG, Jian Zhou, Dao-Fei XU, Jin-Fa Zhang 2020-12-29
10850265 Molecular sieve catalyst compositions, catalytic composites, systems, and methods Xiaofan Yang, John K. Hochmuth, Wen-Mei Xue, Xiaoming Wang, Matthew Tyler Caudle +3 more 2020-12-01
10786808 Molecular sieve catalyst compositions, catalyst composites, systems, and methods Natalia Trukhan, Ulrich Müller, Michael Breen, Barbara Slawski, Jaya L. Mohanan +4 more 2020-09-29
10710059 Process for preparing iron(III)-exchanged zeolite composition Barbara Slawski, Peter Pfab 2020-07-14
10651746 Synchronous rectifier control for a flyback converter with an active clamp Hai-Bin SONG, Dao-Fei XU, Jian Zhou, Le Yang, Jin-Fa Zhang 2020-05-12
10651749 Flyback converter with a passive clamp Hai-Bin SONG, Dao-Fei XU, Jian Zhou, Le Yang, Jin-Fa Zhang 2020-05-12
10644606 Converter and control method thereof Hai-Bin SONG, Jian Zhou, Dao-Fei XU, Jin-Fa Zhang 2020-05-05
10541616 Power adaptor Hai-Bin SONG, Jin-Fa Zhang, Dao-Fei XU, Jian Zhou, Xiao-Jun Chen +1 more 2020-01-21
10177668 Converter and control method thereof Hai-Bin SONG, Dao-Fei XU, Jian Zhou, Le Yang, Jin-Fa Zhang 2019-01-08
10066170 Rare earth-containing attrition resistant vanadium trap for catalytic cracking catalyst Walter Babbitt, Mark Schmalfeld, Chandrashekhar P. Kelkar 2018-09-04
9991811 Control method and control apparatus for flyback circuit Haibin Song, Daofei Xu, Jinfa Zhang, Jian Zhou, Leyang Yang 2018-06-05
9764313 Molecular sieve catalyst compositions, catalyst composites, systems, and methods Natalia Trukhan, Ulrich Müller, Michael Breen, Barbara Slawski, Jaya L. Mohanan +4 more 2017-09-19