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

Jianjun Cao — 63 Patents

ECEfficient Power Conversion: 29 patents #1 of 35Top 3%
IRInternational Rectifier: 26 patents #12 of 432Top 3%
Comcast: 4 patents #969 of 4,447Top 25%
Infineon Technologies Ag: 2 patents #3,286 of 184Top 1790%
JUJiangnan University: 1 patents #442 of 1,321Top 35%
GCGd Midea Air-Conditioning Equipment Co.: 1 patents #138 of 249Top 60%
MCMidea Group Co.: 1 patents #396 of 926Top 45%
Torrance, CA: #15 of 2,137 inventorsTop 1%
California: #5,396 of 386,348 inventorsTop 2%
Overall (All Time): #35,470 of 4,157,543Top 1%
63 Patents All Time
Jianjun Cao has been granted 63 US patents while listed as an inventor at Efficient Power Conversion. The first was granted in 2003 and the most recent in March 2025. Jianjun Cao ranks #35,470 of 4,157,543 US inventors in our database (top 0.85%). Patent records list Jianjun Cao in Torrance, CA, US.

Issued Patents All Time

Showing 1–25 of 63 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12261168 Gate metal-insulator-field plate metal integrated circuit capacitor and method of forming the same Gordon Stecklein, Muskan Sharma 2025-03-25
11121245 Field plate structures with patterned surface passivation layers and methods for manufacturing thereof Jie Hu, Yoganand Saripalli, Muskan Sharma 2021-09-14
11101349 Lateral power device with reduced on-resistance Wen-Chia LIAO, Fang Liu, Muskan Sharma 2021-08-24
11055839 Method for fast judging and optimizing light emitting quality of light guide plate based on image processing technology Shumei Gao, Ping Li, Weiying Qian, Yan Kong 2021-07-06
11050339 Integrated circuit with multiple gallium nitride transistor sets David C. Reusch, Alexander Lidow 2021-06-29
10622455 Enhancement-mode GaN transistor with selective and nonselective etch layers for improved uniformity in GaN spacer thickness Robert Beach, Guangyuan Zhao, Yoganand Saripalli, Zhikai Tang 2020-04-14
10601300 Integrated gallium nitride based DC-DC converter David C. Reusch, Alexander Lidow 2020-03-24
10600674 Semiconductor devices with back surface isolation Alexander Lidow, Robert Beach, Johan Tjeerd Strydom, Alana Nakata, Guangyuan Zhao 2020-03-24
10508818 Window air conditioner with side insulating sealing assembly Qiang Xu, Haiping Zhou 2019-12-17
10312131 Semiconductor devices with back surface isolation Alexander Lidow, Robert Beach, Johan Tjeerd Strydom, Alana Nakata, Guangyuan Zhao 2019-06-04
10312335 Gate with self-aligned ledge for enhancement mode GaN transistors Alexander Lidow, Alana Nakata 2019-06-04
10312260 GaN transistors with polysilicon layers used for creating additional components Robert Beach, Alexander Lidow, Alana Nakata, Guangyuan Zhao, Yanping Ma +8 more 2019-06-04
10096702 Multi-step surface passivation structures and methods for fabricating same Robert Beach, Robert Strittmatter, Chunhua Zhou, Guangyuan Zhao 2018-10-09
10090274 Flip chip interconnection with reduced current density Robert Strittmatter, Seshadri Kolluri, Robert Beach, Alana Nakata 2018-10-02
9837438 GaN transistors with polysilicon layers used for creating additional components Robert Beach, Alexander Lidow, Alana Nakata, Guangyuan Zhao, Yanping Ma +8 more 2017-12-05
9748347 Gate with self-aligned ledged for enhancement mode GaN transistors Alexander Lidow, Alana Nakata 2017-08-29
9711614 Fabrication of III-nitride power device with reduced gate to drain charge Sadiki Jordan 2017-07-18
9607876 Semiconductor devices with back surface isolation Alexander Lidow, Robert Beach, Johan Tjeerd Strydom, Alana Nakata, Guang Yuan Zhao 2017-03-28
9583480 Integrated circuit with matching threshold voltages and method for making same Robert Beach, Alexander Lidow, Alana Nakata, Robert Strittmatter, Guangyuan Zhao +7 more 2017-02-28
9472626 High performance III-nitride power device Robert Beach, Zhi He 2016-10-18
9331191 GaN device with reduced output capacitance and process for making same Stephen L. Colino, Robert Beach, Alexander Lidow, Alana Nakata, Guangyuan Zhao +9 more 2016-05-03
9214528 Method to fabricate self-aligned isolation in gallium nitride devices and integrated circuits Chunhua Zhou, Alexander Lidow, Robert Beach, Alana Nakata, Robert Strittmatter +6 more 2015-12-15
9214399 Integrated circuit with matching threshold voltages and method for making same Robert Beach, Alexander Lidow, Alana Nakata, Robert Strittmatter, Guangyuan Zhao +7 more 2015-12-15
9214461 GaN transistors with polysilicon layers for creating additional components Robert Beach, Alexander Lidow, Alana Nakata, Guangyuan Zhao, Yanping Ma +8 more 2015-12-15
9171911 Isolation structure in gallium nitride devices and integrated circuits Chunhua Zhou, Alexander Lidow, Robert Beach, Alana Nakata, Robert Strittmatter +6 more 2015-10-27