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

Young Chul Ryu — 6 Patents

Disney: 3 patents #2,043 of 6,686Top 35%
FSFairchild Korea Semiconductor: 2 patents #117 of 311Top 40%
RARenesas Electronics America: 1 patents #121 of 293Top 45%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Young Chul Ryu has been granted 6 US patents while listed as an inventor at Disney. The first was granted in 2007 and the most recent in September 2024. Young Chul Ryu ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Young Chul Ryu in Seojong-myeon, CA, KR.

Patents per Year

Patents granted per year, 2007 to 2024Bar chart with a peak of 2 patents in 2017.peak 22007: 1 patents20072008: 1 patents20082015: 1 patents20152017: 2 patents20172024: 1 patents2024

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12100972 Foreign object detection based on transmitter input parameter Chan Young Jeong, Tao QI, Kwangmuk Choi, Pooja Agrawal, Krishal Jaswantsinh Solanki +1 more 2024-09-24
9831772 Resonant converter with synchronous rectifier feedback Jinho Choi, Wanfeng Zhang, Chang-yi Qian 2017-11-28 $7,501,000
9692316 Bleeder method using switch node coupling capacitor for TRIAC dimming of solid state lighting Chang-yi Qian, Wanfeng Zhang 2017-06-27 $11,044,000
9179523 Start-up voltage for solid-state lighting controller Jinho Choi, Wanfeng Zhang, Chang-yi Qian 2015-11-03 $2,164,000
7391629 Switching mode power supply with controller for handling overcurrents Jin Ho Choi 2008-06-24 $6,562,000
7218532 Switching mode power supply Jin Ho Choi, Dong-Young Huh 2007-05-15 $8,219,000