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

I Soo Lee — 4 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Seoul, KR: #12,506 of 39,741 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
I Soo Lee has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 1988 and the most recent in November 2025. I Soo Lee ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list I Soo Lee in Seoul, KR.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12471321 Oxide thin film transistor including photocatalyst layer and method for manufacturing the same Hyun-Jae Kim, Jong Bin An, Sunwook Jung, Kunho Moon, Jong Hwan Ahn +1 more 2025-11-11
6710581 Constant-power brushless DC motor 2004-03-23
4882524 Multi-phase bipolar brushless D.C. motor 1989-11-21
4730150 D.C. multi-phase bi-polar brushless motor Jung Seop Lee 1988-03-08