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

Leonard Y. Nelson — 11 Patents

KEKorry Electronics: 3 patents #5 of 20Top 25%
UWUniversity Of Washington: 3 patents #341 of 2,234Top 20%
CHChromologic: 1 patents #4 of 6Top 70%
UEUS Dept of Energy: 1 patents #1,355 of 5,099Top 30%
Seattle, WA: #2,698 of 21,776 inventorsTop 15%
Washington: #9,483 of 76,902 inventorsTop 15%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Leonard Y. Nelson has been granted 11 US patents while listed as an inventor at Korry Electronics. The first was granted in 1982 and the most recent in March 2025. Leonard Y. Nelson ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Leonard Y. Nelson in Seattle, WA, US.

Patents per Year

Patents granted per year, 1982 to 2025Bar chart with a peak of 2 patents in 2018.peak 21982: 1 patents19821985: 1 patents19851989: 1 patents19891999: 1 patents19992005: 1 patents20052018: 2 patents20182019: 1 patents20192021: 1 patents20212022: 1 patents20222025: 1 patents2025

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12241901 Systems and methods for accurate optical pH sensing of biofilms Eric J. Seibel, Manuja Sharma, Jasmine Graham 2025-03-04
11478567 Photosensitive medical tape Eric J. Seibel 2022-10-25
10888230 Dental demineralization detection, methods and systems Eric J. Seibel 2021-01-12
10341555 Characterization of a physical object based on its surface roughness Naresh Menon, Gregory Bearman 2019-07-02
10080484 Multispectral wide-field endoscopic imaging of fluorescence Chenying Yang, Eric J. Seibel, Timothy D. Soper 2018-09-25
9901256 Dental demineralization detection, methods and systems Eric J. Seibel, Liang Zhang, Richard S. Johnston, Charles David Melville, Cameron M. Lee +1 more 2018-02-27
6852266 Ultrasonic assisted deposition of anti-stick films on metal oxides Timothy R. Robinson 2005-02-08
5909085 Hybrid luminosity control system for a fluorescent lamp 1999-06-01
4878722 Wavelength encoded optical switches John R. Green, Carol Wong 1989-11-07
4492862 Method and apparatus for analyzing components of hydrocarbon gases recovered from oil, natural gas and coal drilling operations Jack Grynberg, Stephen E. Moody 1985-01-08
4318057 Optically pumped isotopic ammonia laser system Melvin I. Buchwald, Claude R. Jones 1982-03-02