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

Lap Lee Chow — 5 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Tsuen Wan, CN: #79 of 485 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Lap Lee Chow has been granted 5 US patents while listed as an inventor at Unknown. The first was granted in 2004 and the most recent in July 2007. Lap Lee Chow ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Lap Lee Chow in Tsuen Wan, CN.

Patents per Year

Patents granted per year, 2004 to 2007Bar chart with a peak of 3 patents in 2004.peak 32004: 3 patents20042005: 1 patents20052007: 1 patents2007

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7247997 Electroluminescent lamp driving circuit and method Shing Chow, Lap Hang Chow 2007-07-24
6963164 Cold cathode fluorescent lamps Lap Hang Chow 2005-11-08
6825613 Mercury gas discharge device Shing Chow 2004-11-30
6815883 Cold cathode fluorescent lamp with a double-tube construction Shing Chow 2004-11-09
6707251 Flash discharge lamp Shing Chow 2004-03-16