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

Caster Lighting — 5 Patents

Rank (All Time): #97,360 of 105,732Top 95%
3 inventors
5 Patents All Time

Patents per Year

Patents granted per year, 1994 to 2014Bar chart with a peak of 2 patents in 1994.peak 21994: 2 patents19941998: 1 patents19982000: 1 patents20002014: 1 patents2014

Top Inventors at Caster Lighting All Time

Showing 1–3 of 3 inventors

RankNamePatents
1 Frank Tsao 3
2 Cheng-Chen Chang 1
2 Wen Chung Tsao 1