Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Door & Window Hardware — 18 Patents

Rank (All Time): #33,404 of 106,120Top 35%
13 inventors
18 Patents All Time

Top Inventors at Door & Window Hardware All Time

Showing 1–13 of 13 inventors

RankNamePatents
1 Wei-Hung Chang 10
2 Sung-Hui Lin 6
3 Chih-Lun Hsieh 4
#4 Fanny Chiang 2
#4 James Chang 2
#6 Ching-Ko Lin 1
#6 Dong-Shiuan Tsai 1
#6 Hong Yan 1
#6 Hsing-Hui Huang 1
#6 Jung-Chang Peng 1
#6 Ko-Yu Chang 1
#6 Tung-Hsuan Tsai 1
#6 Yi-Ming Lin 1