Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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San Ford Machinery Co. — 45 Patents

Rank (All Time): #14,579 of 106,120Top 15%
5 inventors
45 Patents All Time

Top Inventors at San Ford Machinery Co. All Time

Showing 1–5 of 5 inventors

RankNamePatents
1 Yuan-Tai Cheng 22
2 Chieh-Yuan Cheng 14
3 Mao-Nan Cheng 8
#4 Benjamin Ole Sten Helshoj 1
#4 Yun Cheng 1