Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Well Stone — 14 Patents

Rank (All Time): #41,665 of 106,120Top 40%
8 inventors
14 Patents All Time

Top Inventors at Well Stone All Time

Showing 1–8 of 8 inventors

RankNamePatents
1 Yoichi Ishii 13
2 Takeshi Okamoto 10
3 Sayaka Makino 6
#4 Kazuyuki Ishii 3
#4 Takayuki Nemoto 3
#6 Etsuo Yoshida 2
#6 Hiroyuki Sumi 2
#6 Sayaka Ishii 2