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

Shiken — 8 Patents

Rank (All Time): #66,197 of 106,120Top 65%
7 inventors
8 Patents All Time

Top Inventors at Shiken All Time

Showing 1–7 of 7 inventors

RankNamePatents
1 Fumio Shima 3
2 Hidetoshi Honda 2
2 Yoshinori Nakagawa 2
#4 Kiyohisa Wada 1
#4 Shoji Matsuda 1
#4 Takahiro Shima 1
#4 Tsutomu Yoneda 1