Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
IK

Isao Kai

Rank (All Time): #103,834 of 106,127Top 100%
5 inventors
5 Patents All Time

Top Inventors at Isao Kai All Time

Showing 1–5 of 5 inventors

RankNamePatents
1 Tsutomu Yamasawa 2
1 Yoshinori Miyawaki 2
3 Kazuhiro Matumoto 1
3 Osamu Shirasaki 1
3 Satoshi Ueno 1