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

Kojin Co. — 6 Patents

Rank (All Time): #80,898 of 106,120Top 80%
15 inventors
6 Patents All Time

Top Inventors at Kojin Co. All Time

Showing 1–15 of 15 inventors

RankNamePatents
1 Kiyofumi Koshiba 2
1 Michihiro Inaba 2
1 Tetsuya Sunago 2
1 Yoshinari Ikeda 2
#5 Akihito Aoki 1
#5 Eiji Anzai 1
#5 Hiromichi Gohara 1
#5 Hitoshi Hasegawa 1
#5 Katsufumi Naka 1
#5 Masayasu Kamijo 1
#5 Motohito HORI 1
#5 Ryoichi Kato 1
#5 Shinichiro Katsuta 1
#5 Takeo Wada 1
#5 Yuki INABA 1