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

Nihon Kogyo Co.

Rank (All Time): #36,606 of 106,127Top 35%
29 inventors
16 Patents All Time

Top Inventors at Nihon Kogyo Co. All Time

Showing 1–29 of 29 inventors

RankNamePatents
1 Yoshio Kawasumi 6
2 Haruki Sato 3
2 Mitsuo Takahashi 3
#4 Hideo Miyazaki 2
#4 Hideo Oikawa 2
#4 Iwao Kyono 2
#4 Masami Kuroki 2
#4 Masahiro Tsuji 2
#4 Nobuyuki Mori 2
#4 Osamu Oda 2
#4 Shunichi Kasai 2
#4 Takao Amazawa 2
#4 Yoshiharu Katoh 2
#4 Akio Koyama 2
#4 Arata Onozuka 2
#16 Hiroshi Tasaki 1
#16 Junji Honda 1
#16 Kenji Kawai 1
#16 Kiyoaki Nishikawa 1
#16 Mamoru Yamane 1
#16 Nakahachiro Honma 1
#16 Shohei WADA 1
#16 Susumu Kawauchi 1
#16 Tadashi Murakami 1
#16 Takashi Ogata 1
#16 Toshikazu Okubo 1
#16 Toshio Tokairin 1
#16 Yasuo Mori 1
#16 Nakahachiro Honna 1