Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Ricoh Company

Rank (All Time): #31 of 106,127Top 1%
9,820 inventors
28,312 Patents All Time

Top Inventors at Ricoh Company All Time

Showing 9,151–9,200 of 9,820 inventors

RankNamePatents
#6936 Kazumasa Kumakura 1
#6936 Yoshihiro Ishikawa 1
#6936 Katsuyoshi Kodama 1
#6936 Kazuhito Kobori 1
#6936 Yoshiharu Kagari 1
#6936 Kazuyosi Kobayashi 1
#6936 Kaoru Katayama 1
#6936 Youtaro Kakitani 1
#6936 Charles A. Willus 1
#6936 Kazuhiro Kanno 1
#6936 Kanji Kanai 1
#6936 Kazuyuki Kadokura 1
#6936 Katsumi Ishizawa 1
#6936 Kazuki ISHIKURA 1
#6936 Yoshinori Katoh 1
#6936 Yoshino Katsumi 1
#6936 Yoshinori Kawaai 1
#6936 Kanna Ilnuma 1
#6936 Kazuhiro Ikeda 1
#6936 Kazuo Hirose 1
#6936 Kazuhiro Hayama 1
#6936 Yoshihiro Kawashima 1
#6936 Akihisa Nakano 1
#6936 Katsuo Hatase 1
#6936 Kazuyo Hashimoto 1
#6936 Christian Vedder 1
#6936 Katsuhiko Hanagaki 1
#6936 Kazuki Haba 1
#6936 Akihiro Nakayama 1
#6936 Kazuhiro Goto 1
#6936 Kazuya Goto 1
#6936 Chaoqian Tang 1
#6936 Kazuhiko Fukushima 1
#6936 Yoshiko Konaka 1
#6936 Yoshiaki Kondo 1
#6936 Kazunari Aoki 1
#6936 Akira Ogawa 1
#6936 Yoshio Kuniyoshi 1
#6936 Kazuo Akita 1
#6936 Yoshiaki Kwasaki 1
#6936 Yong-Seog Lee 1
#6936 Chiharu Sato 1
#6936 Katuo Akimoto 1
#6936 Yousuke Manabe 1
#6936 Jyun Ogino 1
#6936 Akira Ota 1
#6936 Jyouji Katoh 1
#6936 Jyun Ishiduka 1
#6936 Junji Toda 1
#6936 You Masuyama 1