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 8,251–8,300 of 9,820 inventors

RankNamePatents
#6936 Minolu Hukuda 1
#6936 Megumi Sakakura 1
#6936 Tsugio Okuzawa 1
#6936 Fumio Okuya 1
#6936 Itsuma Tsugami 1
#6936 Suzuki Seizo 1
#6936 Seiki Takita 1
#6936 Hiroshi Muira 1
#6936 Etsuo Nagai 1
#6936 Haruyoshi Masui 1
#6936 Michiaki Nishinozono 1
#6936 Abe Shintaro 1
#6936 Hisahide Yushita 1
#6936 Daiya Taranishi 1
#6936 Kazuhiro Moriizumi 1
#6936 Naoto Gambo 1
#6936 Sakae Ishiwaka 1
#6936 Masayuki Syoshi 1
#6936 Keiichi Kanetou 1
#6936 Ryu Shin'el 1
#6936 Yukiti Sindo 1
#6936 Yoshinobu Ooyabu 1
#6936 Satoru Tohyama 1
#6936 Yuuji Sawaj 1
#6936 Yoshiaki Hanyuh 1
#6936 Mitsuo Sate 1
#6936 Hisanori Sakatsume 1
#6936 Sigenobu Irokawa 1
#6936 Calin Muresan 1
#6936 Patrick Nappi 1
#6936 Takahide Kutsuma 1
#6936 Takahiro Yagisita 1
#6936 Mutuko Funaki 1
#6936 David Bednash 1
#6936 Karumi Kakigawa 1
#6936 Yoshio Sutoh 1
#6936 Susumu Nakamaru 1
#6936 Akira Sugimori 1
#6936 Sigeo Kurotaka 1
#6936 Soulier Christophe 1
#6936 Leo Macanna 1
#6936 by Hiroyuki Satoh, legal representative 1
#6936 Regis J. Van Steenkiste 1
#6936 Thutomu Kanai 1
#6936 Yoshihisa Ooguro 1
#6936 Uee Myong Hwang 1
#6936 Thomas Rutkowski 1
#6936 Masaki Tsusaka 1
#6936 Morio Oikawa 1
#6936 Naomasa Ishibata 1