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 8,201–8,250 of 9,820 inventors

RankNamePatents
#6936 Eiji Fukui 1
#6936 Yukiko Yoshioka 1
#6936 Yuu YOSHIOKA 1
#6936 Yudai Yumoto 1
#6936 Eiji Akamatsu 1
#6936 Yuanyuan Zhou 1
#6936 Zarana Shah 1
#6936 Zefu Chen 1
#6936 Zemba Hideki 1
#6936 Edward E. Mayer 1
#6936 Zhang Jianjin 1
#6936 Zheng Jichuan 1
#6936 E. Robert Duffy 1
#6936 Zhao TONG 1
#6936 Du Xiaojun 1
#6936 Du Cheng 1
#6936 Zoran Stejic 1
#6936 Kouichi Itoda 1
#6936 Tadashi Arakai 1
#6936 Itaru Ohtsuka 1
#6936 Steven R. Ungemach 1
#6936 Saburo Saski 1
#6936 Karen Harrison Ferrel 1
#6936 Masato Ohkuni 1
#6936 Shougo Ooneda 1
#6936 Richard L. Schmal 1
#6936 Jeffrey R. Canion 1
#6936 Shiori Oaku 1
#6936 Ouji Maruyama 1
#6936 Masaaki Izushima 1
#6936 Kimura Mitsuteru 1
#6936 Masakazu Ooshita 1
#6936 Takashi Hongou 1
#6936 Susumu Imagawa 1
#6936 Takeshi Nanjoh 1
#6936 Nazneen Billawala 1
#6936 Takatsugu Fuzishiro 1
#6936 Teruo Ohne 1
#6936 Tsuneo Kunotori 1
#6936 Yasushi Yoshiyama 1
#6936 Gabriela Barrales 1
#6936 Rikio Aozuka 1
#6936 Megumi Otoshi 1
#6936 Miwa Syutou 1
#6936 Satoru Konakai 1
#6936 Seki Takayuki 1
#6936 Yasushi Kohtake 1
#6936 Tuyoshi Asami 1
#6936 Nancy P. Stork 1
#6936 Kenji Matsuse 1