Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Ricoh Printing Systems

Rank (All Time): #5,572 of 106,127Top 6%
200 inventors
131 Patents All Time

Top Inventors at Ricoh Printing Systems All Time

Showing 51–100 of 200 inventors

RankNamePatents
#44 Masahiko Saito 3
#44 Ryouta Matsufuji 3
#44 Shoji Ukei 3
#44 Takamitsu Ikematsu 3
#44 Taichiro Yamashita 3
#44 Tetsuji Takegoshi 3
#44 Tsuneaki Kawanishi 3
#44 Tsutomu Maekawa 3
#44 Tsukasa Onose 3
#44 Yasuo Takuma 3
#44 Yoshitaka Akiyama 3
#44 Yoshikane Matsumoto 3
#44 Akemi Ouchi 3
#64 Atsushi Onose 2
#64 Hidenori Iwanaga 2
#64 Hirobumi Ooyoshi 2
#64 Hiroyuki Seki 2
#64 Kaoru Kataoka 2
#64 Katsumi Kumagai 2
#64 Kazuyuki Mitome 2
#64 Kazutaka Setoma 2
#64 Katsuhiko Suzuki 2
#64 Kazuyoshi Tokunaga 2
#64 Keisuke Kubota 2
#64 Masanari Fujita 2
#64 Masayoshi Ishii 2
#64 Koji Doi 2
#64 Masayoshi Nakayama 2
#64 Masashi Yamamoto 2
#64 Naoyuki Urata 2
#64 Satoru Wada 2
#64 Shogo Matsumoto 2
#64 Sho Sawahata 2
#64 Susumu Tateyama 2
#64 Tatsuro Akabane 2
#64 Tatsuya Kubo 2
#64 Tatsunari Sato 2
#64 Takeshi Terakado 2
#64 Takao Umeda 2
#64 Tomonari Hokkyo 2
#64 Toshiyuki Yamada 2
#64 Tomofumi Yoshida 2
#64 Yasuyuki Horie 2
#64 Yuji Ohmura 2
#64 Yutaka Shoji 2
#64 Akio Tsujita 2
#97 Chiharu Kamoshida 1
#97 Daisuke Hara 1
#97 Goro Sato 1
#97 Haruo Hashimoto 1