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

Riken

Rank (2022): #966 of 30,823Top 4%
162 inventors
40 Patents 2022

Top Inventors at Riken 2022

Showing 1–50 of 162 inventors

RankNamePatents
1 Yoshiki Sasai 6
2 Masayo Takahashi 4
3 Atsushi Kuwahara 3
3 Suguru Yamasaki 3
#5 Akira Sakai 2
#5 Ayumi Yamagami 2
#5 Chikafumi OZONE 2
#5 Hideo Yokota 2
#5 Keiji Numata 2
#5 Masaaki Komatsu 2
#5 Shigeho NODA 2
#5 Tadao Asami 2
#5 Taku Demura 2
#5 Takeshi Nakano 2
#5 Takaoki Takanashi 2
#5 Tokushige Nakano 2
#5 Yasushi Hiramine 2
#5 Yoshie OTAKE 2
#19 Ai Dozen 1
#19 Akihiko Sekizawa 1
#19 Atsushi Ochiai 1
#19 Chiemi Tsumagari 1
#19 Daigo Miyajima 1
#19 Eriko Matsuura 1
#19 Fumiya Shimada 1
#19 Fumiyuki Shirai 1
#19 Hanako AIKOH 1
#19 Haobing Wang 1
#19 Hiroaki Adachi 1
#19 Hiroyuki Daigo 1
#19 Hiroshi Ezura 1
#19 Hideki Hirayama 1
#19 Hiroyuki Iino 1
#19 Hidetoshi Katori 1
#19 Hitoshi Okamoto 1
#19 Hiroki Okuno 1
#19 Hiroyuki Osada 1
#19 Hiroyoshi SAKURAI 1
#19 Hiroyuki Seimiya 1
#19 Hiroshi Shimizu 1
#19 Hideyuki Sunaga 1
#19 Hiroyuki Yoshida 1
#19 Ichio Aoki 1
#19 Ichiro Ushijima 1
#19 Ikuyo Inoue 1
#19 Issei Sato 1
#19 Kazuaki Fukasaku 1
#19 Kanji Furuta 1
#19 Kazuhisa Hizume 1
#19 Kazunori Masukawa 1