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

Eisai R&D Management Co. — 27 Patents in 2021

Rank (2021): #1,418 of 31,507Top 5%
101 inventors
27 Patents 2021

Top Inventors at Eisai R&D Management Co. 2021

Showing 1–50 of 101 inventors

RankNamePatents
1 Hyeong Wook Choi 4
2 Charles E. Chase 3
2 Dae-Shik Kim 3
2 Earl Albone 3
2 Francis G. Fang 3
2 Jared Spidel 3
#7 Aki Nakatani 2
#7 Akio Yamada 2
#7 Atsushi Endo 2
#7 Eiji Inoue 2
#7 Hong Du 2
#7 Jaemoon Lee 2
#7 John Wang 2
#7 Maki Deguchi 2
#7 Margaret Moline 2
#7 Peter Smith 2
#7 Takashi Satoh 2
#7 Toshio Imai 2
#7 Tomomi Kawakatsu 2
#7 Yasuhiro Funahashi 2
#7 Yimin Jiang 2
#7 Yoshinori Takahashi 2
#7 Yuta Suzuki 2
#24 Alexander Bukreyev 1
#24 Andrew Satlin 1
#24 Anand Selvaraj 1
#24 Atsushi Akao 1
#24 Bruce DeCosta 1
#24 Carsten Beuckmann 1
#24 Craig D. Karr 1
#24 Daniel W. Custar 1
#24 Dominic Reynolds 1
#24 Erhan Berrak 1
#24 Eric Carlson 1
#24 Eunice Sun Park 1
#24 Fabian Gusovsky 1
#24 Frank Fang 1
#24 Gina Pastino 1
#24 Gursel Aktan 1
#24 Hans Hansen 1
#24 Hiroko Baba 1
#24 Hiroshi Ishihara 1
#24 Hiroshi Kikuchi 1
#24 Hirofumi Kuroda 1
#24 Huiming Zhang 1
#24 Jacob D. Feala 1
#24 James Bradford Kline 1
#24 Jing Li 1
#24 Junji Matsui 1
#24 Kazunobu Kira 1