Patent Leaderboard
All Time
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
1990
1989
1988
1987
1986
1985
1984
1983
1982
1981
1980
Search
Companies
Inventors
Cities
States
Partial year:
Data through Q3 2025 (Sept 30). Full-year totals not yet available.
CP
Chugai Pharmaceutical
Rank (2025):
#932
of 24,532
Top 4%
137 inventors
35
Patents 2025
Top Inventors at Chugai Pharmaceutical
2025
Showing 1–50 of 137 inventors
Rank
Name
Patents
1
Tomoyuki Igawa
10
2
Atsushi Matsuo
7
3
Masahide AOKI
6
3
Satoshi TSUCHIYA
6
3
Takuya Shiraishi
6
#6
Hirotaka Kashiwagi
5
#6
Hiroko Ogawa
5
#6
Hitoshi Yoshino
5
#6
Kyoko Oguri
5
#6
Masahiro Nishimoto
5
#6
Nobuyuki Hori
5
#6
Satoshi Tanida
5
#6
Shoshin Yoshida
5
#6
Takuma Kamon
5
#6
Takahiro Kawai
5
#6
Tsutomu Sato
5
#6
Yoshiyuki Furuta
5
#6
Yoshikazu Nishimura
5
#19
Shojiro Kadono
4
#20
Futa Mimoto
3
#20
Hitoshi Katada
3
#20
Hiroki Kawauchi
3
#20
Koji Takano
3
#20
Mikimasa Tanada
3
#20
Naoka Hironiwa
3
#20
Takashi Emura
3
#20
Taichi Kuramochi
3
#20
Yuji Hori
3
#29
Atsuhiko Maeda
2
#29
Atsushi Ohta
2
#29
Kanako Tatsumi
2
#29
Kenichi Nomura
2
#29
Masaki Kamimura
2
#29
Meiri Kawazoe
2
#29
Mika Sakurai
2
#29
Minoru TAMIYA
2
#29
Satoshi Hashimoto
2
#29
Shun Shimizu
2
#29
Takeo Iida
2
#29
Tetsuo Kojima
2
#29
Xing'er Christine KOO
2
#29
Yuya MORITA
2
#29
Zenjiro Sampei
2
#44
Adriana Jemison
1
#44
Akira Hayasaka
1
#44
Ashlee Jeanette Davis
1
#44
Audrey Grace Mack
1
#44
Ayman Allian
1
#44
Aya CHIYODA
1
#44
Aya SAKON
1
1
2
3
Next »