Patent Leaderboard
USPTO Patent Rankings
Data through Dec 31, 2025
Search
Companies
Inventors
Cities
States
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
Home
›
Companies
›
Dainippon Pharmaceutical Co.
DC
Dainippon Pharmaceutical Co.
— 109 Patents
Rank
(All Time):
#6,598
of
106,120
Top 7%
207
inventors
109
Patents All Time
Top Inventors at Dainippon Pharmaceutical Co.
All Time
Showing
1–50
of
207
inventors
Rank
Name
Patents
1
Kiyoshi Furukawa
13
2
Hitoshi Uno
12
2
Jun Matsumoto
12
#4
Shinichi Nakamura
11
#5
Makoto Oka
10
#5
Shiro Kato
10
#7
Katsuhiko Hino
9
#8
Kazunori Ohno
8
#8
Naoyuki Yoshida
8
#8
Tatsuya Kon
8
#8
Toshiya Morie
8
#12
Hideo Nakamura
7
#12
Yoshiyuki Takase
7
#14
Fuminori Sato
6
#14
Osamu Odai
6
#16
Hiroshi Harada
5
#16
Junichi Yamagishi
5
#16
Katsuyoshi Kawashima
5
#16
Masaaki Yamada
5
#16
Mitsue Notake
5
#16
Takashi Deguchi
5
#16
Tadahiko Karasawa
5
#16
Tadahiro Sawayama
5
#16
Yoshiaki Ochi
5
#25
Hitoshi Kawashima
4
#25
Katsumi Chiba
4
#25
Kazuhiko Yamatoya
4
#25
Kanae Yokogawa
4
#25
Masato Sakamoto
4
#25
Mikio Kurokawa
4
#25
Naoki Kai
4
#25
Ryuji Furuta
4
#25
Ryotaro Shiratake
4
#25
Shunsuke Naruto
4
#25
Yasuji Furutani
4
#25
Yoshimi Hirokawa
4
#25
Yoshinobu Masuda
4
#25
Yoshiro Nishimura
4
#25
Yoshiyuki Shimohiro
4
#25
Yukio Tominaga
4
#41
Akihito Fujii
3
#41
Hiroshi Hayashi
3
#41
Junji Nakano
3
#41
Kanoo Hosoki
3
#41
Kaoru Masumoto
3
#41
Kiyomi Sogo
3
#41
Kunihiko Takeyama
3
#41
Mari Itoh
3
#41
Michiko Yamayoshi
3
#41
Motoji Kawasaki
3
1
2
3
Next »
Related Companies
Kosan Biosciences Incorporated
109
Cabot Safety Intermediate
109
Bracco International Bv
109
Cv Therapeutics
109
King Of Fans
109
Robotic Vision Systems
109
Pioneer Video
109
Nippon Gohsei Kagaku Kogyo
109