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
RK
Riso Kagaku
Rank (2017):
#708
of 29,974
Top 3%
71 inventors
56
Patents 2017
Top Inventors at Riso Kagaku
2017
Showing 1–50 of 71 inventors
Rank
Name
Patents
1
Shinichiro Shimura
5
2
Akira Nishiyama
4
2
Toshihiro Endo
4
#4
Manami Shimizu
3
#4
Masaaki Shinohara
3
#4
Naoyuki Torita
3
#4
Tetsuo Hosoya
3
#4
Tetsunori Saito
3
#4
Yoshifumi Watanabe
3
#10
Akinori Maekawa
2
#10
Hiroshi Hayashi
2
#10
Hiroshi Sugitani
2
#10
Junya Ozawa
2
#10
Kazuyuki Ando
2
#10
Masashi Hara
2
#10
Masao Suzuki
2
#10
Mitunori Ishikawa
2
#10
Naofumi Ezaki
2
#10
Shigeru Masuda
2
#10
Tadashi TAKAKUSA
2
#21
Akira Shibasaki
1
#21
Akihiro Tsumura
1
#21
Akiko Yamamoto
1
#21
Asayo Shimoda
1
#21
Atsushi HIROSHIMA
1
#21
Atsushi Takata
1
#21
Aya Okada
1
#21
Dai Takahashi
1
#21
Eijiro Arimura
1
#21
Hideaki Inoue
1
#21
Hirohito Kubota
1
#21
Hiroyuki Nakamura
1
#21
Hideaki Ogawa
1
#21
Hikaru Sugiura
1
#21
Hirokazu Yabune
1
#21
Junichi Hakamada
1
#21
Kazuyuki AOKI
1
#21
Kazuo Nakano
1
#21
Kazuhisa Okano
1
#21
Kenji Shimomura
1
#21
Kyoko MOTOYAMA
1
#21
Masakazu Kawano
1
#21
Marie Morinaga
1
#21
Masahiro Nishihata
1
#21
Masatoshi Nishikawa
1
#21
Mamoru Saito
1
#21
Mitsuaki Ishitoya
1
#21
Naoto Tajima
1
#21
Naoto Tsujino
1
#21
Ryohei Etsuki
1
1
2
Next »