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
Rikagaku Kenkyusho
Rank (All Time):
#6604
of 106,127
Top 7%
207 inventors
109
Patents All Time
Top Inventors at Rikagaku Kenkyusho
All Time
Showing 1–50 of 207 inventors
Rank
Name
Patents
1
Masanori Idesawa
10
2
Koki Horikoshi
8
2
Tomoya Ogawa
8
#4
Hiroshi Ohta
7
#4
Isao Endo
7
#6
Mamoru Sugimoto
6
#6
Teruyuki Nagamune
6
#8
Eiichi Goto
5
#8
Hideo Tashiro
5
#8
Satoshi Wada
5
#11
Hayato Kaetsu
4
#11
Kazuyuki Akagawa
4
#11
Masao Kaneko
4
#11
Shigeyoshi Arai
4
#11
Shohei Isomura
4
#11
Yoshiyasu Shitori
4
#17
Hideki Nakamura
3
#17
Hitoshi Ohmori
3
#17
Ichiro Inoue
3
#17
Kouichi Toyoda
3
#17
Kyoko Sugita
3
#17
Masayoshi Ito
3
#17
Tetsuo Kobayashi
3
#17
Toshiaki Kudo
3
#17
Yasuo Homma
3
#17
Yutaka Arimoto
3
#27
Chiaki Kato
2
#27
Eiichi Sudoh
2
#27
Hajime Asama
2
#27
Haruo Tateno
2
#27
Hiroshi Amemiya
2
#27
Hiroshi Kato
2
#27
Hideo Kitamura
2
#27
Hiroshi Kumagai
2
#27
Hiroyoshi Kuzuhara
2
#27
Hidefusa Takahara
2
#27
Ichiro Shibanai
2
#27
Kazutomo Hoshino
2
#27
Katsuhiko Karikomi
2
#27
Kazuhiko Kato
2
#27
Katsuo Nishi
2
#27
Kazuo Shimizu
2
#27
Kiyoshi Isono
2
#27
Koki Hirikoshi
2
#27
Kouki Horikoshi
2
#27
Kozo Inoue
2
#27
Kunio Suzuki
2
#27
Masakazu Aono
2
#27
Manabu Hamagaki
2
#27
Masajiro Kawana
2
1
2
3
Next »