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
NK
Nippon Kayaku
Rank (All Time):
#1139
of 106,127
Top 2%
1,103 inventors
769
Patents All Time
Top Inventors at Nippon Kayaku
All Time
Showing 251–300 of 1,103 inventors
Rank
Name
Patents
#176
Akira Matsuda
4
#176
Akinori Morikawa
4
#176
Anni Warri
4
#176
Arihiro Tomura
4
#255
Giichi Sato
3
#255
Go Mizutani
3
#255
Hayato Motohashi
3
#255
Hideaki Hattori
3
#255
Hideyuki Koike
3
#255
Hiroshi Miyazaki
3
#255
Hiromi Morita
3
#255
Hiroyuki Ochi
3
#255
Hiroyasu Sugizaki
3
#255
Hirotoshi Takahashi
3
#255
Hideki Yoshioka
3
#255
Isao Yamaguchi
3
#255
Jouji Sekine
3
#255
Junya Amano
3
#255
Junko Ichikawa
3
#255
Junji Toda
3
#255
Kazunori Ishikawa
3
#255
Kazuo Katoh
3
#255
Kazuyuki Kawabe
3
#255
Kazuteru Ogawa
3
#255
Kenji Iwata
3
#255
Kenji Kobayashi
3
#255
Kenji Kunikata
3
#255
Kenji Nakayama
3
#255
Keijyou Sasaki
3
#255
Ken Yamakawa
3
#255
Kenichi Yamamoto
3
#255
Koji Nakayama
3
#255
Kouichi Ohkawa
3
#255
Koichi Wada
3
#255
Kooichi Yoshida
3
#255
Kyohei Miyanaga
3
#255
Kyuichi Nemoto
3
#255
Masaki Fujimoto
3
#255
Matsuo Hashimoto
3
#255
Makoto Iwasaki
3
#255
Koichi Enami
3
#255
Masaru Kudo
3
#255
Mamoru Kunishima
3
#255
Makoto Moriguchi
3
#255
Masaharu Murakami
3
#255
Masakazu Shiraishi
3
#255
Makoto Teranishi
3
#255
Makoto Tsuda
3
#255
Mariko Umeda
3
#255
Masahiro Yoshida
3
« Prev
4
5
6
7
8
Next »