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 (1997):
#915
of 13,859
Top 7%
55 inventors
14
Patents 1997
Top Inventors at Nippon Kayaku
1997
Showing 1–50 of 55 inventors
Rank
Name
Patents
1
Hitoshi Sato
2
1
Hiroshi Yoshikawa
2
1
Kouichi Ohkawa
2
1
Masaki Shinmoto
2
1
Minoru Yokoshima
2
1
Noriko Tomiyoshi
2
1
Shoiti Hayashihara
2
1
Yoshinobu Miyazawa
2
#9
Akihiko Kuroiwa
1
#9
Akikazu Mitsunobu
1
#9
Akira Shiozawa
1
#9
Aya Ishikawa
1
#9
Ayumu Kimura
1
#9
Chikara Komuro
1
#9
Daisaku Matsunaga
1
#9
Gen'ichi Izu
1
#9
Hiroki Hotta
1
#9
Hiroyuki Matsumoto
1
#9
Hiroyasu Sugizaki
1
#9
Hiroyuki Taniguchi
1
#9
Hirotaka Yamamoto
1
#9
Isamu Hitomi
1
#9
Kazuhisa Narita
1
#9
Kazuo Ohtsuki
1
#9
Kazunori Sasahara
1
#9
Katsunori Shimura
1
#9
Kenji Nakayama
1
#9
Kiyoko Tanaka
1
#9
Koichi Otani
1
#9
Minoru Aoki
1
#9
Minoru Nakada
1
#9
Mikio Yanagi
1
#9
Nobuyoshi Honda
1
#9
Noriaki Onishi
1
#9
Nobuo Taniguchi
1
#9
Nobuaki Yamada
1
#9
Satoshi Inoue
1
#9
Seiichi Yoshida
1
#9
Shigetaka Kitao
1
#9
Shuichi Kohzaki
1
#9
Takao Aizawa
1
#9
Takashi Terada
1
#9
Tetsuo Ohkubo
1
#9
Tetsuya Toya
1
#9
Toru Ozaki
1
#9
Tochiro Tatee
1
#9
Yasuo Murakami
1
#9
Yasuhiko OOTANI
1
#9
Yoshiki Akatani
1
#9
Yoko Baba
1
1
2
Next »