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
HC
Honshu Chemical Industry Co.
Rank (All Time):
#11658
of 106,127
Top 15%
64 inventors
57
Patents All Time
Top Inventors at Honshu Chemical Industry Co.
All Time
Showing 1–50 of 64 inventors
Rank
Name
Patents
1
Kenji Ekawa
12
2
Kazuhiko Yao
10
3
Akira Yoshitomo
9
#4
Tatsuya Iwai
8
#5
Takeru Suto
6
#5
Toru Nakaguchi
6
#5
Yoichiro Isota
6
#8
Miwa Hashimoto
5
#8
Mitsutaka Ozaki
5
#10
Kentaro Watanabe
4
#10
Mikio Kawahara
4
#10
Taiichi Shiomi
4
#10
Takafumi Tsujigami
4
#14
Ryota IMAI
3
#14
Tadashi Hiramine
3
#16
Fujihisa Matsunaga
2
#16
Kazuhito Ashida
2
#16
Katsuhiko Kaneshige
2
#16
Kenji Sugiyama
2
#16
Kenzo Tsujimoto
2
#16
Keiichi Yokoyama
2
#16
Kouji Muragaki
2
#16
Kouichi Tanba
2
#16
Masatoshi Hasegawa
2
#16
Mitsuhiro Higashi
2
#16
Ryoto KANO
2
#16
Sachiko Miyagi
2
#16
Seiji Kawano
2
#16
Shunji Yago
2
#16
Takahiro Onishi
2
#16
Toyokazu Kitaura
2
#16
Tomoya Yamamoto
2
#16
Xuwang Lu
2
#16
Yoshiharu Ayabe
2
#16
Akihito NASU
2
#16
Akihiko Ojiri
2
#16
Akira Yoshikawa
2
#38
Hiroyasu Ohno
1
#38
Hiroyasu Oono
1
#38
Hiroshi Takenaka
1
#38
Ikuzo Nishiguchi
1
#38
Kazuya Matsuishi
1
#38
Katsunori Takahashi
1
#38
Keiji Arimatsu
1
#38
Kouji Satomi
1
#38
Masato Kodera
1
#38
Masayuki Maeda
1
#38
Masahiko Saibara
1
#38
Masamitsu Tanaka
1
#38
Miwa Hazama
1
1
2
Next »