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
CP
Chisso Petrochemical
Rank (All Time):
#4091
of 106,127
Top 4%
139 inventors
185
Patents All Time
Top Inventors at Chisso Petrochemical
All Time
Showing 1–50 of 139 inventors
Rank
Name
Patents
1
Masayuki Saito
40
2
Norikatsu Hattori
23
3
Yasuhiro Kubo
18
#4
Hiroaki Fujita
15
#5
Ryushi Shundo
13
#5
Yoshitaka Tomi
13
#7
Takashi Kato
12
#8
Motoki Yanai
11
#9
Etsuo Nakagawa
10
#9
Shuichi Matsui
10
#11
Teru Shimada
9
#11
Yasuyuki Sasada
9
#13
Shuichi Goto
8
#14
Hiroyuki Takeuchi
7
#14
Shigeru Kibe
7
#14
Yoshiharu Hirai
7
#17
Hitoshi Yamamoto
6
#17
Kouki Sagou
6
#17
Teruyo Sugiura
6
#17
Yasuhiro Haseba
6
#21
Eiji Okabe
5
#21
Kazuhiko Saigusa
5
#21
Mayumi Tanabe
5
#21
Minoru Terano
5
#21
Takashi Hiraoka
5
#21
Tetsuya Matsukawa
5
#21
Tsutomu Ushioda
5
#28
Hiroyuki Tanaka
4
#28
Kazutoshi Miyazawa
4
#28
Kanetsugu Terashima
4
#28
Koichi Saito
4
#28
Mayumi Goto
4
#28
Maiko Ito
4
#28
Masami Kimura
4
#28
Masato Nakano
4
#28
Takanori Nakashima
4
#28
Tomohiro Etou
4
#28
Toshimori Nakai
4
#28
Atsuko Fujita
4
#40
Hiroyuki Maehara
3
#40
Hideshi Satake
3
#40
Masato Takahashi
3
#40
Nobukazu Atsumi
3
#40
Nobumasa Ootake
3
#40
Subaru Kawasaki
3
#40
Tomoyuki Kondo
3
#40
Yasuyuki Goto
3
#40
Yuzuru Torii
3
#49
Hiromichi Inoue
2
#49
Hideshi Ishiwa
2
1
2
3
Next »