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
IP
Izumi Products
Rank (All Time):
#5953
of 106,127
Top 6%
54 inventors
123
Patents All Time
Top Inventors at Izumi Products
All Time
Showing 1–50 of 54 inventors
Rank
Name
Patents
1
Masaki Okabe
18
2
Hiromi Uchiyama
16
3
Tetsuhiko Shimizu
15
#4
Tsuyoshi Nakano
12
#5
Shunji Izumi
10
#6
Shigeru Hirabayashi
9
#7
Yukio Izumi
8
#8
Tadashi Yasui
6
#9
Kazuhiro Momose
5
#9
Seiji Iwashita
5
#9
Akira Hirabayashi
5
#12
Hideaki Koike
4
#12
Kyoichi Kawafune
4
#12
Masashi Isobe
4
#12
Masafumi Takeshima
4
#12
Yoshiyuki Mimura
4
#17
Hiroshi Kobayashi
2
#17
Isao Haneishi
2
#17
Keiichiro Kamijyo
2
#17
Masayuki Kobayashi
2
#17
Masaki MIYAZAWA
2
#17
Masafumi Yamamoto
2
#17
Shinji Shiba
2
#17
Takeshi Uchiyama
2
#17
Tetsuya AKABANE
2
#17
Tetsuya Ozawa
2
#17
Toshihide Miyasaka
2
#28
Hiroyuki Takizawa
1
#28
Hiroyuki Yajima
1
#28
Keiichiro Kamijo
1
#28
Kesayuki Masuda
1
#28
Kiyohiko Kakimoto
1
#28
Koichi ODAGIRI
1
#28
Masanori Misawa
1
#28
Masanori Tanaka
1
#28
Masahiro Yokota
1
#28
Shin Kasai
1
#28
Shingo Maruyama
1
#28
Shinichi Miyamoto
1
#28
Tomoyuki Kitahara
1
#28
Toyoji Makita
1
#28
Tomoji Masuda
1
#28
Toshihiko Ohara
1
#28
Unji Ito
1
#28
Yasuo Suganuma
1
#28
Yoshiaki Yoshiike
1
#28
Tetsuhiko Shumizu
1
#28
Tetsuhiko Shimiuzu
1
#28
Kiyoko Yamaichi
1
#28
Tadashi Tatai
1
1
2
Next »