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
KC
Kyoraku Co.
Rank (All Time):
#3789
of 106,127
Top 4%
136 inventors
203
Patents All Time
Top Inventors at Kyoraku Co.
All Time
Showing 1–50 of 136 inventors
Rank
Name
Patents
1
Teruo Tamada
39
2
Takehiko Sumi
31
3
Masaaki Onodera
29
3
Tadatoshi Tanji
29
#5
Shinsuke TARUNO
18
#6
Yu Igarashi
17
#7
Naoto Tani
13
#8
Tatsuya Fukuda
12
#9
Yoshitaka Matsubara
11
#10
Sho Nakajima
10
#10
Takeru Sano
10
#10
Tetsuaki EGUCHI
10
#10
Yoshinori Ohno
10
#14
Kenji Ishii
9
#14
Yuki HARASAWA
9
#16
Kenji Iwasaki
8
#16
Takaya Niimi
8
#18
Ryuichi Ishida
7
#18
Takafumi Funato
7
#18
Yoshinori Ono
7
#18
Yoshihiro YAMASAKI
7
#22
Hiroo Inui
6
#22
Masaaki Sueoka
6
#22
Ryosuke Oki
6
#22
Ryohei YUASA
6
#22
Takashi Nomura
6
#27
Kiyotaka Urakawa
5
#27
Tsutomu Sakaguchi
5
#27
Yoshinori Motohashi
5
#27
Yosuke MUROYA
5
#31
Kazuya Matsumoto
4
#31
Kazuhiko Saeki
4
#31
Kentaro Uchihashi
4
#31
Kouichiro YOSHIDA
4
#31
Shinji Ishikawa
4
#31
Shuji Ito
4
#37
Haruhiro Endo
3
#37
Hirofumi Nagai
3
#37
Kazuo Waki
3
#37
Kousuke Aihara
3
#37
Masashi Sasaki
3
#37
Satoshi Ichikawa
3
#37
Shinji Matsunaga
3
#37
Shingo Nagashima
3
#37
Takeshi Kato
3
#37
Takaaki Sakimura
3
#37
Takaaki SOMEYA
3
#37
Yasunobu Ueda
3
#37
Yoshio Koike
3
#37
Yoshio Yamauchi
3
1
2
3
Next »