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
MC
Mitsui Mining & Smelting Co.
Rank (All Time):
#1142
of 106,127
Top 2%
838 inventors
764
Patents All Time
Top Inventors at Mitsui Mining & Smelting Co.
All Time
Showing 1–50 of 838 inventors
Rank
Name
Patents
1
Shinya Kagei
34
1
Yoshinori Matsuura
34
3
Yunosuke Nakahara
29
#4
Takao Hayashi
24
#4
Toshimi Nakamura
24
#6
Yoshimi Hata
22
#7
Kiyoshi Yamagishi
21
#7
Makoto Dobashi
21
#7
Tetsuro Sato
21
#10
Atsushi Koike
20
#11
Yutaka Hirasawa
17
#12
Kazuo Moriya
16
#12
Naotomi Takahashi
16
#12
Tetsuya Mitsumoto
16
#12
Toshifumi Matsushima
16
#16
Hitohiko Ide
14
#16
Takashi Kataoka
14
#16
Takayuki Takahata
14
#16
Takuya Yamamoto
14
#16
Toshiaki Kawanishi
14
#16
Yoshihiro Yoneda
14
#16
Yuki Nagao
14
#23
Hideaki Matsushima
13
#23
Isamu Yashima
13
#23
Kiyotaka Yasuda
13
#23
Nobuyoshi Kasahara
13
#23
Tsukasa Takahashi
13
#23
Yasuhide Yamaguchi
13
#29
Hiroyuki Shimamura
12
#29
Kazuhito Yokomori
12
#29
Takahiro Ito
12
#29
Toshihiro Hosoi
12
#29
Yoshitsugu Uchino
12
#34
Fujio Kuwako
11
#34
Naohiko Abe
11
#34
Norihiko Miyashita
11
#34
Yasunori Tabira
11
#34
Yanko Marinov Todorov
11
#39
Hironori IWAKURA
10
#39
Jun Itoh
10
#39
Kei Anai
10
#39
Kenzo Hanawa
10
#39
Mikio Ichinose
10
#39
Ohki Houshito
10
#45
Ayumu Tateoka
9
#45
Junshi Yoshioka
9
#45
Katsuhiko Yoshimaru
9
#45
Mitsuyoshi Matsuda
9
#45
Nozomu Kitajima
9
#45
Norihiro Sato
9
1
2
3
Next »