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
SC
Sumitomo Metal Mining Co.
Rank (2021):
#1024
of 31,507
Top 4%
49 inventors
38
Patents 2021
Top Inventors at Sumitomo Metal Mining Co.
2021
Rank
Name
Patents
1
Tetsufumi Komukai
9
2
Yuki Furuichi
6
3
Taira Aida
5
#4
Hideaki Fukuyama
4
#5
Hirofumi TSUNEMATSU
4
#6
Kazuomi Ryoshi
4
#7
Mika Okada
4
#8
Takeshi Chonan
4
#9
Jun Yokoyama
3
#10
Kenji Adachi
3
#11
Motoaki Saruwatari
3
#12
Ryuta Sugiura
3
#13
Satoshi Kanada
3
#14
Daisuke HORIKAWA
2
#15
Hiroshi Kobayashi
2
#16
Hiroyuki Toya
2
#17
Jun Suzuki
2
#18
Katsuhiro Kawakubo
2
#19
Kenichi Fujita
2
#20
Koji Yamaji
2
#21
Mitsuru Yamauchi
2
#22
Shingo Awagakubo
2
#23
Tetsutaro Hayashi
2
#24
Yosuke Ota
2
#25
Atsushi Fukui
1
#26
Azusa Tagami
1
#27
Haruki Kaneda
1
#28
Hiroko Senba
1
#29
Hiromitsu Takeda
1
#30
Katsuya Inoue
1
#31
Kazuhiko Tsuchioka
1
#32
Kentaro Kondo
1
#33
Keisuke Machida
1
#34
Kensaku Mori
1
#35
Koichiro Maki
1
#36
Ryozo Ushio
1
#37
Satoshi Yoshio
1
#38
Shuhei Nakakura
1
#39
Shuhei Oda
1
#40
Shoji Takanashi
1
#41
Takeshi Asakawa
1
#42
Tatsuya Higaki
1
#43
Takashi Ozaki
1
#44
Takahiro Toma
1
#45
Tomomichi Nihei
1
#46
Yoshihiko Nakao
1
#47
Yoshihiro Otsuka
1
#48
Yuji Kawakami
1
#49
Yuki Koshika
1