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
SU
Sumco
Rank (2022):
#1308
of 30,823
Top 5%
57 inventors
29
Patents 2022
Top Inventors at Sumco
2022
Rank
Name
Patents
1
Koichi Maegawa
3
2
Ryusuke Yokoyama
3
3
Takahiro Abe
3
#4
Fukuo Ogawa
2
#5
Hideki Fujiwara
2
#6
Hirokazu Kato
2
#7
Hiroshi Kishi
2
#8
Hideki Sakamoto
2
#9
Kouta Hasebe
2
#10
Masaya Sakurai
2
#11
Naoyuki Wada
2
#12
Wataru Sugimura
2
#13
Yasufumi KAWAKAMI
2
#14
Yasuhito Narushima
2
#15
Daisuke Hashimoto
1
#16
Eiichi Kawasaki
1
#17
Eriko Kitahara
1
#18
Hiromi Ibaragi
1
#19
Kaoru Kajiwara
1
#20
Kazunari Kurita
1
#21
Kazuhiro Narahara
1
#22
Katsuya Ookubo
1
#23
Kazuyoshi Takahashi
1
#24
Kazumi Tanabe
1
#25
Keisuke Esaki
1
#26
Ken Kitahara
1
#27
Kenji Okita
1
#28
Keiichi Takanashi
1
#29
Makoto Funayama
1
#30
Masaru Sato
1
#31
Naoki Matsushima
1
#32
Naoya NONAKA
1
#33
Ryota Suewaka
1
#34
Satoru Hamakawa
1
#35
Satoshi Matagawa
1
#36
Shinya Fukushima
1
#37
Shota Kinose
1
#38
Shunji Kuragaki
1
#39
Shin Matsukuma
1
#40
Shoji Nogami
1
#41
Takeshi Kadono
1
#42
Tadashi Kawashima
1
#43
Takayuki Kihara
1
#44
Takashi Muramatsu
1
#45
Takehiro TSUNEMORI
1
#46
Takafumi Yamashita
1
#47
Takuma Yoshioka
1
#48
Takuya Yotsui
1
#49
Tegi Kim
1
#50
Tomohiro Hashii
1
#51
Toshinori Seki
1
#52
Toshihiko Uchida
1
#53
Yasunobu Shimizu
1
#54
Yasutaka Takemura
1
#55
Yoichiro HIRAKAWA
1
#56
Yu MINAMIDE
1
#57
Yuuji Tsutsumi
1