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
SI
Sintokogio
Rank (2023):
#1115
of 29,688
Top 4%
57 inventors
34
Patents 2023
Top Inventors at Sintokogio
2023
Rank
Name
Patents
1
Takehiro Sugino
4
2
Kazuhiro Ota
3
3
Masahiko Nagasaka
3
#4
Takeshi Sonohara
3
#5
Tomohiro Aoki
3
#6
Hiroaki Suzuki
2
#7
Masanori Hoshino
2
#8
Shogo Nakajima
2
#9
Tadashi Nishida
2
#10
Takashi Suzuki
2
#11
Toshiyuki Hyodo
2
#12
Umihiko Suzuki
2
#13
Yasuaki ASAOKA
2
#14
Yusuke IBI
2
#15
Yusuke Kato
2
#16
Yuji Kobayashi
2
#17
Akinori Matsui
1
#18
Akihisa Ogino
1
#19
Akiomi Uchiyama
1
#20
Eiji Yamaguchi
1
#21
Hisashi Harada
1
#22
Hiroyasu Makino
1
#23
Kazuya Nakazawa
1
#24
Kazuyuki Nishikawa
1
#25
Kazunori Ogura
1
#26
Koki MAEDA
1
#27
Koichi Sakaguchi
1
#28
Masataka Shiraki
1
#29
Masanori Tomioka
1
#30
Miyuki HAYASHI
1
#31
Mizuki OKUBO
1
#32
Mitsuaki Watanabe
1
#33
Narihiro Akatsuka
1
#34
Nayuta Horie
1
#35
Naohisa Nakamura
1
#36
Naoya Sogo
1
#37
Shinsuke Iijima
1
#38
Shintaro NISHIKAWA
1
#39
Shuji Takasu
1
#40
Tatsumi Fujita
1
#41
Takahiro KOKAWAJI
1
#42
Takayuki Komiyama
1
#43
Takuya Koyama
1
#44
Takahiro Naito
1
#45
Takuma Nakai
1
#46
Tetsuji Matsui
1
#47
Tomoji Ishida
1
#48
Toshiyuki Ishikawa
1
#49
Tomoyoshi Kawaguchi
1
#50
Tokiya Terabe
1
#51
Toshiya Tsuji
1
#52
Yasutaka Haga
1
#53
Yoshiaki Okada
1
#54
Yoshitsugu Tanaka
1
#55
Yuu Ishida
1
#56
Yuuka ITO
1
#57
Yuichi Ogura
1