Patent Leaderboard
USPTO Patent Rankings
Data through Sept 30, 2025
Search
Companies
Inventors
Cities
States
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
Home
›
Companies
›
Teijin Limited
TL
Teijin Limited
— 1,450 Patents
Rank
(All Time):
#585
of
106,127
Top 1%
1,631
inventors
1,450
Patents All Time
Top Inventors at Teijin Limited
All Time
Showing
1–50
of
1,631
inventors
Rank
Name
Patents
1
Satoshi Nishikawa
43
1
Shunichi Matsumura
43
3
Katsushi Sasaki
33
3
Yoshiki Suzuki
33
#5
Hiroo Inata
31
#6
Yataro Ichikawa
28
#7
Seizi Kurozumi
27
#8
Hiroaki Kaneko
26
#8
Takashi Yoshitomi
26
#8
Yuji Makino
26
#11
Toru Sawaki
24
#12
Keizo Shimada
23
#12
Kinji Hasegawa
23
#12
Atsuo Hazato
23
#15
Wataru Funakoshi
22
#16
Hisashi Hamano
21
#16
Toshifumi Osawa
21
#18
Hirofumi Murooka
20
#19
Takahiro Daido
19
#19
Yasuhiko Masuho
19
#21
Hideshi Kurihara
18
#21
Masahiro Hosoi
18
#21
Toshimasa Kuroda
18
#21
Toshio Tanaka
18
#21
Yasuhiro Saeki
18
#26
Ieyasu Kobayashi
17
#26
Kaoru Iwata
17
#26
Susumu Honda
17
#29
Hodaka Yokomizo
16
#29
Katsuhiro Yamanaka
16
#29
Koji Furuya
16
#29
Masami Etchu
16
#29
Makoto Handa
16
#29
Masumi Hirata
16
#29
Michikage Matsui
16
#29
Takeyuki Kawaguchi
16
#29
Yoshiyuki Sasaki
16
#38
Kenji Suzuki
15
#38
Koji Kubo
15
#38
Masanori Nishiyama
15
#38
Makoto Yoshida
15
#38
Shingo Emi
15
#38
Takeshi Hara
15
#38
Tetsuo Yoshida
15
#38
Tsutomu Kiriyama
15
#38
Tsutomu Nakamura
15
#47
Hiroaki Kuwahara
14
#47
Hiroyoshi Minematsu
14
#47
Jiro Sadanobu
14
#47
Masayuki Fukuda
14
1
2
3
Next »
Related Companies
Altria Client Services
1,460
Hefei Xinsheng Optoelectronics Technology Co.
1,455
Praxair Technology
1,452
Accenture Global Services Limited
1,452
Toshiba Electronic Devices & Storage
1,451
Vivo Mobile Communication Co.
1,447
Itt Manufacturing Enterprises
1,445
Sanofi
1,443
Rohde & Schwarz
1,438