Patent Leaderboard
USPTO Patent Rankings
Data through Dec 31, 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
›
Toray Engineering Co.
TC
Toray Engineering Co.
— 109 Patents
Rank
(All Time):
#6,617
of
106,120
Top 7%
169
inventors
109
Patents All Time
Top Inventors at Toray Engineering Co.
All Time
Showing
1–50
of
169
inventors
Rank
Name
Patents
1
Takashi Iwade
22
2
Akira Yamauchi
14
3
Masanori Akita
11
#4
Jun Takagi
9
#5
Chisa Inaka
8
#5
Yoshiyuki Arai
8
#7
Katsumi Terada
7
#7
Masamichi Yamashita
7
#7
Toshihiro Mori
7
#10
Koji Ito
6
#10
Yoshiro Migaki
6
#12
Takayoshi Fujimoto
5
#13
Masaki Mori
4
#13
Toyoharu Terada
4
#15
Jun Inagaki
3
#15
Katsuichi Kitagawa
3
#15
Kazunori Nakakita
3
#15
Masazumi Imae
3
#15
Mikio Kawakami
3
#15
Richard H. Estes
3
#15
Tatsuya Okada
3
#15
Tsukasa NIWA
3
#15
Yasuhisa Mizuno
3
#15
Yasushi Tamura
3
#15
Yoshio Nogami
3
#15
Yoshiki Sawaki
3
#27
Atsushi Watanabe
2
#27
Hisashi Kobayashi
2
#27
Hidemitsu Ogawa
2
#27
Hiromichi Sasamoto
2
#27
Hideaki Sugio
2
#27
Hiromitsu Wada
2
#27
Junichi Uehara
2
#27
Katsumi Hasegawa
2
#27
Kenji Kambara
2
#27
Kenji Sato
2
#27
Koji Itoh
2
#27
Masaaki Makikawa
2
#27
Minoru Wada
2
#27
Ryoji Shimazu
2
#27
Takashi HARE
2
#27
Tadahiko Okubo
2
#27
Yasuo Kurimoto
2
#27
Yusuke SAKAUE
2
#27
Yuichiro Tsuda
2
#46
Akira Fukuchi
1
#46
Akira Hirabayashi
1
#46
Akira Hyakusai
1
#46
Akira Onodera
1
#46
Atsushi Suzuki
1
1
2
3
Next »
Related Companies
Icagen
109
Sanwa Kagaku Kenkyusho Co.
109
Microunity Systems Engineering
109
Diodes Incorporated
109
Albert Handtmann Maschinenfabrik
109
Hartwell
109
Mitsubishi Jidosha Engineering
109
Applied Research Associates
109
Interrad Medical
109