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
›
Topcon
TO
Topcon
— 67 Patents in 2017
Rank
(2017):
#585
of
29,970
Top 2%
81
inventors
67
Patents 2017
Top Inventors at Topcon
2017
Showing
1–50
of
81
inventors
Rank
Name
Patents
1
Fumio Ohtomo
12
2
Kaoru Kumagai
10
2
Kazuki Osaragi
10
#4
Mitsuo Ishii
9
#4
Nobuyuki Nishita
9
#6
Hitoshi Otani
7
#7
Yasufumi Fukuma
5
#8
Takeshi Ishida
4
#8
Tetsuji Anai
4
#10
Hisashi Tsukada
3
#10
Masahiro Akiba
3
#10
Masayuki Momiuchi
3
#10
Shigetaka Tsuri
3
#14
Atsushi Kubota
2
#14
Atsushi Tanahashi
2
#14
Goro Iwasaki
2
#14
Hisashi Isozaki
2
#14
Hiroyuki Nakabe
2
#14
Jumpei Kochi
2
#14
Satoshi Nakamura
2
#14
Takeo Aoki
2
#14
Taizo Eno
2
#14
Takashi Fujimura
2
#14
Tadayuki Ito
2
#14
Tomohiro Sakurada
2
#26
Akira Ooide
1
#26
Akinobu Sugiura
1
#26
Akitoshi Yoshida
1
#26
Atsushi Shoji
1
#26
Atsushi Utsunomiya
1
#26
Daisuke Sasaki
1
#26
Eiichi Yanagi
1
#26
Foster Robert
1
#26
Fumihiko Kamizono
1
#26
Hirotake Maruyama
1
#26
Hiroshi Akiyama
1
#26
Hiroki Oe
1
#26
Hiroaki Okada
1
#26
Hitoshi Ootani
1
#26
Hitoshi Shimizu
1
#26
Hideaki Tokoro
1
#26
Hirokazu Yamada
1
#26
Ikuo Ishinabe
1
#26
Ishihara Mutsutaka
1
#26
Junichi Kodaira
1
#26
Jun Sakai
1
#26
Jun Sasagawa
1
#26
Kazuhiro Morita
1
#26
Kazuhiro Ogawa
1
#26
Kazuhiro Omori
1
1
2
Next »
Related Companies
Biosense Webster (Israel)
68
Agilent Technologies
68
Zeon
67
Yokogawa Electric
67
University Of Southern California
67
Mann+Hummel Gmbh
67
Hanwha Techwin Co.
67
Fujitsu Component Limited
67
Fresenius Medical Care Deutschland Gmbh
67