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
Cities
States
Asaka, JP
1989
118 patents · 50 inventors
Ranked
#324
of 20,767 cities
Top 2%
Showing 1–50 of 50 inventors
Rank
Inventor
Primary Company
Patents
1
Akira Nahara
Fujitsu Limited
8
2
Masaru Noguchi
Fujitsu Limited
6
2
Toshimasa Usami
Fujitsu Limited
6
2
Hiroshi Sunagawa
Fujitsu Limited
6
2
Eiji Hosoya
Honda Motor Co.
6
#6
Masaaki Takimoto
Fujitsu Limited
5
#7
Osamu Seshimoto
Fujitsu Limited
4
#7
Harumi Katsuyama
Fujitsu Limited
4
#7
Koji Shimanuki
Fujitsu Limited
4
#10
Kiyoshi Negishi
Pentax
3
#10
Yuzo Iwata
Fujitsu Limited
3
#10
Yasunori Arai
Pentax
3
#10
Masaaki Terashima
Fujitsu Limited
3
#10
Yuji Ohara
Fujitsu Limited
3
#10
Keishiro Kido
Fujitsu Limited
3
#10
Masao Kitajima
Fujitsu Limited
3
#10
Akito Enokimoto
Honda Motor Co.
3
#10
Fumio Ohtomo
Topcon
3
#10
Fumiaki Shinozaki
Fujitsu Limited
3
#20
Shimesu Motoyama
Freund Industrial Co.
2
#20
Takeo Kiuchi
Honda Motor Co.
2
#20
Tomoyuki Tagami
Honda Motor Co.
2
#20
Kazunari Tezuka
Subaru
2
#20
Asaji Kondo
Fujitsu Limited
2
#20
Noboru Arai
Fujitsu Limited
2
#20
Seiji Horie
Fujitsu Limited
2
#20
Chikuni Kawakami
Fujifilm
2
#28
Kenichiro Yazawa
Fujitsu Limited
1
#28
Yukihiro Yamazaki
Konami Digital Entertainment Co.
1
#28
Kazuya Yoshio
Honda Motor Co.
1
#28
Akio Higashi
Fujitsu Limited
1
#28
Yukinobu Nakamura
Honda Motor Co.
1
#28
Itsuo Fujii
Fujitsu Limited
1
#28
Yosuke Nakajima
Fujitsu Limited
1
#28
Yohji Kurotobi
Honda Motor Co.
1
#28
Norio Takamura
Tanabe Seiyaku Co.
1
#28
Hajime Miyazuka
Fujitsu Limited
1
#28
Masayoshi Tsuboi
Fujitsu Limited
1
#28
Eiji Murao
Honda Motor Co.
1
#28
Yukio Takaoka
Pentax
1
#28
Isamu Hatanaka
Fujitsu Limited
1
#28
Toshinao Ukai
Fujitsu Limited
1
#28
Tomizo Namiki
Fujitsu Limited
1
#28
Shizuo Yagi
Honda Motor Co.
1
#28
Tadao Shibanuma
Yamanouchi Pharmaceutical Co.
1
#28
Junichi Araki
Honda Motor Co.
1
#28
Hiromichi Tachikawa
Fujitsu Limited
1
#28
Yoshihiro Homma
Canon
1
#28
Yuzo Mizobuchi
Fujitsu Limited
1
#28
Mitsutoshi Tanaka
Fujitsu Limited
1