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
Fuchu, JP
1997
92 patents · 69 inventors
Ranked
#632
of 24,315 cities
Top 3%
Showing 1–50 of 69 inventors
Rank
Inventor
Primary Company
Patents
1
Tetsuhiko Okada
Hitachi
4
2
Atsushi Sekiguchi
Anelva
3
2
Toshiyuki Sameshima
Sony
3
2
Yotsuo Yahisa
Hitachi
3
#5
Kazuo Uchida
Koyo Seiko Co.
2
#5
Yukio Honda
Hitachi
2
#5
Yoshikazu Tamura
Sumitomo Wiring Systems
2
#5
Yoshiaki Hayashi
Sumitomo Chemical
2
#5
Emiko Morooka
Casio Computer Co.
2
#5
Shiro Koyama
Tokyo Electron Limited
2
#5
Hayao Ohzu
Canon
2
#5
Haruo Takeuchi
Dai Nippon Printing Co.
2
#5
Nobuo Sakate
Mazda Motor
2
#5
Seiji Kageyama
Hitachi
2
#5
Shinichi Tominaga
3M
2
#5
Yukio Sai
Kabushiki Kaisha Toshiba
2
#5
Tsuneyo Seki
Kabushiki Kaisha Toshiba
2
#5
Shumi Akazawa
Ryobi
2
#19
Nobuyoki Takahashi
Anelva
1
#19
Tathunori Mushya
Hitachi
1
#19
Fuminori Akao
Kitagawa Seiki Kabushiki Kaisha
1
#19
Shunsuke Tazai
Whitaker &
1
#19
Hirohisa Usuami
Hitachi
1
#19
Etsuro Sasaki
Ace Denken Co.
1
#19
Michihiko Nakamura
Toyoda Gosei Co.
1
#19
Koji Taira
Japan Tobacco
1
#19
Katsuhiko Harada
Fuji Oozx
1
#19
Kasahara Katsunori
Molex
1
#19
Kazutoshi Miyake
Toyoda Gosei Co.
1
#19
Keizi Ishibashi
Anelva
1
#19
Hitoshi Jimba
Anelva
1
#19
Shuichi Miyaoka
Hitachi
1
#19
Yumiko Yamaguchi
Seiko Instruments
1
#19
Masahisa Ikejiri
Seiko Epson
1
#19
Yoshikazu Aoto
Hitachi
1
#19
Yawara Kaneko
Agilent Technologies
1
#19
Kazuo Teramoto
Citizen Watch Co.
1
#19
Yuichiro Ogawa
Bridgestone
1
#19
Kenji Taki
Konica Minolta
1
#19
Kazumi Ito
Olympus
1
#19
Ryu Maeda
Furukawa Electric Co.
1
#19
Shuichi Hisatomi
Kabushiki Kaisha Toshiba
1
#19
Nobuhiro Miyatake
Apple
1
#19
Kunio Nakajima
Seiko Instruments
1
#19
Akira Tamagawa
Olympus Optical Co.
1
#19
Nobuyuki Ishibashi
Kinyosha Co.
1
#19
Hajime Iguchi
Casio Computer Co.
1
#19
Nobuto Kai
—
1
#19
Kyo Akagi
Hitachi
1
#19
Minoru Furuya
Teijin Limited
1
1
2
Next »