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
Chiba, JP
2018
1,322 patents · 682 inventors
Ranked
#191
of 41,385 cities
Top 1%
Showing 51–100 of 682 inventors
Rank
Inventor
Primary Company
Patents
#48
Koichi Taniguchi
Canon
4
#48
Kuniaki Kawabe
Mitsui Chemicals
4
#48
Takahiro Sakaguchi
Teac
4
#48
Kazuhiro Miyasa
Canon
4
#48
Shinichiro Suzuki
Nippon Oil
4
#48
Hidefumi Yoshida
Sharp Kabushiki Kaisha
4
#48
Junji Taira
Seikoh Giken Co.
4
#48
Tomoko Matsui
Novozymes A/S
4
#48
Masanobu Tanaka
Canon
4
#48
Tomohiro Ishii
Sony
4
#48
Takeshi Uchiyama
Seiko Instruments
4
#48
Harumi Kodama
Dow Corning Toray Co.
4
#48
Yohei Fukuma
Sony
4
#48
Yohei Takaishi
Seikoh Giken Co.
4
#48
Ichiro Kanno
Canon
4
#48
Norimasa Arai
Seikoh Giken Co.
4
#48
Masahiro Takizawa
Hitachi Medical
4
#48
Masayuki Jibiki
Seikoh Giken Co.
4
#48
Katsuya MUGISHIMA
Seiko Instruments
4
#48
Hirotaka KANAYA
Mitsui Chemicals
4
#48
Yoshiaki Suzuki
Canon
4
#48
Kazuhiro Takizawa
Fujikura
4
#48
Hideta Habara
Hitachi
4
#48
Takashi Umeda
Sony
4
#48
Hiroshi Naruse
Kabushiki Kaisha Toshiba
4
#48
Shin Ishikawa
Jfe Steel
4
#48
Shigeo Nishikawa
Mitsui Chemicals
4
#48
Hiroshi Hoya
Mitsui Chemicals
4
#79
Tamotsu Maesawa
Seiko Instruments
3
#79
Gohei Kurokawa
Showa Denko K.K.
3
#79
Yo Taniguchi
Hitachi
3
#79
Haruki Mori
Canon
3
#79
Hirokazu Morita
Mitsui Chemicals
3
#79
Chihiro Tanaka
Japan Display
3
#79
Naoki Kurosawa
Smc
3
#79
Yasuaki Wakizaka
Showa Denko K.K.
3
#79
Yoko Shinohara
Seiko Instruments
3
#79
Hikaru Hanada
Hitachi
3
#79
Hirokazu Tokumoto
Canon
3
#79
Akito Mizutani
Jfe Steel
3
#79
Keiichi Ayabe
Novozymes A/S
3
#79
Masami Watanabe
Idemitsu Kosan Co.
3
#79
Nobuyuki Matsumoto
Kabushiki Kaisha Toshiba
3
#79
Akihiro Moriya
Mitsumi Electric Co.
3
#79
Ryo Sasaki
Canon
3
#79
Yoshihiko Nishimori
Mitsubishi Gas Chemical Company
3
#79
Shuichi Sugita
Konica
3
#79
Takaaki Hioka
Ablic
3
#79
Ryuji Shiratani
Sumitomo Construction Machinery Co.
3
#79
Keiko Fujita
Canon
3
« Prev
1
2
3
4
Next »