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
Yokohama, JP
2004
735 patents · 221 inventors
Ranked
#122
of 30,370 cities
Top 1%
Showing 51–100 of 221 inventors
Rank
Inventor
Primary Company
Patents
#45
Mitsuo Takahashi
Seikoh Giken Co.
5
#45
Takeshi Fujita
Takeda Chemical Industries
5
#45
Shinya Tanaka
Ricoh Company
5
#45
Naoto Suzuki
Toyota
5
#55
Kenji Kojima
Seiko Epson
4
#55
Toshifumi Kojima
Ngk Spark Plug Co.
4
#55
Kenji Nagai
Tokyo Electron Limited
4
#55
Tetsuya Saito
Canon
4
#55
Kiyotaka Kobayashi
Panasonic
4
#55
Tetsuji Suzuki
Victor Company Of Japan
4
#55
Yasushi Sato
Canon
4
#55
Ryoji Suzuki
Sony
4
#55
Yasuo Inoue
Mitsubishi Electric
4
#55
Shinichi Matsumoto
Toyota
4
#55
Ryoichi Tanaka
Seiko Epson
4
#55
Yasuyuki Suzuki
Canon
4
#55
Hiroki Tajima
Canon
4
#68
Yasuo Kato
Brother Kogyo
3
#68
Yoshinori Ito
Canon
3
#68
Masahiro Shibata
Canon
3
#68
Shinichi Kobayashi
Seiko Epson
3
#68
Satoshi Sugaya
Ngk Spark Plug Co.
3
#68
Jun Aoki
Olympus
3
#68
Satoshi Nishida
Canon
3
#68
Takuya Okamoto
Hitachi
3
#68
Masaaki Takahashi
Canon
3
#68
Hirofumi Kobayashi
Ricoh Company
3
#68
Akira Kojima
Hitachi
3
#68
Hiroki Sato
Sony
3
#68
Hiroki Inagaki
Kabushiki Kaisha Toshiba
3
#68
Katsuyuki Kobayashi
Canon
3
#68
Kenichi Ishikawa
Kabushiki Kaisha Toshiba
3
#68
Satoshi Ogawa
Ricoh Company
3
#68
Atsushi Itoh
—
3
#68
Yasuhiro Yamazaki
Kokusai Denshin Denwa Co.
3
#68
Kazuyuki Suzuki
Komatsu
3
#68
Keita Tanaka
Kabushiki Kaisha Toshiba
3
#68
Koji Kato
Ricoh Company
3
#68
Masashi Morikawa
Toyota
3
#68
Kenichi Ogawa
Canon
3
#68
Kazuhito Shimoda
Sony
3
#68
Masahide Hasegawa
Canon
3
#68
Yasushi Nagai
Clarion Co.
3
#68
Toshihiko Suzuki
—
3
#68
Takashi Maeno
Canon
3
#68
Kazunori Yamamoto
Hitachi Chemical Company
3
#68
Kenji Oota
Mitsubishi Electric
3
#68
Takashi Yoshikawa
Nec
3
#68
Hidetoshi Tanaka
Kobe Steel
3
#68
Yutaka Ogasawara
Toyoda Gosei Co.
3
« Prev
1
2
3
4
Next »