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
2021
860 patents · 237 inventors
Ranked
#365
of 42,968 cities
Top 1%
Showing 1–50 of 237 inventors
Rank
Inventor
Primary Company
Patents
1
Takeshi Watanabe
Kabushiki Kaisha Toshiba
28
2
Kazuya Watanabe
Aisin Seiki Kabushiki Kaisha
20
3
Takashi Nose
Synaptics Incorporated
15
#4
Yoshinori Tanaka
Fujitsu Limited
14
#5
Masato Tanabe
Canon
12
#5
Yasuo Kato
Brother Kogyo
12
#5
Hiroki Sato
Sony
12
#8
Satoru Yamada
Canon
11
#8
Takayuki Ito
Pentax
11
#8
Tatsuya Suzuki
Olympus Optical Co.
11
#11
Koji Kato
Ricoh Company
10
#11
Hiroshi Ikeda
Sony
10
#11
Koji Kamiya
Sony
10
#11
Yuji Watanabe
IBM
10
#11
Junya Suzuki
Ricoh Company
10
#11
Seiji Kobayashi
Sony
10
#17
Hajime Sato
Canon
9
#17
Keisuke Kimura
Renesas Electronics
9
#17
Jun Tanaka
Honda Motor Co.
9
#17
Akira Kojima
Hitachi
9
#17
Katsushige Yamada
Toray Industries
9
#17
Takeshi Naito
Omron
9
#17
Yoshinori Ito
Canon
9
#17
Tetsuya Watanabe
Fujifilm
9
#25
Junya Morita
Fujifilm
8
#25
Kenichi Watanabe
Fujitsu Semiconductor Limited
8
#25
Takuya Okamoto
Hitachi
8
#25
Hiroki Mori
Brother Kogyo
8
#25
Toru Inoue
—
8
#25
Keita Suzuki
Olympus
8
#25
Tomohiro Nakamura
Hitachi
8
#25
Hiroyuki Watanabe
Teac
8
#33
Kenichi Ogawa
Canon
7
#33
Satoshi Mitsui
Ricoh Company
7
#33
Jun Yamada
Denso
7
#33
Koji Sasaki
Canon
7
#33
Yusuke Sato
Eagle Industry Co.
7
#33
Shinichi Kobayashi
Seiko Epson
7
#33
Hiroshi Sasaki
Hitachi
7
#40
Kazunori Yamamoto
Hitachi Chemical Company
6
#40
Keita Tanaka
Kabushiki Kaisha Toshiba
6
#40
Daisuke Ogawa
Fujitsu Limited
6
#40
Hiroyuki Kojima
Honda Motor Co.
6
#40
Seiichiro Jinta
Sony
6
#40
Ryoichi Tanaka
Seiko Epson
6
#40
Yoshitoshi Kida
Japan Display
6
#40
Satoshi Nishida
Canon
6
#40
Satoshi Ogawa
Ricoh Company
6
#40
Yoshiaki Kato
Mitsubishi Electric
6
#50
Nobuhiro Takeda
Canon
5
1
2
3
Next »