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
1994
6,362 patents · 4,008 inventors
Ranked
#6
of 22,654 cities
Top 1%
Showing 251–300 of 4,008 inventors
Rank
Inventor
Primary Company
Patents
#137
Osamu Takeda
Toyota
4
#137
Hiroshi Wakabayashi
Nikon
4
#137
Hiroo Kanamori
Sumitomo Electric Industries
4
#137
Akihiro Nakahara
Renesas Electronics
4
#137
Mitsuru Fujii
Samsung
4
#137
Yasuo Kotaki
Canon
4
#137
Kazuya Uenishi
Fujitsu Limited
4
#137
Nobuhiko Sato
Canon
4
#137
Takashi Shoji
Fujitsu Limited
4
#137
Haruki Toda
Kabushiki Kaisha Toshiba
4
#137
Yoshihiro Inaba
—
4
#137
Kazunori Bannai
Ricoh Company
4
#263
Teruo Arashima
Canon
3
#263
Junzo Watanabe
Sony
3
#263
Kibatsu Shinohara
Nihon Koshuha Co.
3
#263
Osamu Ando
Shimadzu
3
#263
Katsuji Kitatani
Fujitsu Limited
3
#263
Masaki Watanabe
Fujitsu Limited
3
#263
Junji Okada
—
3
#263
Hiromichi Matsui
Sony
3
#263
Tsunetoshi Nagata
Canon
3
#263
Ichiro Ishida
Jvckenwood
3
#263
Yasuzo Tanaka
Furukawa Electric Co.
3
#263
Nobumasa Nishiyama
HGST
3
#263
Masaya Kadono
Semiconductor Energy Laboratory
3
#263
Toshiaki Tokita
Ricoh Company
3
#263
Masaki Yokoi
—
3
#263
Masaharu Nishiura
Fuji Electric Co.
3
#263
Shokyo Koh
Canon
3
#263
Ryouhei Kirisawa
Kabushiki Kaisha Toshiba
3
#263
Yoji Serizawa
Canon
3
#263
Masayuki Otsuka
Lapis Semiconductor Co.
3
#263
Tsutomu Yoshihara
Canon
3
#263
Hiroyoshi Maruyama
Canon
3
#263
Yoshinori Nagao
Canon
3
#263
Shuji Takahashi
The Yokohama Rubber Co.
3
#263
Hiroshi Sekine
Canon
3
#263
Takao Kumihashi
Hitachi
3
#263
Kazuhisa Okamoto
Honda Motor Co.
3
#263
Naokazu Miyawaki
Kabushiki Kaisha Toshiba
3
#263
Hiroshi Yusa
Canon
3
#263
Hiroshi Komorita
Kabushiki Kaisha Toshiba
3
#263
Hiroshi Gotou
Ricoh Company
3
#263
Keiji Ikemori
Canon
3
#263
Hideshi Abe
Sony
3
#263
Chiaki Goto
Fujitsu Limited
3
#263
Shuichi Saito
Nec
3
#263
Shinobu Gohara
Hitachi
3
#263
Junko Sato
Canon
3
#263
Junichi Saito
Nihon Tokushu Noyaku Seizo K.K.
3
« Prev
4
5
6
7
8
Next »