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
Hamamatsu, JP
2016
717 patents · 415 inventors
Ranked
#324
of 40,593 cities
Top 1%
Showing 1–50 of 415 inventors
Rank
Inventor
Primary Company
Patents
1
Shusaku Goto
Nitto Denko
12
2
Jun Ishii
Nitto Denko
10
3
Tetsuya Sato
Canon
8
3
Katsumi Shibayama
Hamamatsu Photonics K.K.
8
#5
Yuichi Sugiyama
Taiyo Yuden Co.
7
#6
Keisuke Uchida
Tdk
6
#6
Kenta Ohnishi
Yamaha
6
#6
Keisuke Daikoku
Suzuki Motor
6
#6
Norikazu Sugiyama
Hamamatsu Photonics K.K.
6
#6
Masaharu Muramatsu
Hamamatsu Photonics K.K.
6
#6
Masaki Hirose
Hamamatsu Photonics K.K.
6
#12
Yuu Takiguchi
Hamamatsu Photonics K.K.
5
#12
Tadataka Edamura
Hamamatsu Photonics K.K.
5
#12
Nobuyuki Shomura
Suzuki Motor
5
#12
Yutaka Kusuyama
Hamamatsu Photonics K.K.
5
#12
Fumitsugu Fukuyo
Hamamatsu Photonics K.K.
5
#12
Toshiyasu Suyama
Hamamatsu Photonics K.K.
5
#12
Terumasa Nagano
Hamamatsu Photonics K.K.
5
#19
Yasutoshi Nakamura
Roland Dg
4
#19
Takashi Kasahara
Hamamatsu Photonics K.K.
4
#19
Masanori Okada
Hitachi Koki Co.
4
#19
Naota Akikusa
Hamamatsu Photonics K.K.
4
#19
Akinori Yamazaki
Suzuki Motor
4
#19
Kazuhisa Yamamura
Hamamatsu Photonics K.K.
4
#19
Masaaki Okabayashi
Yamaha
4
#19
Koichiro Kawata
Suzuki Motor
4
#19
Naoto Sakurai
Hamamatsu Photonics K.K.
4
#19
Ryotaro Aoki
Yamaha
4
#19
Hidenao Iwai
Hamamatsu Photonics K.K.
4
#19
Masao Noro
Yamaha
4
#19
Tsuyoshi Maruyama
Brother Kogyo
4
#19
Yutaka Yamashita
Hamamatsu Photonics K.K.
4
#19
Jun Sakurai
—
4
#19
Tomofumi Suzuki
Hamamatsu Photonics K.K.
4
#19
Hongxin Huang
Hamamatsu Photonics K.K.
4
#19
Mototsugu Sugiyama
Hamamatsu Photonics K.K.
4
#19
Tadashi Sugiyama
Ibiden Co.
4
#19
Toru Fujita
Seiko Epson
4
#19
Yoshisato Inayama
Suzuki Motor
4
#19
Katsunori Suzuki
Hitachi
4
#41
Masanori ISHIHARA
Casio Computer Co.
3
#41
Masanori Yamashita
Hamamatsu Photonics K.K.
3
#41
Shintaro Toyama
Hamamatsu Photonics K.K.
3
#41
Akiomi Ujima
Hamamatsu Photonics K.K.
3
#41
Yoshimaro Fujii
Hamamatsu Photonics K.K.
3
#41
Koji Kuno
Hamamatsu Photonics K.K.
3
#41
Mizuyuki Shirai
Yamaha
3
#41
Naoki Uchiyama
Hamamatsu Photonics K.K.
3
#41
Kazuue Fujita
Hamamatsu Photonics K.K.
3
#41
Tomonori Nakamura
Hamamatsu Photonics K.K.
3
1
2
3
Next »