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
2004
490 patents · 322 inventors
Ranked
#173
of 30,370 cities
Top 1%
Showing 51–100 of 322 inventors
Rank
Inventor
Primary Company
Patents
#36
Sadato Yoshida
Sanshin Industries
2
#36
Jun Ishii
Nitto Denko
2
#36
Yoshinori Honda
Hitachi
2
#36
Takashi Kasahara
Hamamatsu Photonics K.K.
2
#36
Kazuhisa Miyaguchi
Hamamatsu Photonics K.K.
2
#36
Yoshiyuki Umeda
Hitachi
2
#36
Yutaka Tohgi
Yamaha
2
#36
Motoichi Tamura
Yamaha
2
#36
Takeo Noda
Asmo Co.
2
#36
Toshihisa Suzuki
Yamaha
2
#36
Kozo Tokuda
Yamaha
2
#36
Hideki Shimoi
Hamamatsu Photonics K.K.
2
#36
Motoyasu Yano
Sony
2
#36
Hideaki Muramatsu
Jvckenwood
2
#36
Junichi Fujimori
Yamaha
2
#36
Kazuhisa Okamura
Yamaha
2
#36
Shigehiko Mizuno
Yamaha
2
#36
Toshiharu Hoshi
Yamaha
2
#36
Ken Shibano
Suzuki Motor
2
#36
Kazuki Fujita
Hamamatsu Photonics K.K.
2
#36
Fumihiro Shigenaga
Yamaha
2
#36
Masao Sakama
Yamaha
2
#36
Shinichi Yamada
Sumitomo Wiring Systems
2
#36
Yukimasa Okumura
Yamaha
2
#36
Ryuji Hamada
Suzuki Motor
2
#36
Takaji Yamashita
Hamamatsu Photonics K.K.
2
#36
Yasuyuki Umeyama
Yamaha
2
#36
Hideo Omoto
Central Glass Company, Limited
2
#36
Toshiya Iida
Nippon Shokubai Co.
2
#36
Harumi Okai
Denso
2
#36
Chitoshi Saito
Sanshin Industries
2
#36
Hirofumi Kan
Hamamatsu Photonics K.K.
2
#36
Jiro Toda
Yamaha
2
#36
Katsuya Ishikawa
Fujitsu Limited
2
#36
Tetsuo Nishimoto
Nippon Gakki Seizo
2
#36
Hiroshi Nakaya
Yamaha
2
#87
Yasushi Kurakake
Yamaha
1
#87
Tsuyoshi Futamase
Nippon Gakki Seizo
1
#87
Seiichi Murakami
Asmo Co.
1
#87
Kazuhide Uchida
Denso
1
#87
Tetsuya Ishino
Sanshin Industries
1
#87
Yoshinori Hatanaka
Mitsubishi Electric
1
#87
Masahiko Iwase
Daikin Seisakusho
1
#87
Jiro Saiga
Suzuki Co.
1
#87
Kazushi Sugishima
Asmo Co.
1
#87
Masaya Ogura
Canon
1
#87
Hisashi Okamoto
Suzuki Motor
1
#87
Tadaharu Kato
Yamaha
1
#87
Yoneyoshi Kitagawa
Hamamatsu Photonics K.K.
1
#87
Hideki Nagasaka
Mitsubishi Chemical
1
« Prev
1
2
3
4
Next »