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
Ootawara, JP
2003
42 patents · 28 inventors
Ranked
#2,052
of 30,730 cities
Top 7%
Showing 1–28 of 28 inventors
Rank
Inventor
Primary Company
Patents
1
Naohisa Kamiyama
Kabushiki Kaisha Toshiba
6
2
Tetsuya Kawagishi
Kabushiki Kaisha Toshiba
4
3
Masaaki Yamanaka
Oji Yuka Goseishi Co.
3
#4
Tomonari Ishihara
Kabushiki Kaisha Toshiba
2
#4
Satoshi Matsuo
Kabushiki Kaisha Toshiba
2
#4
Hideki Ide
Kabushiki Kaisha Toshiba
2
#4
Mitsushi Ikeda
Kabushiki Kaisha Toshiba
2
#8
Fumiyasu Sakaguchi
Kabushiki Kaisha Toshiba
1
#8
Shigehide Kuhara
Kabushiki Kaisha Toshiba
1
#8
Masahide Ichihashi
Canon
1
#8
Seiji Nozaki
Kabushiki Kaisha Toshiba
1
#8
Yoichi Hazama
Kabushiki Kaisha Toshiba
1
#8
Hiroshi Aradate
Kabushiki Kaisha Toshiba
1
#8
Yuuzo Yoshida
Kabushiki Kaisha Toshiba
1
#8
Takeshiro Suzuki
Kabushiki Kaisha Toshiba
1
#8
Toshiaki Kawano
Toshiba Medical Systems
1
#8
Tsuyoshi Yoshie
Kabushiki Kaisha Toshiba
1
#8
Ryoichi Fukasawa
Jasco
1
#8
Hitoshi Chiyoma
Kabushiki Kaisha Toshiba
1
#8
Hiromitsu Takamori
Toshiba Medical Systems
1
#8
Hiroshi Aida
Kyocera
1
#8
Hiroko Umazaki
Kabushiki Kaisha Toshiba
1
#8
Hiroaki Miyazaki
Olympus Optical Co.
1
#8
Masao Jimbo
Anzai Medical Kabushiki Kaisha
1
#8
Akihiro Akamatsu
Toshiba
1
#8
Yoshimasa Ogo
Mitsui Chemicals
1
#8
Masatoshi Nishino
Sony
1
#8
Ayumi Katsunuma
Kabushiki Kaisha Toshiba
1