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
Yamato, JP
1994
135 patents · 85 inventors
Ranked
#341
of 22,654 cities
Top 2%
Showing 51–85 of 85 inventors
Rank
Inventor
Primary Company
Patents
#23
Makoto Handa
Teijin Limited
1
#23
Hirokazu Ikeda
Hitachi
1
#23
Takashi Ashida
IBM
1
#23
Iwao Hamaguchi
Ricoh Company
1
#23
Toshihiko Arai
Aida Engineering
1
#23
Isao Tsushima
Hitachi
1
#23
Toshihisa Hirata
Molex
1
#23
Ikuo Kimura
Hitachi
1
#23
Naoto Kawamura
Mercian
1
#23
Michio Takeda
Nippon Carbon Co.
1
#23
Jitsunari Kojima
Olympus Optical Co.
1
#23
Masami Jikihara
Hitachi
1
#23
Hisanori Kanasashi
Sumitomo Electric Industries
1
#23
Shigefumi Odaohara
IBM
1
#23
Yoshiaki Okayama
Nohmi Bosai
1
#23
Shigeru Shirai
Canon
1
#23
Jun'ichi Tanahashi
—
1
#23
Tatsuru Kanamori
Olympus Optical Co.
1
#23
Noboru Yamada
Mitsubishi Kasei
1
#23
Masaki Imaizumi
Olympus Optical Co.
1
#23
Masaharu Hongo
Otis Elevator
1
#23
Shigeru Ohtawa
Tokyo Ohka Kogyo Co.
1
#23
Ryuichi Sada
Mitsumi Electric Co.
1
#23
Kaoru Imai
Hitachi
1
#23
Masato Aizawa
Hochiki
1
#23
Seiichi Nozawa
—
1
#23
Fumio Kawaguchi
Hitachi
1
#23
Toshihiko Ujtia
Canon
1
#23
Kazuo Iimura
IBM
1
#23
Koumei Nagai
Olympus Optical Co.
1
#23
Takahiro Mibe
Nissan Motor Co.
1
#23
Masami Sugimori
Canon
1
#23
Nobuhiro Ito
Canon
1
#23
Masaharu Itoh
Lenovo (Singapore) Pte.
1
#23
Kiichi Yamashita
Hitachi
1
« Prev
1
2