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
Hadano, JP
1994
147 patents · 102 inventors
Ranked
#307
of 22,654 cities
Top 2%
Showing 1–50 of 102 inventors
Rank
Inventor
Primary Company
Patents
1
Azuma Miyazawa
Olympus Optical Co.
5
1
Shizuo Zushi
Hitachi
5
3
Shigeki Morimoto
Hitachi
4
3
Takao Ohba
Hitachi
4
3
Hideo Sawamoto
Hitachi
4
#6
Naoya Nishida
Canon
3
#6
Toshio Fujibayashi
Kansai Paint Co.
3
#6
Kenji Nakagawa
Fujitsu Limited
3
#6
Tetsu Kitami
The Yokohama Rubber Co.
3
#6
Katsumi Takeda
Hitachi
3
#6
Mitsuo Sasaki
Unisia Jecs
3
#12
Toshihiko Nakauchi
Hitachi
2
#12
Shigeko Yazawa
Hitachi
2
#12
Koichiro Omoda
Hitachi
2
#12
Hiromichi Komai
Ricoh Company
2
#12
Mitugu Shirai
Hitachi
2
#12
Hiraku Nakano
Sumitomo Electric Industries
2
#12
Shigemasa Sato
Nikon
2
#12
Fujio Wakui
Hitachi
2
#12
Yasuhiro Inagami
Hitachi
2
#12
Susumu Iwai
Hitachi
2
#12
Tadashi Yamamitsu
Hitachi
2
#12
Tadaaki Isobe
Hitachi
2
#12
Yoshio Kiriu
Hitachi
2
#12
Hiroshi Oishi
Sanshin Industries
2
#12
Mitsuo Takamatsu
Fujitsu Limited
2
#12
Kazuo Nishijima
Hitachi
2
#28
Junsei Taira
Kanebo, Limited
1
#28
Yoshihisa Tsuji
Kuraray Co.
1
#28
Masahiko Tabe
Nissan Motor Co.
1
#28
Takashi Ikenaga
Sony
1
#28
Yuji Kotaki
Fujitsu Limited
1
#28
Tadaaki Yoshinaka
Sony
1
#28
Takashi Akaosugi
Hitachi
1
#28
Takeshi Ukegawa
Ricoh Company
1
#28
Bunichi Fujita
Hitachi
1
#28
Tositada Netsu
Hitachi
1
#28
Chikahiko Nagata
Hitachi
1
#28
Hidetada Fukunaka
Hitachi
1
#28
Munehiro Haraguchi
Fujitsu Limited
1
#28
Mituo Maeda
Sumitomo Chemical
1
#28
Kazuaki Karasawa
Fujitsu Limited
1
#28
Hitoshi Yoshidome
Hitachi
1
#28
Haruhiko Imada
Hitachi
1
#28
Seigo Takasawa
Kyowa Hakko Kogyo Co.
1
#28
Tooru Hiraoka
Hitachi
1
#28
Toshinori Kuwabara
Hitachi
1
#28
Masatsugu Shinozaki
Hitachi
1
#28
Tutomu Koita
Hitachi
1
#28
Kouzou Kanda
Hitachi
1
1
2
3
Next »