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
1989
140 patents · 111 inventors
Ranked
#268
of 20,767 cities
Top 2%
Showing 51–100 of 111 inventors
Rank
Inventor
Primary Company
Patents
#19
Hideo Sawamoto
Hitachi
1
#19
Chikara Saeki
Kobe Steel
1
#19
Hiroyuki Kaido
The Yokohama Rubber Co.
1
#19
Shizuo Zushi
Hitachi
1
#19
Misuo Sugiyama
Speedfam Co.
1
#19
Yoshiki Hagiwara
Hitachi
1
#19
Norio Sengoku
Hitachi
1
#19
Takaji Takenaka
Hitachi
1
#19
Azuma Miyazawa
Olympus Optical Co.
1
#19
Hideyuki Fukasawa
Hitachi
1
#19
Kimitoshi Yamada
Hitachi
1
#19
Kazuo Nishijima
Hitachi
1
#19
Hiroshi Sekiyama
Hitachi
1
#19
Teruo Noro
Hitachi
1
#19
Yusuke Hino
Hitachi
1
#19
Yuusuke Takahashi
Kyocera
1
#19
Kenji Nakagawa
Fujitsu Limited
1
#19
Hiroshi Oishi
Sanshin Industries
1
#19
Seiichi Kawashima
Hitachi
1
#19
Shigeki Morimoto
Hitachi
1
#19
Chikara Saitou
Hitachi
1
#19
Koichi Karasaki
Hitachi
1
#19
Kenro Hayashi
Toshiba Ceramics Co.
1
#19
Yoshiakira Karakama
Hitachi
1
#19
Kazumi Tsujimoto
Kawasaki Kasei Chemicals
1
#19
Itaru Kusuyama
Hitachi
1
#19
Kunihisa Ono
Fujitsu Limited
1
#19
Ichizi Funazaki
Sokkisha Co.
1
#19
Shouji Tanaka
Hokko Chemical Industry Co.
1
#19
Hideo Iwakami
Hitachi
1
#19
Souhei Ikeda
Hitachi
1
#19
Teruo Itagaki
Hitachi
1
#19
Kenrou Hayashi
Toshiba Ceramics Co.
1
#19
Fumiyasu Banba
Hitachi
1
#19
Mitsuru Kaga
Ricoh Company
1
#19
Youichi Fukuoka
Hitachi
1
#19
Yuuichi Makaya
Hitachi
1
#19
Katsuro Wakai
Hitachi
1
#19
Kazuya Henmi
Topre
1
#19
Mikio Nogami
Hitachi
1
#19
Masahiro Wanami
Hitachi
1
#19
Nobuaki Ohki
Hitachi
1
#19
Reiji Oguma
Toshiba Ceramics Co.
1
#19
Yoshinori Sakataya
Hitachi
1
#19
Hedeki Kuwabara
Japan Styrene Paper
1
#19
Yoshio Gobara
Hitachi
1
#19
Hiroyoshi Eguchi
Hitachi
1
#19
Mitsunori Oka
Hitachi
1
#19
Haruo Tani
Sokkisha Co.
1
#19
Yatao Takesue
Hitachi
1
« Prev
1
2
3
Next »