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
Hitachinaka, JP
1997
340 patents · 230 inventors
Ranked
#162
of 24,315 cities
Top 1%
Showing 101–150 of 230 inventors
Rank
Inventor
Primary Company
Patents
#65
Mitsuo Ogasawara
Hitachi
1
#65
Hideo Akiyama
Toray Industries
1
#65
Akinari Nakayama
Hitachi
1
#65
Yoshitaka Abe
Kokusan Parts Industry Co.
1
#65
Katsuhiko Sakai
Hitachi
1
#65
Yutaka Takaku
Hitachi
1
#65
Kyoko Imai
Hitachi
1
#65
Yoshinori Fukaya
Hitachi
1
#65
Yoshihisa Tsurumi
Hitachi
1
#65
Isao Shindo
Hitachi
1
#65
Shigenori Tahara
Hitachi
1
#65
Akio Tsujita
Ricoh Company
1
#65
Kouichi Kawaguchi
Toray Industries
1
#65
Hajime Yasuda
Nissan Motor Co.
1
#65
Keiji Oda
Hitachi
1
#65
Tetsuya Okishima
Hitachi
1
#65
Kazuyoshi Kuwahara
Kabushiki Kaisha Toshiba
1
#65
Sadayuki Ohnishi
Nec Electronics
1
#65
Yoshio Onodera
Nippon Piston Ring Co.
1
#65
Yasuo Kikuchi
Hitachi Koki Co.
1
#65
Munetaka Myochin
Doryokuro Kakunenryo Kaihatsu Jigyodan
1
#65
Tatsumi Nishijima
Hitachi
1
#65
Kaneo Kageyama
Hitachi
1
#65
Kyuji Yaginuma
Hitachi
1
#65
Mitsuo Noda
Howa Machinery
1
#65
Fumio Murata
Hitachi
1
#65
Takahiko Ookouchi
Hitachi
1
#65
Keiji Oshima
Hitachi
1
#65
Masayoshi Hayasaka
Hitachi
1
#65
Yasunori Mouri
Hitachi
1
#65
Shoichi Kotoku
Hitachi
1
#65
Morioki Kubozoe
Hitachi
1
#65
Ryuji Hoya
Hitachi
1
#65
Seishi Watahiki
Hitachi
1
#65
Katuhiro Ohmori
Hitachi Koki Co.
1
#65
Takahito Ishizuka
Hitachi Koki Co.
1
#65
Seiji Akiba
Hitachi Koki Co.
1
#65
Takao Terakado
Hitachi
1
#65
Takahiko Okouchi
Hitachi
1
#65
Syuuji Saitou
Hitachi
1
#65
Kojiro Horita
Hitachi
1
#65
Hiroshi Itahana
Hitachi
1
#65
Yoshikatu Hashimoto
Hitachi
1
#65
Kohki Kushima
Hitachi Koki Co.
1
#65
Takashi Mukaihira
Hitachi
1
#65
Yasuaki Komiyama
Hitachi
1
#65
Minoru Katoh
Hitachi
1
#65
Kazuhiko Kawaike
Hitachi
1
#65
Masato Miwa
Hitachi Koki Co.
1
#65
Yoshio Uemura
Hitachi
1
« Prev
1
2
3
4
5
Next »