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
Annaka City, JP
1989
61 patents · 35 inventors
Ranked
#655
of 20,767 cities
Top 4%
Showing 1–35 of 35 inventors
Rank
Inventor
Primary Company
Patents
1
Minoru Takamizawa
Shin-Etsu Chemical Co.
6
1
Kunio Itoh
Shin-Etsu Chemical Co.
6
3
Toshio Shiobara
Shin-Etsu Chemical Co.
3
3
Yuji Yamane
Shin-Etsu Chemical Co.
3
3
Masayuki Iwasaki
Fujitsu Limited
3
3
Masanao Kamei
Shin-Etsu Chemical Co.
3
3
Hisayoshi Yamaguchi
Shin-Etsu Handotai Co.
3
#8
Kazutoshi Tomiyoshi
Shin-Etsu Chemical Co.
2
#8
Mizuho Imai
Kabushiki Kaisha Toshiba
2
#8
Toshio Takago
—
2
#8
Mitsuo Umemura
Shin-Etsu Chemical Co.
2
#8
Susumu Ueno
Shin-Etsu Chemical Co.
2
#8
Masayuki Ikeno
Shin-Etsu Chemical Co.
2
#14
Kouji Mizuishi
Shin-Etsu Handotai Co.
1
#14
Kiyoyuki Mutoh
Shin-Etsu Chemical Co.
1
#14
Shohei Kozakai
Shin-Etsu Chemical Co.
1
#14
Koji Futatsumori
Shin-Etsu Chemical Co.
1
#14
Kenichi Takita
Shin-Etsu Chemical Co.
1
#14
Motoyuki Yamada
Shin-Etsu Chemical Co.
1
#14
Seizi Katayama
Shin-Etsu Chemical Co.
1
#14
Kouichirou Kobayashi
Shin-Etsu Chemical Co.
1
#14
Yasuo Komatsuzaki
Shin-Etsu Handotai Co.
1
#14
Motoo Fukushima
Shin-Etsu Chemical Co.
1
#14
Takeshi Koitabashi
Sanden
1
#14
Hiroyuki IGUCHI
Shin-Etsu Chemical Co.
1
#14
Toshio Shinohara
Shin-Etsu Chemical Co.
1
#14
Kimitaka Kumagae
Shin-Etsu Chemical Co.
1
#14
Masato Kanari
Shin-Etsu Chemical Co.
1
#14
Takanori Ito
Toyota
1
#14
Kazushi Satoh
Shin-Etsu Chemical Co.
1
#14
Masanobu Miyakoshi
Shin-Etsu Chemical Co.
1
#14
Kiyohiro Kondow
Shin-Etsu Chemical Co.
1
#14
Kiyosh Miyazawa
Sanden
1
#14
Hiroshi Oohashi
Shin-Etsu Chemical Co.
1
#14
Yoshio Okamura
Shin-Etsu Chemical Co.
1