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
2003
133 patents · 81 inventors
Ranked
#751
of 30,730 cities
Top 3%
Showing 51–81 of 81 inventors
Rank
Inventor
Primary Company
Patents
#31
Hajime Ishizaka
Shin-Etsu Chemical Co.
1
#31
Mitsukuni Sakashita
Shin-Etsu Chemical Co.
1
#31
Yuji Yamane
Shin-Etsu Chemical Co.
1
#31
Takatoshi Nagoya
Shin-Etsu Handotai Co.
1
#31
Masanori Mayusumi
Super Silicon Crystal Research Institute
1
#31
Yoshinori Inokuchi
Shin-Etsu Chemical Co.
1
#31
Hiroyuki IGUCHI
Shin-Etsu Chemical Co.
1
#31
Tsuyoshi Ohtsuki
Shin-Etsu Handotai Co.
1
#31
Shigeki Ino
Shin-Etsu Chemical Co.
1
#31
Masayasu Nagaoka
Shin-Etsu Chemical Co.
1
#31
Koji Mizuishi
Shin-Etsu Handotai Co.
1
#31
Minoru Takamizawa
Shin-Etsu Chemical Co.
1
#31
Akihito Tsukuno
Shin-Etsu Chemical Co.
1
#31
Akihiro Endo
Shin-Etsu Chemical Co.
1
#31
Eiichi Tabei
Shin-Etsu Chemical Co.
1
#31
Hitoshi Uehara
Shin-Etsu Chemical Co.
1
#31
Tomosuke Yoshida
Shin-Etsu Handotai Co.
1
#31
Kazushi Satoh
Shin-Etsu Chemical Co.
1
#31
Yoshinori Hirano
Nissan Motor Co.
1
#31
Shunji Aoki
Shin-Etsu Chemical Co.
1
#31
Waichi Yamamura
Shin-Etsu Chemical Co.
1
#31
Yuuji Tobisaka
Shin-Etsu Chemical Co.
1
#31
Minoru Igarashi
Shin-Etsu Chemical Co.
1
#31
Yoshiyuki Shiono
Shin-Etsu Chemical Co.
1
#31
Masahiro Sakurada
Shin-Etsu Handotai Co.
1
#31
Koji Ebara
Shin-Etsu Handotai Co.
1
#31
Weifeng QU
Shin-Etsu Handotai Co.
1
#31
Haruo Okamoto
Shin-Etsu Chemical Co.
1
#31
Hiroaki Kizaki
—
1
#31
Kazuyasu Sato
Shin-Etsu Chemical Co.
1
#31
Motoo Fukushima
Shin-Etsu Chemical Co.
1
« Prev
1
2