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
Adumino, JP
2022
174 patents · 74 inventors
Ranked
#1,235
of 44,143 cities
Top 3%
Showing 1–50 of 74 inventors
Rank
Inventor
Primary Company
Patents
1
Masayuki Takagi
Seiko Epson
14
2
Tokito Yamaguchi
Seiko Epson
13
3
Katsuhiro Okubo
Seiko Epson
6
3
Noriaki Hiraide
Seiko Epson
6
#5
Hiromu Miyazawa
Seiko Epson
5
#5
Shunya Fukuda
Seiko Epson
5
#5
Kaoru Takeuchi
Seiko Epson
5
#8
Hirotaka Yanagisawa
Seiko Epson
4
#8
Yuta ASAKAWA
Seiko Epson
4
#8
Hiroaki Okui
Seiko Epson
4
#8
Shoji Hinata
Seiko Epson
4
#8
Jun Handa
Harmonic Drive Systems
4
#13
Yasuyuki Matsumoto
Fanuc
3
#13
Chiaki SHIMADA
Seiko Epson
3
#13
Masashi Kanai
Seiko Epson
3
#13
Yosuke SAKURAI
Fuji Electric Co.
3
#13
Yuki HANAMURA
Seiko Epson
3
#13
Noboru Takizawa
Harmonic Drive Systems
3
#13
Akihiro Kashiwagi
Seiko Epson
3
#13
Eiju Hirai
Seiko Epson
3
#13
Kentaro Hara
Konica Minolta
3
#13
Norio Shirokoshi
Harmonic Drive Systems
3
#13
Hidefumi Sakata
Seiko Epson
3
#13
Isamu Sejimo
Seiko Epson
3
#13
Nobuo Sugiyama
Seiko Epson
3
#13
Wataru YASUMATSU
Seiko Epson
3
#27
Yoshihide Kiyosawa
Harmonic Drive Systems
2
#27
Kazuyoshi Kitabayashi
Seiko Epson
2
#27
Atsushi Nagahara
Seiko Epson
2
#27
Makoto Katase
Seiko Epson
2
#27
Akira Mashima
Seiko Epson
2
#27
Yoshiaki Shibasaki
Seiko Epson
2
#27
Norikazu Kadotani
Seiko Epson
2
#27
Sotaro Miyake
Harmonic Drive Systems
2
#27
Takamitsu KONDO
Seiko Epson
2
#27
Masataka Yoshida
Honda Motor Co.
2
#37
Shigeki Sato
Tdk
1
#37
Hitoshi TAKAAI
Seiko Epson
1
#37
Shinichi Tsubota
Seiko Epson
1
#37
Takashi Nammoto
Seiko Epson
1
#37
Shinichi Tsukagoshi
Seiko Epson
1
#37
Daisuke Orii
Harmonic Drive Systems
1
#37
Hidetoshi Hashizume
Seiko Epson
1
#37
Takaaki Akie
Seiko Epson
1
#37
Masaru Jingushi
Seiko Epson
1
#37
Syuhei Kobayashi
Harmonic Drive Systems
1
#37
Mitsuhiro Ichihara
Kissei Pharmaceutical Co.
1
#37
Munehide Kanaya
Seiko Epson
1
#37
Yuta Ito
Honda Motor Co.
1
#37
Shintaro Ueno
Fujitsu General Limited
1
1
2
Next »