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
Yamanashi, JP
2017
753 patents · 385 inventors
Ranked
#319
of 41,746 cities
Top 1%
Showing 1–50 of 385 inventors
Rank
Inventor
Primary Company
Patents
1
Kazuhiro Watanabe
Sony
19
2
Mamoru Kubo
Fanuc
15
3
Rie Oota
Fanuc
11
3
Tomoyuki Yamamoto
Sharp Kabushiki Kaisha
11
#5
Takahiro Fujii
Sony
9
#5
Kazunori Kanai
Panasonic
9
#5
Kenta Yamamoto
Fanuc
9
#8
Masahiro Murota
Fanuc
8
#8
Yuki Ochiai
Citizen Electronics Co.
8
#10
Soichi Arita
Fanuc
7
#10
Tomohiro Abe
Mitsui Chemicals
7
#10
Shingo Kuriki
Citizen Electronics Co.
7
#10
Satoshi Ikai
Fanuc
7
#14
Yoshiharu Nagatsuka
Fanuc
6
#14
Tadashi Okita
Fanuc
6
#14
Yuki Ishii
Fujitsu Limited
6
#14
Masaya Takahashi
Canon
6
#14
Shigeru Kasai
Tokyo Electron Limited
6
#14
Hisashi Osada
Canon
6
#14
Yasuhiro Naitou
Fanuc
6
#14
Shingo Yamada
Panasonic
6
#22
Hiroki Murakami
Tokyo Electron Limited
5
#22
Junichi Tezuka
Fanuc
5
#22
Masato Watanabe
Ts Tech Co.
5
#22
Toshihiko Tsujikawa
Panasonic
5
#22
Gaku Isobe
Fanuc
5
#22
Hiromitsu Takahashi
Fanuc
5
#22
Toyohiko Amano
Citizen Electronics Co.
5
#22
Hitoshi Ishida
Kobe Steel
5
#22
Takahiro Iwatake
Fanuc
5
#22
Junichi Ogawa
Terumo Kabushiki Kaisha
5
#32
Eiichi Shinohara
Tokyo Electron Limited
4
#32
Yutaka Fujino
Tokyo Electron Limited
4
#32
Naoto Sonoda
Fanuc
4
#32
Satoshi Adachi
Fanuc
4
#32
Hideki Okamura
Fanuc
4
#32
Tatsuhiro Uchiyama
Fanuc
4
#32
Toru Ochiai
Nikon
4
#32
Katsuhiko Itoh
Panasonic
4
#32
Kaoru Hiraga
Fanuc
4
#32
Shuji Sato
—
4
#32
Hiroji Nishi
Fanuc
4
#32
Yuichi Takenaga
Japan Aviation Electronics Industry, Limited
4
#32
Yohei Arimatsu
Fanuc
4
#32
Yutaka Motoyama
Tokyo Electron Limited
4
#32
Yoshikiyo Tanabe
Fanuc
4
#32
Yoshiaki Kurobe
Fanuc
4
#32
Yasuo Hasegawa
Fanuc
4
#32
Tetsuhisa Takazane
Fanuc
4
#32
Hiroshi Takigawa
Fanuc
4
1
2
3
Next »