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
Musashino, JP
2023
985 patents · 412 inventors
Ranked
#325
of 43,797 cities
Top 1%
Showing 1–50 of 412 inventors
Rank
Inventor
Primary Company
Patents
1
Yusuke Yamada
Canon
17
2
Toshiro NAKAHIRA
NTT
13
3
Hiroyuki OSHIDA
NTT
11
3
Toshikazu Hashimoto
NTT
11
3
Tomoki Murakami
NTT
11
3
Hirantha Abeysekera
NTT
11
#7
Ryoichi Kasahara
NTT
9
#7
Yasushi Takatori
NTT
9
#7
Masahiro Nakagawa
Nikon
9
#10
Atsushi Takada
Oki Electric Industry Co.
8
#10
Yoshiaki Kisaka
NTT
8
#10
Koichi Ishihara
NTT
8
#10
Takahiro Kashiwazaki
NTT
8
#10
Takushi Kazama
NTT
8
#15
Osamu Tadanaga
NTT
7
#15
Naoki KITA
NTT
7
#15
Nobutatsu Koshobu
NTT
7
#15
Hiroki Sakuma
NTT
7
#15
Kaoru Arai
NTT
7
#15
Koji Embutsu
NTT
7
#15
Dai Ikarashi
NTT
7
#15
Ryo Igarashi
Okamura
7
#15
Takeshi Umeki
NTT
7
#15
Naotaka SHIBATA
NTT
7
#25
Shunichi Tsuboi
NTT
6
#25
Takeshi Komatsu
NTT
6
#25
Akihiro Tanabe
Canon
6
#25
Junji Sakamoto
Sanyo Electric Co.
6
#25
Daiki CHIBA
NTT
6
#25
Gentarou Ishihara
Yokogawa Electric
6
#25
Ayako Kouno
Yokogawa Electric
6
#25
Daisuke IIDA
NTT
6
#25
Hiroki Kawahara
NTT
6
#25
Yushi SHIRATO
NTT
6
#35
Mitsuaki AKIYAMA
NTT
5
#35
Hideaki Kimata
NTT
5
#35
Hitoshi SESHIMO
NTT
5
#35
Masaya Nohara
NTT
5
#35
Hayato FUKUZONO
NTT
5
#35
Tomoya HATANO
NTT
5
#35
Tsutomu Tatsuta
NTT
5
#35
Kenichi Tayama
NTT
5
#35
Junichi KANI
NTT
5
#35
Kana Masumoto
NTT
5
#35
Yoji Yamato
NTT
5
#35
Ryosuke Sato
Canon
5
#35
Keita KURIYAMA
NTT
5
#35
Mikayo Iwata
NTT
5
#35
Atsushi Taniguchi
NTT
5
#35
Shingo TSUKADA
NTT
5
1
2
3
Next »