Patent Leaderboard
USPTO Patent Rankings
Data through Dec 31, 2025
Search
Companies
Inventors
Cities
States
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
Home
›
Companies
›
Piolax
PI
Piolax
— 316 Patents
Rank
(All Time):
#2,541
of
106,120
Top 3%
198
inventors
316
Patents All Time
Top Inventors at Piolax
All Time
Showing
1–50
of
198
inventors
Rank
Name
Patents
1
Hisashi Nakasone
26
2
Shigeo Okada
22
3
Oomi Arisaka
17
#4
Kenta Mihara
14
#5
Kouichi Kato
12
#6
Hiroshi Nakazato
11
#6
Ryou Aoki
11
#6
Shinichi Matsuo
11
#9
Nobuya Shinozaki
9
#9
Toshihiro Shimizu
9
#9
Yasuki Wakabayashi
9
#12
Satoshi Yamada
8
#12
Takeshi Nakajima
8
#14
Kazunori Machida
7
#14
Naoki Morita
7
#16
Hiroaki Ichioka
6
#16
Kouichi Katoh
6
#16
Kosei Yamaguchi
6
#16
Ryu Hattori
6
#16
Toshie Fueki
6
#16
Toshihiko Ookawara
6
#22
Jun Saito
5
#22
Kazuhiro Mita
5
#22
Kazuki Yajima
5
#22
Ken Sodeyama
5
#22
Kenji Yonezawa
5
#22
Masahiro Najima
5
#22
Naoki Yoshida
5
#22
Nobuhiro Hirata
5
#22
Seiji Sawatani
5
#22
Takeshi Kuroda
5
#22
Yukihiro Sotome
5
#33
Akira Yoneoka
4
#33
Hikaru Kiyota
4
#33
Hitoshi Miyamae
4
#33
Jung Hyung Cho
4
#33
Kazunori Asano
4
#33
Masahiro Aihara
4
#33
Masashi Furuya
4
#33
Morihiko Kishi
4
#33
Takashi Koike
4
#33
Takao Nagai
4
#33
Tomoyoshi Ohnuki
4
#44
Katsuya Toriumi
3
#44
Kenji Morita
3
#44
Kenji Oyama
3
#44
Kiichiro Ito
3
#44
Masami Wakamori
3
#44
Moto Nakagawa
3
#44
Naoki Sugimoto
3
1
2
3
Next »
Related Companies
Hunter Engineering
317
Biomet Sports Medicine
317
Woodward
317
National University Corporation Nagoya University
317
Konami Gaming
316
Lego A/S
316
Heartflow
316
Gilbarco
315
Cloudflare
315