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
›
Sunstar Engineering
SE
Sunstar Engineering
— 73 Patents
Rank
(All Time):
#9,391
of
106,120
Top 9%
120
inventors
73
Patents All Time
Top Inventors at Sunstar Engineering
All Time
Showing
1–50
of
120
inventors
Rank
Name
Patents
1
Shinji Okuda
7
2
Fumihiko Metsugi
6
2
Yoshinori Shinagawa
6
#4
Akihito Ohata
5
#4
Eiji Hattori
5
#4
Issei Oura
5
#4
Satoshi Kubota
5
#8
Masaharu Takada
4
#8
Tsuyoshi Nagata
4
#10
Fujita Katsuto
3
#10
Hiroyuki Nagata
3
#10
Hirokazu Okamoto
3
#10
Masayoshi Matsumura
3
#10
Nagata Tsuyoshi
3
#10
Takuro OMACHI
3
#10
Tsuyoshi Nakatsuji
3
#10
Yasuyuki Yoshimoto
3
#18
Hiroshi Maeda
2
#18
Hiroshi Ohigashi
2
#18
Kenji Akiyama
2
#18
Kiyoshi Nakayama
2
#18
Kiyotaka Obunai
2
#18
Kiichi Yamashita
2
#18
Kouji Kitao
2
#18
Masahiro Ito
2
#18
Masaaki Murase
2
#18
Masaru Sugimori
2
#18
Norihiko Takamori
2
#18
Norihiro Tameno
2
#18
Osamu Yazaki
2
#18
Takatomi NISHIDA
2
#18
Tadashi Takenaka
2
#18
Tetsuya Katayori
2
#18
Tomoharu USA
2
#18
Yoshimasu Tanaka
2
#18
Yuki Murayama
2
#37
Akihito Yoshiie
1
#37
Atsushi Saito
1
#37
Atsushi Uno
1
#37
Cesare Brioschi
1
#37
Davide Basso
1
#37
Daisuke Umemoto
1
#37
Fumi Mineshiba
1
#37
Hiroki Nishimura
1
#37
Hideaki Okada
1
#37
Hidekuni Takano
1
#37
Hiroyoshi Take
1
#37
Hirohide Tomoyasu
1
#37
Hiroko Yamazaki
1
#37
Hoshiaki Terao
1
1
2
3
Next »
Related Companies
Vast Data
73
Liberty Mutual Insurance
73
Tokuyama Dental
73
Designetics
73
Synchrony Bank
73
Mortarless Technologies
73
Inpex
73
Century Products
73
Marvin Lumber And Cedar Company
73