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
›
Sankyo Seiki Mfg. Co.
SC
Sankyo Seiki Mfg. Co.
— 262 Patents
Rank
(All Time):
#2,988
of
106,120
Top 3%
244
inventors
262
Patents All Time
Top Inventors at Sankyo Seiki Mfg. Co.
All Time
Showing
1–50
of
244
inventors
Rank
Name
Patents
1
Masato Gomyo
20
2
Hayato Naito
11
2
Masamichi Hayakawa
11
#4
Hiroshi Sakashita
9
#4
Tamotsu Nose
9
#4
Tadashi Takeda
9
#7
Hideki Kanebako
8
#8
Kenji Hirasawa
7
#8
Mitsuo Yokozawa
7
#8
Seiichiro Noritake
7
#11
Masayuki Katagiri
6
#11
Motonori Usui
6
#13
Eiji Mayumi
5
#13
Fusayoshi Aruga
5
#13
Fumito Komatsu
5
#13
Hisaya Nakagawa
5
#13
Hiroshi Nakamura
5
#13
Izumi Komatsu
5
#13
Kazushi Miura
5
#13
Kazunori Takahashi
5
#13
Kiyotsugu Takasawa
5
#13
Koichi Katakura
5
#13
Makoto Fujishima
5
#13
Makoto Orii
5
#13
Masayoshi Saichi
5
#13
Yoshio Hayashi
5
#27
Eiji Arasaki
4
#27
Eiji Imai
4
#27
Ikuo Kasuga
4
#27
Kazuo Higashiura
4
#27
Kenichi Hayashi
4
#27
Masahiro Ikeda
4
#27
Shigeyuki Nagata
4
#27
Shigeru Ozawa
4
#27
Takayuki Narita
4
#27
Toshihiro Kobayashi
4
#27
Yasushi Mizusaki
4
#27
Yohji Okada
4
#27
Yukinobu Yumita
4
#40
Akihiko Isaka
3
#40
Daisuke Higuchi
3
#40
Hironori Kurosawa
3
#40
Hiromasa Marumo
3
#40
Hideo Takezoe
3
#40
Katsuo Hashimoto
3
#40
Katsuhiko Hayashi
3
#40
Kazutoshi Ishikawa
3
#40
Ken Ishikawa
3
#40
Kiyoshi Nishimura
3
#40
Makoto Akabane
3
1
2
3
Next »
Related Companies
Pierre Fabre Médicament
263
Fujimi Incorporated
263
Nippon Seiki Co.
263
Sakata Seed
263
Ai Incorporated
263
Riverwood International
262
Goldstar Electron Co.
262
Bear Creek Gardens
262
Musco
262