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
Maebashi, JP
2017
58 patents · 31 inventors
Ranked
#2,772
of 41,746 cities
Top 7%
Showing 1–31 of 31 inventors
Rank
Inventor
Primary Company
Patents
1
Hiroshi Kakita
Nsk
7
2
Fumiaki Mitsuhashi
Nsk
4
2
Haruhiko Kiyota
Nsk
4
2
Toru Segawa
Nsk
4
#5
Kiyoshi Sadakata
Nsk
3
#5
Makoto Nagasawa
Nippon Shokubai Co.
3
#5
Toru Ishii
—
3
#8
Hideki Hirosawa
Kabushiki Kaisha Toshiba
2
#8
Shigeaki Mashimo
Sanyo Electric Co.
2
#8
Takahiro Minamigata
Nsk
2
#8
Masayuki Iwai
Brother Kogyo
2
#8
Hiroshi Inagawa
Renesas Electronics
2
#8
Yousuke Imamura
Nsk
2
#14
Masahiro Ieyasu
Nsk
1
#14
Tomonori Hisanaga
Nsk
1
#14
Tomohiro Hada
Fujitsu Limited
1
#14
Masanori Shingou
Nsk
1
#14
Ryota Murata
Nsk
1
#14
Keitaro Terao
Nsk
1
#14
Tetsuya Kumagai
Panasonic
1
#14
Hitoshi Habuka
Shin-Etsu Handotai Co.
1
#14
Yoshikazu Kosaka
Fujitsu Frontech Limited
1
#14
Yuzuru Hoshi
Nsk
1
#14
Kazuhisa Shimizu
Pentel Kabushiki Kaisha
1
#14
Shin-ichi Mihara
Olympus Optical Co.
1
#14
Fumitoshi Nakamura
Nsk
1
#14
Masato Iwakawa
Nec
1
#14
Shuhei Ikeda
Nsk
1
#14
Yoshiki Ninomiya
Toyota
1
#14
Ikuo Shohji
National University Corporation Gunma University
1
#14
Sachio Nakayama
Nsk
1