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
Shinagawa, JP
1989
45 patents · 30 inventors
Ranked
#923
of 20,767 cities
Top 5%
Showing 1–30 of 30 inventors
Rank
Inventor
Primary Company
Patents
1
Kunio Miyazaki
Hitachi
5
2
Kazuhisa Ishiguro
Sanyo Electric Co.
3
2
Chiyuki Shimizu
Toshiba Silicone Co.
3
2
Masashi Tanabe
Pioneer Electronic
3
#5
Hikaru Mizutani
Hitachi Maxell
2
#5
Mitsuru Ishikawa
Honda Motor Co.
2
#5
Hideki Ogawa
Canon
2
#5
Soichi Nishiyama
Fujitsu Limited
2
#5
Akio Okamoto
Ube Machinery Corporation
2
#10
Hitoshi Yokoyama
Fujitsu Limited
1
#10
Shoei Kobayashi
Sony
1
#10
Katsuya Okabe
Sanyo Electric Co.
1
#10
Shizuo Sagawa
—
1
#10
Kiyotada Yasuhara
Nippon Paint Holdings Co.
1
#10
Eiichi Osawa
Sony
1
#10
Yasuzo Funaki
Mitsubishi Kinzoku
1
#10
Katsumasa Minakawa
Sanyo Electric Co.
1
#10
Fumio Takenaka
Daicel
1
#10
Teiichi Kanazawa
—
1
#10
Takayuki Kabasawa
The Yokohama Rubber Co.
1
#10
Goroei Wakatsuki
Honda Motor Co.
1
#10
Toshihiro Konno
Subaru
1
#10
Naoki HIGASHI
—
1
#10
Masahiro Noguchi
Daikin Industries
1
#10
Yoshinobu Nishiyama
Sanyo Electric Co.
1
#10
Yuichi Fujimoto
Asia Air Survey Co.
1
#10
Kunie Sekigami
Sanyo Electric Co.
1
#10
Isao Ochiai
Sanyo Electric Co.
1
#10
Masato Hagiwara
Rakuten Group
1
#10
Shigeru Ishii
Nissan Motor Co.
1