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
Numazu, JP
All Time
6,804 patents · 856 inventors
Ranked
#791
of 111,555 cities
Top 1%
Showing 51–100 of 856 inventors
Rank
Inventor
Primary Company
Patents
#51
Takaaki Ikegami
Ricoh Company
28
#51
Tsutomu Itoh
Onoda Cement Co.
28
#51
Masanori Yagi
Molex
28
#51
Keiji Yoeda
Toyota
28
#51
Kazuyoshi Kishibata
Kokusan Denki Co.
28
#51
Shigeyuki Fujii
Hsp Technologies
28
#57
Yoshihito Kanno
Toyota
27
#57
Shigeru Hoashi
Canon
27
#57
Takashi Yahagi
Canon
27
#57
Tadafumi Tatewaki
Ricoh Company
27
#57
Hiroshi Okuyama
Tdk
27
#62
Ryo Matsumura
Fujitsu Limited
26
#62
Yasuo Koike
Fujitsu Limited
26
#64
Kunichika Morohoshi
Ricoh Company
25
#64
Hiroyuki Hokuto
Toyota
25
#64
Tomio Kondou
Ricoh Company
25
#64
Hisashi Yamauchi
Canon
25
#68
Kenji Kanari
Canon
24
#68
Naohide Uchida
Toyota
24
#68
Motoharu Tanaka
Ricoh Company
24
#68
Toshiyuki Kawanishi
Ricoh Company
24
#72
Kazuo Terauchi
Canon
23
#72
Kenichirou Shimogawa
Fujitsu Limited
23
#72
Naohisa Nagata
Canon
23
#72
Kazuhito Sato
Cosmo Oil Co.
23
#76
Hiroyuki Haga
Toyota
22
#76
Nobuyasu Makino
Ricoh Company
22
#76
Akira Eiraku
Toyota
22
#76
Kazuhide Kudo
Canon
22
#76
Atsushi Kutami
Ricoh Company
22
#76
Yoshinari Sasaki
Sony
22
#82
Yohei Kusano
Canon
21
#82
Hisao Murayama
Ricoh Company
21
#82
Yasuo Ueda
Ricoh Company
21
#82
Kumi Hasegawa
Ricoh Company
21
#86
Kei Tagami
Canon
20
#86
Kazuo Nagashima
Toshiba Kikai
20
#86
Yasuo Yoda
Canon
20
#86
Yuichi Kumai
Toyota
20
#86
Toshiyuki Hiraoka
Toshiba Lighting & Technology
20
#86
Yoshimi Suzuki
Canon
20
#92
Hirosato Amano
Ricoh Company
19
#92
Yuji Natori
Ricoh Company
19
#92
Takumi Kawabe
Canbas Co.
19
#95
Shin Tanaka
Toyota
18
#95
Toshio Tatano
Kyowa Medex Co.
18
#95
Yasuhiro Oi
Toyota
18
#95
Hisashi Sakai
Ricoh Company
18
#95
Atsuyuki Watada
Ricoh Company
18
#100
Koichiro Fukuda
Toyota
17
« Prev
1
2
3
4
Next »