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
›
Japan Crown Cork Co.
JC
Japan Crown Cork Co.
— 56 Patents
Rank
(All Time):
#11,910
of
106,120
Top 15%
72
inventors
56
Patents All Time
Top Inventors at Japan Crown Cork Co.
All Time
Showing
1–50
of
72
inventors
Rank
Name
Patents
1
Hidehiko Ohmi
10
1
Kashiwa Murayama
10
1
Tateo Kubo
10
#4
Mitsuo Kumata
9
#5
Junichi Itsubo
8
#6
Fumio Mori
6
#6
Yuji Kano
6
#8
Osamu Ishii
5
#9
Hisashi Nakajima
4
#9
Katsumi Hashimoto
4
#9
Seiji Fukushi
4
#9
Takashi Yazaki
4
#9
Tomoya Igarashi
4
#14
Katsuhiro Muramoto
3
#14
Kouichi Doi
3
#14
Shinya Matsumoto
3
#14
Takahiro Kurosawa
3
#18
Fumio Kinoshita
2
#18
Gunji Matsuda
2
#18
Hiroomi Matsutani
2
#18
Hiroyuki Oda
2
#18
Isao Ichinose
2
#18
Katsuhito Ichimura
2
#18
Kazuo Tanabe
2
#18
Kiyohisa Kaito
2
#18
Kouichi Tsuchiya
2
#18
Masakazu Tatsuta
2
#18
Naoki Aoyama
2
#18
Noboru Suzuki
2
#18
Takayuki Kikuchi
2
#18
Takashi Kimura
2
#18
Tsurusaburo Okamura
2
#18
Yoshihiro Kaitsuka
2
#18
Yuji Tomitaka
2
#18
Yuhei Yonekawa
2
#36
Sumio Takeishi
1
#36
Seikuro Yasada
1
#36
Yoshiaki Mochino
1
#36
Daisuke Tsuchimoto
1
#36
Frederich R. Reich
1
#36
Hiroaki Kikuchi
1
#36
Hideki Sato
1
#36
Hiroyuki Tsuchiya
1
#36
Hideki Yajima
1
#36
Junichi Miyo
1
#36
Kazunori Nousou
1
#36
Katsuake Tanaka
1
#36
Kiyoshi Kawaguchi
1
#36
Kimio Takeuchi
1
#36
Kozo Nakamura
1
1
2
Next »
Related Companies
Skymedi
56
Bochumer Eisenhütte Heintzmann
56
Dallaire Industries
56
Beme International
56
Cequent Towing Products
56
Sacmi-Cooperativa Meccanici Imola-Soc. Coop A.R.L.
56
Dca Design International
56
Huangslite Industrial Co.
56
Ultra Biotech Limited
56