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
KC
Kurosaki Refractories Co.
Rank (All Time):
#16142
of 106,127
Top 20%
74 inventors
40
Patents All Time
Top Inventors at Kurosaki Refractories Co.
All Time
Showing 1–50 of 74 inventors
Rank
Name
Patents
1
Haruyuki Ueno
9
2
Sueki Kubo
8
3
Kazushige Fukuda
7
#4
Tokuaki Hatta
6
#4
Yuji Katsura
6
#6
Masayuki Fujita
5
#6
Takashi Hamamatu
5
#8
Hiroshi Kubota
4
#8
Hiroshi Shikano
4
#10
Nobuhiro Sato
3
#10
Yoshitaka Hiraiwa
3
#12
Haruyoshi Kimura
2
#12
Hiroyuki Ito
2
#12
Hiroshi Nagata
2
#12
Hiroyuki Shiokawa
2
#12
Koichiro Fuzii
2
#12
Kotaro Kuroda
2
#12
Tadahiko Matsuno
2
#12
Tomoyuki Kido
2
#12
Toshihiro Suruga
2
#12
Toshiro Watanabe
2
#12
Yoshihiko Uchida
2
#12
Yukio Inoue
2
#12
Akira Morita
2
#25
Hiroshi Horiguchi
1
#25
Hiroyuki Ikemiya
1
#25
Hiroshi Onda
1
#25
Ichiro Takita
1
#25
Jun Sugawara
1
#25
Katsumi Morikawa
1
#25
Keiichi Mori
1
#25
Kiyohito Okamura
1
#25
Koji Tsuyuguchi
1
#25
Masuo Goto
1
#25
Masatoshi Kawata
1
#25
Masatoshi Nakamizo
1
#25
Masao Nakano
1
#25
Masao Ohnuma
1
#25
Masahiro Sakai
1
#25
Mitsuru Yano
1
#25
Nobuyoshi Hiroki
1
#25
Norio Takahashi
1
#25
Nobuyuki Yokoi
1
#25
Setsunori Hamaguchi
1
#25
Seishi Yajima
1
#25
Shyoichiro Fujimoto
1
#25
Shinichi Fukunaga
1
#25
Shumei Hosokawa
1
#25
Shoji Iizuka
1
#25
Shozo Shima
1
1
2
Next »