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
DC
Dainichiseika Color & Chemicals Mfg. Co.
Rank (All Time):
#2922
of 106,127
Top 3%
376 inventors
268
Patents All Time
Top Inventors at Dainichiseika Color & Chemicals Mfg. Co.
All Time
Showing 1–50 of 376 inventors
Rank
Name
Patents
1
Michiei Nakamura
41
2
Kazuyuki Hanada
40
3
Hiroyuki Shimanaka
32
#4
Shinya Tsuchida
21
#5
Norio Tanaka
20
#5
Takanori Sannan
20
#5
Yoshikazu Murakami
20
#8
Kazuya Kimura
18
#8
Kenichi Takahashi
18
#10
Ichiro Ueno
17
#10
Nobuyuki Kobayashi
17
#12
Katsumi Kuriyama
16
#12
Shojiro Horiguchi
16
#14
Minoru Takizawa
15
#14
Takashi Hiraga
15
#16
Hiromitsu Yanagimoto
14
#16
Manabu Uruno
14
#16
Naomi Oguma
14
#19
Hisao Okamoto
13
#20
Sachio Yoshikawa
12
#20
Shigeru Sakamoto
12
#22
Hiroaki Saikatsu
11
#22
Iwao Misaizu
11
#22
Noritaka Yamamoto
11
#25
Toshiko Mizokuro
10
#25
Yoshio Abe
10
#25
Yoshihiko Iijima
10
#28
Nobutaka Tanigaki
9
#28
Akira Hoshino
9
#28
Akira Nishio
9
#31
Hitoshi Takeuchi
8
#31
Katsutoshi Torii
8
#31
Seiji Doi
8
#31
Yoshinobu Tsujii
8
#31
Yoshiyuki Zama
8
#31
Atsushi Goto
8
#37
Atsushi Nogami
7
#37
Mikio Saji
7
#37
Motoaki Umezu
7
#37
Naoyuki Sakai
7
#37
Takashi Abe
7
#37
Yoshifumi Sugito
7
#43
Kazuo Kanou
6
#43
Ken Okura
6
#43
Kozaburo Hayashi
6
#43
Masaru Hasegawa
6
#43
Masayuki Takahashi
6
#43
Naoki Hirata
6
#43
Naoto Kamata
6
#43
Osamu Kawakami
6
1
2
3
Next »