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
TC
Tokyo Ohka Kogyo Co.
Rank (2004):
#556
of 18,403
Top 4%
65 inventors
32
Patents 2004
Top Inventors at Tokyo Ohka Kogyo Co.
2004
Showing 1–50 of 65 inventors
Rank
Name
Patents
1
Kazufumi Sato
7
2
Kazuyuki Nitta
4
2
Katsumi Oomori
4
2
Kazumasa Wakiya
4
#5
Akira Katano
3
#5
Atsushi Matsushita
3
#5
Etsuko Iguchi
3
#5
Hideo Hada
3
#5
Satoshi Fujimura
3
#5
Satoshi Maemori
3
#5
Takeshi Iwai
3
#5
Takeshi Tanaka
3
#13
Hiroyuki Iida
2
#13
Hiroshi Komano
2
#13
Hiroto Yukawa
2
#13
Jun Koshiyama
2
#13
Kazuto Obuchi
2
#13
Kazuo Tani
2
#13
Kousuke Doi
2
#13
Mitsuo Hagihara
2
#13
Ryusuke Uchida
2
#13
Shinichi Kono
2
#13
Toshiyuki Ogata
2
#13
Toshiaki Tachi
2
#13
Tomotaka Yamada
2
#13
Yoshio Hagiwara
2
#13
Yohei Kinoshita
2
#13
Yusuke Nakagawa
2
#29
Akira Hashimoto
1
#29
Akira Uehara
1
#29
Atsushi Kawakami
1
#29
Daisuke Kawana
1
#29
Etsuko Nakamura
1
#29
Fumitake Kaneko
1
#29
Futoshi Shimai
1
#29
Hideya Kobari
1
#29
Hiroyuki Obiya
1
#29
Hiroyoshi Sago
1
#29
Hitoshi Setsuda
1
#29
Hiroshi Takanashi
1
#29
Isao Sato
1
#29
Kaoru Mizutani
1
#29
Kazuto Ohbuchi
1
#29
Kazuhito Sasaki
1
#29
Kenji Maruyama
1
#29
Ken Miyagi
1
#29
Kiminori Oshio
1
#29
Koutaro Endo
1
#29
Kotaro Endo
1
#29
Masakazu Kobayashi
1
1
2
Next »