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 (2022):
#962
of 30,823
Top 4%
107 inventors
40
Patents 2022
Top Inventors at Tokyo Ohka Kogyo Co.
2022
Showing 1–50 of 107 inventors
Rank
Name
Patents
1
Masatoshi Arai
5
2
Dai Shiota
4
2
Takashi Ohsaka
4
#4
Isao Hirano
3
#4
Masahito Yahagi
3
#4
Takuya Ikeda
3
#4
Takehiro Seshimo
3
#4
Yoichi Hori
3
#4
Yoshitaka Komuro
3
#10
Daisuke Kawana
2
#10
Hiroto Yamazaki
2
#10
Junji Nakamura
2
#10
Kazuya Someya
2
#10
Ken Miyagi
2
#10
Koshi Onishi
2
#10
Kunihiro Noda
2
#10
Lei DONG
2
#10
Shoichi Terada
2
#10
Takahiro Dazai
2
#10
Takeshi Iwai
2
#10
Takahiro Kojima
2
#10
Takaya Maehashi
2
#10
Takuya NOGUCHI
2
#10
Takayuki Toshima
2
#10
Teruaki Hayakawa
2
#10
Tomoyuki Ando
2
#10
Toshiyuki Ogata
2
#10
Yasushi Kuroiwa
2
#10
Yasuo Suzuki
2
#10
Yasuhiro Yoshii
2
#31
Akiya Kawaue
1
#31
Akimasa Nakamura
1
#31
Akiyoshi Yamazaki
1
#31
Atsushi Murota
1
#31
Daijiro Mori
1
#31
Emi Maeno
1
#31
Eriko Matsuura
1
#31
Eun Sol Jo
1
#31
Futoshi Shimai
1
#31
Hiroki Chisaka
1
#31
Hideki Hirayama
1
#31
Hiroyuki Kikuchi
1
#31
Hirotsugu Kumazawa
1
#31
Hiroshi Okonogi
1
#31
Hideki Saijo
1
#31
Hiroyuki Tsunoda
1
#31
Hitoshi Yamano
1
#31
Issei Suzuki
1
#31
Jiro Hikida
1
#31
Jun IIOKA
1
1
2
3
Next »