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
OC
Oiles Industry Co.
Rank (All Time):
#24624
of 106,127
Top 25%
61 inventors
25
Patents All Time
Top Inventors at Oiles Industry Co.
All Time
Rank
Name
Patents
1
Hiroshi Tada
4
2
Kingo Miyasaka
4
3
Kikuo Sumiyoshi
4
#4
Wataru Abe
4
#5
Eiji Sato
3
#6
Hiroto Kamimura
3
#7
Ikuo Shimoda
3
#8
Toshiyuki Kitta
3
#9
Hisayoshi Yoshida
2
#10
Ichitaro Ogawa
2
#11
Kazuo Hirai
2
#12
Kazutsugu Kashima
2
#13
Kazuo Kobayashi
2
#14
Kenji Miyazaki
2
#15
Masayoshi Izumi
2
#16
Masayuki Kohama
2
#17
Masamitsu Kojima
2
#18
Shuichi Kubota
2
#19
Takashi Tada
2
#20
Tatsuro Wakabayashi
2
#21
Toshiro Nozu
2
#22
Tsuyoshi Hagio
2
#23
Yukinori Takenoshita
2
#24
Eiji Satoh
1
#25
Hideto Arigaya
1
#26
Hideo Cho
1
#27
Hirokazu Maeda
1
#28
Hiraku Miyake
1
#29
Hiroyuki Ogoe
1
#30
Hiroshi Suda
1
#31
Katsutoshi Maeda
1
#32
Keizo Ishikawa
1
#33
Kosei Maeda
1
#34
Kouichi Tsunoda
1
#35
Koichi Tsunoda
1
#36
Masahiko Higashino
1
#37
Masaru Iwakura
1
#38
Mararu Iwakura
1
#39
Masami Kinoshita
1
#40
Noboru Narikawa
1
#41
Satoru Aizawa
1
#42
Satoshi Fujita
1
#43
Saisuke Sugimoto
1
#44
Shigeru Fujimoto
1
#45
Shinji Yamada
1
#46
Takafumi Fujita
1
#47
Takanobu Ide
1
#48
Tadaaki Takase
1
#49
Tadahiro Yano
1
#50
Yasunori Nishi
1
#51
Yataro Takata
1
#52
Youichirou Hayashi
1
#53
Yoichiro Hayashi
1
#54
Yoshihiro Katsui
1
#55
Yoshio Tanno
1
#56
Yutaka Hayamizu
1
#57
Chiaki Tsuruya
1
#58
Kiyoshi Sasahara
1
#59
Hideo Tadokuro
1
#60
Saburo Hanafusa
1
#61
Akira Shigaki
1