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
NO
Nippon Oil
Rank (1989):
#471
of 11,124
Top 5%
58 inventors
22
Patents 1989
Top Inventors at Nippon Oil
1989
Showing 1–50 of 58 inventors
Rank
Name
Patents
1
Kazuo Matsuura
4
2
Yasuyuki Oishi
2
2
Yukio Kobayashi
2
2
Masao Nambu
2
2
Makoto Sasaki
2
2
Seizo Kobayashi
2
2
Seiichi Uemura
2
2
Shozo Tsuchiya
2
2
Shunichi Yamamoto
2
2
Shigehiko Yoshioka
2
2
Akira Inoue
2
2
Akira Sano
2
2
Hisatake Sato
2
2
Hideto Yamada
2
#15
Yasuji Ido
1
#15
Yoshio Adachi
1
#15
Yoshiki Kohno
1
#15
Yoshihiko Okuno
1
#15
Yoshiyuki Shimo
1
#15
Yoshio Sohda
1
#15
Yoshio Tajima
1
#15
Toshiyuki Ohban
1
#15
Katumi Usui
1
#15
Kenji Suzuki
1
#15
Kingo Ikeda
1
#15
Kunimichi Kubo
1
#15
Masaru Ushio
1
#15
Mitsuo Matsuno
1
#15
Naoyuki Maeda
1
#15
Nobuo Aoki
1
#15
Nobuyuki Kuroda
1
#15
Noboru Yamaoka
1
#15
Nobuo Yokoyama
1
#15
Osamu Kuwabara
1
#15
Shinichiro Suzuki
1
#15
Shigeki Yokoyama
1
#15
Takafumi Ishii
1
#15
Takeshi Kamiya
1
#15
Tatsuo Kinoshita
1
#15
Takashi Mizoe
1
#15
Takao Nagasawa
1
#15
Teruo Kajikawa
1
#15
Tetsuo Satoh
1
#15
Toru Morita
1
#15
Toshio Yoshino
1
#15
Tsuneo Yoshida
1
#15
Mineo Watase
1
#15
Akira Honma
1
#15
Akira Nii
1
#15
Akira Shinzawa
1
1
2
Next »