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 (1997):
#446
of 13,859
Top 4%
68 inventors
29
Patents 1997
Top Inventors at Nippon Oil
1997
Showing 1–50 of 68 inventors
Rank
Name
Patents
1
Kazuo Matsuura
7
2
Yoshio Tajima
6
3
Naoki Kataoka
5
3
Takashi Seki
5
3
Yosuke Numao
5
#6
Makoto Sasaki
3
#7
Akira Sano
2
#7
Akira Tsubokura
2
#7
Hisatake Sato
2
#7
Hiroshi Yazawa
2
#7
Jinichi Igarashi
2
#7
Kazuhiko Kurihara
2
#7
Keizo Ikai
2
#7
Masaki Minami
2
#7
Mineo Kagaya
2
#7
Mitsuo Matsuno
2
#7
Seizo Kobayashi
2
#7
Sumio Yoshida
2
#7
Takashi Kiyota
2
#7
Toshio Yoshida
2
#7
Yoshimu Iwanami
2
#7
Yoko Matsuyama
2
#7
Yoshio Sohda
2
#24
Takashi Komazawa
1
#24
Akiyoshi Kojima
1
#24
Eiji Yoda
1
#24
Hiroyoshi Omika
1
#24
Hiroyuki Shimizu
1
#24
Hisashi Yoneda
1
#24
Hitoshi Yuasa
1
#24
Iwane Shiozaki
1
#24
Katsuhiko Haji
1
#24
Kazuo Miyazawa
1
#24
Kazutosi Nomiyama
1
#24
Kiyoshi Inoue
1
#24
Kozo Kamiya
1
#24
Kunimichi Kubo
1
#24
Kunihiro Suzuki
1
#24
Masayuki Ando
1
#24
Masakuni Hirata
1
#24
Masanobu Suga
1
#24
Masaru Ushio
1
#24
Mitsuaki Ishimaru
1
#24
Mikihiro Takaki
1
#24
Motomitsu Kitaoka
1
#24
Nishimura Suzushi
1
#24
Noboru Ishida
1
#24
Nobuyuki Kuroda
1
#24
Norikatsu Ono
1
#24
Osamu Otsu
1
1
2
Next »