NL

Nippon Petroleum Refining Company, Limited

Rank (All Time): #28558 of 106,127Top 30%
58 inventors
21
Patents All Time

Top Inventors at Nippon Petroleum Refining Company, Limited All Time

Showing 1–50 of 58 inventors

RankNamePatents
1 Takashi Oyama 7
2 Tamotsu Tano 6
3 Kazuhisa Nakanishi 5
3 Keiji Higashi 5
#5 Hiromitsu Hashisaka 4
#5 Hideki Ono 4
#5 Ippei Fujinaga 4
#5 Kiwamu Takeshita 4
#5 Masaki Fujii 4
#10 Keizou Ikai 3
#10 Masahiro Yamaguchi 3
#10 Takashi Noro 3
#10 Toshitaka Fujii 3
#10 Akihiko Niizawa 3
#10 Akio Sakamoto 3
#16 Masahumi Imamura 2
#16 Masaru Ushio 2
#16 Susumu Suzuki 2
#16 Akira Kawamura 2
#16 Akinori Odan 2
#21 Haruki Nagano 1
#21 Hajime Okazaki 1
#21 Hidekatsu Honda 1
#21 Hiroshi Kobayashi 1
#21 Junichi Kubo 1
#21 Junichi Takano 1
#21 Katuhiko Ishikawa 1
#21 Katsuhiko Kawakami 1
#21 Kazuro Ohta 1
#21 Keizo Omori 1
#21 Kohei Fujita 1
#21 Kozo Kamiya 1
#21 Kutuhiko Sasaki 1
#21 Masaoki Ouchi 1
#21 Masaru Sato 1
#21 Masayuki Shoji 1
#21 Makoto Takeuchi 1
#21 Mitsuo Hashimoto 1
#21 Minoru Hatayama 1
#21 Minoru Ozawa 1
#21 Nobuo Fukuda 1
#21 Noboru Shimizu 1
#21 Sadao Hayata 1
#21 Shuma Sasaki 1
#21 Tamio Nakano 1
#21 Tatsuo Omata 1
#21 Toshihiko Nasu 1
#21 Toshiyuki Oda 1
#21 Yasuhiro Suzuki 1
#21 Yasuo Watanabe 1