JN

Japan Oil, Gas And Metals National

Rank (All Time): #7540 of 106,127Top 8%
106 inventors
94
Patents All Time

Top Inventors at Japan Oil, Gas And Metals National All Time

Showing 1–50 of 106 inventors

RankNamePatents
1 Kazuhiko Tasaka 19
1 Yuichi Tanaka 19
3 Yasuhiro Onishi 18
#4 Eiichi Yamada 13
#5 Marie Iwama 11
#6 Kenichi Kawazuishi 10
#6 Yuzuru Kato 10
#8 Atsushi Murata 7
#8 Fuyuki Yagi 7
#10 Takuya Niitsuma 5
#10 Yasumasa Morita 5
#12 Shuhei Wakamatsu 4
#12 Tomoyuki Mikuriya 4
#14 Hidekatsu Honda 3
#14 Kazuhito Sato 3
#14 Kenichiro Fujimoto 3
#14 Kiyoshi Inaba 3
#14 Mamoru Takanashi 3
#14 Osamu Iwamoto 3
#14 Shinya Arai 3
#14 Toshio Shimizu 3
#14 Yosuke Kunishi 3
#23 Kazuaki Hayasaka 2
#23 Kentarou Morita 2
#23 Keiichi Tanabe 2
#23 Kimihito Suzuki 2
#23 Koichi Okuzumi 2
#23 Koji Yamamoto 2
#23 Masaru Ihara 2
#23 Masaki Shingu 2
#23 Osamu Wakamura 2
#23 Shinya Hodoshima 2
#23 Shigenori Nakashizu 2
#23 Shouli Sun 2
#23 Takashi Kunimi 2
#23 Toshiro Hata 2
#23 Toru Kagoura 2
#23 Toshifumi Matsuoka 2
#23 Toru Sekine 2
#23 Tsunehiro Hato 2
#23 Yasuhiko Nagasaki 2
#23 Yoshiyuki Nagayasu 2
#23 Yoshifumi Suehiro 2
#23 Yutaka Miyata 2
#23 Akira Saito 2
#46 Ayato Kato 1
#46 Eiichi Hosoya 1
#46 Haruki Nagano 1
#46 Hisatoshi Furuya 1
#46 Hiroaki Hara 1