OC

Osaka Gas Co.

Rank (All Time): #2294 of 106,127Top 3%
689 inventors
356
Patents All Time

Top Inventors at Osaka Gas Co. All Time

Showing 1–50 of 689 inventors

RankNamePatents
1 Mitsuaki Echigo 35
2 Hisao Ohnishi 33
3 Masamichi Ippommatsu 18
#4 Takeshi Tabata 17
#5 Osamu Okada 16
#5 Osamu Yamazaki 16
#7 Kazuyuki Minami 13
#7 Kosuke Akagi 13
#9 Ryoichi Nishida 12
#9 Yuji Tsuda 12
#11 Kenji Seki 11
#12 Hirofumi Ohtsuka 10
#12 Minoru Suzuki 10
#14 Hitoshi Nishino 9
#14 Hirokazu Sasaki 9
#14 Kyohei Manabe 9
#14 Masahiro Suemitsu 9
#14 Shinichi Kawasaki 9
#19 Hiroaki Murase 8
#19 Masataka Masuda 8
#19 Susumu Takami 8
#19 Akira Hirano 8
#19 Akio Nakashiba 8
#24 Masashi Nishigaki 7
#24 Norihisa Kobayashi 7
#24 Tadashi Saito 7
#24 Tsuyoshi Tsurutani 7
#24 Akinori Yasutake 7
#29 Kota Yokoyama 6
#29 Marc J. Madou 6
#29 Naoki Inoue 6
#29 Shoji Otoshi 6
#29 Takenori Hirano 6
#29 Takahiro Kasuh 6
#29 Takaaki Otagawa 6
#29 Toshihiko Setoguchi 6
#37 Hidaka Asonuma 5
#37 Hiroyuki Fujimoto 5
#37 Hirofumi Kyutoku 5
#37 Hiroki Sakamoto 5
#37 Isao Mochida 5
#37 Koichiro Ikeda 5
#37 Koji Moriya 5
#37 Masamichi Ipponmatsu 5
#37 Masahiro Yamada 5
#37 Mitsuaki Yamada 5
#37 Namio Kinumoto 5
#37 Norihisa Shinke 5
#37 Nobuhiko Yamashita 5
#37 Ronald E. Pelrine 5