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

RankNamePatents
1 Mitsuaki Echigo 35
2 Hisao Ohnishi 33
3 Masamichi Ippommatsu 18
#4 Takeshi Tabata 17
#5 Osamu Okada 16
#6 Osamu Yamazaki 16
#7 Kazuyuki Minami 13
#8 Kosuke Akagi 13
#9 Ryoichi Nishida 12
#10 Yuji Tsuda 12
#11 Kenji Seki 11
#12 Hirofumi Ohtsuka 10
#13 Minoru Suzuki 10
#14 Hitoshi Nishino 9
#15 Hirokazu Sasaki 9
#16 Kyohei Manabe 9
#17 Masahiro Suemitsu 9
#18 Shinichi Kawasaki 9
#19 Hiroaki Murase 8
#20 Masataka Masuda 8
#21 Susumu Takami 8
#22 Akira Hirano 8
#23 Akio Nakashiba 8
#24 Masashi Nishigaki 7
#25 Norihisa Kobayashi 7
#26 Tadashi Saito 7
#27 Tsuyoshi Tsurutani 7
#28 Akinori Yasutake 7
#29 Kota Yokoyama 6
#30 Marc J. Madou 6
#31 Naoki Inoue 6
#32 Shoji Otoshi 6
#33 Takenori Hirano 6
#34 Takahiro Kasuh 6
#35 Takaaki Otagawa 6
#36 Toshihiko Setoguchi 6
#37 Hidaka Asonuma 5
#38 Hiroyuki Fujimoto 5
#39 Hirofumi Kyutoku 5
#40 Hiroki Sakamoto 5
#41 Isao Mochida 5
#42 Koichiro Ikeda 5
#43 Koji Moriya 5
#44 Masamichi Ipponmatsu 5
#45 Masahiro Yamada 5
#46 Mitsuaki Yamada 5
#47 Namio Kinumoto 5
#48 Norihisa Shinke 5
#49 Nobuhiko Yamashita 5
#50 Ronald E. Pelrine 5
#51 Seiichi Ito 5
#52 Shonosuke Koga 5
#53 Takahiro Sako 5
#54 Takahisa Utaki 5
#55 Tsubasa Shimizu 5
#56 Tsutomu Wakabayashi 5
#57 Yoshiteru Nakagawa 5
#58 Yuji Nakamura 5
#59 Atsushi Nonaka 4
#60 Eric A. Edwards 4
#61 Giuseppe Bellussi 4
#62 Haruyuki Nakaoka 4
#63 Hiroyuki Nishimura 4
#64 Hisao Onishi 4
#65 Hiroki Sadamori 4
#66 Itsuro Tamura 4
#67 Katsuhide Okimi 4
#68 Lawrence S. Gullman 4
#69 Luigina Maria Flora Sabatino 4
#70 Makoto Okabayashi 4
#71 Mikio Nakaoka 4
#72 Mitsuo Yamamoto 4
#73 Noritoshi Shinke 4
#74 Shuzo Kudo 4
#75 Takeshi Tsunemi 4
#76 Toshiyuki Maeda 4
#77 Toshio Nishida 4
#78 Tominori Sato 4
#79 Toshio Shibabuchi 4
#80 Tsuyoshi Fujiki 4
#81 Yasunori Yokomichi 4
#82 Yoshiaki Harada 4
#83 Chiwa Kataoka 3
#84 Csaba Biegl 3
#85 Eiji Tanigawa 3
#86 Etsuo Shito 3
#87 Fumio Nagatani 3
#88 Gabor Karsai 3
#89 Haruo Kikuta 3
#90 Hajime Kinoshita 3
#91 Hiroki Fujita 3
#92 Hirofumi Nakamura 3
#93 Hidemasa Nonaka 3
#94 Hiroyuki Tajiri 3
#95 Janos Sztipanovits 3
#96 Katsuhiko Hirao 3
#97 Katsuhisa Honda 3
#98 Kazunori Mito 3
#99 Kazunobu Miura 3
#100 Kenichi Abe 3