SI

Shinobu Ishihara

OC Osaka Gas Co.: 1 patents #252 of 689Top 40%
Overall (All Time): #3,903,392 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4927356 Gas burner Tetsuji Otsuka, Kenichi Shinozaki, Kenji Toyoyama 1990-05-22