YT

Yasuo Takeishi

OC Osaka Gas Co.: 3 patents #83 of 689Top 15%
Overall (All Time): #1,658,347 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5224855 Gas burner Hajime Toyonaga, Toshio Nishida, Masao Shiomi 1993-07-06
5073106 Gas burner Hajime Toyonaga, Toshio Nishida, Masao Shiomi 1991-12-17
4480988 Surface combustion type burner with air supply entirely as primary air Makoto Okabayashi, Yoichi Higuchi, Kazuto Taguchi 1984-11-06