KS

Kiyotaka Shimazu

OC Osaka Gas Co.: 2 patents #129 of 689Top 20%
Overall (All Time): #2,356,631 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4431608 Gas purification system Katsuo Katagiri 1984-02-14
4375450 Gas purification system Katsuo Katagiri 1983-03-01