KN

Katsuhiro Nagira

OK Osaka Fuji Kogyo Kabushiki Kaisya: 1 patents #4 of 26Top 20%
Overall (All Time): #3,954,101 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4752463 Method of producing hydrogen and material used therefor Toru Shimizu 1988-06-21