JI

Jun Isogai

DK Denki Kagaku Kogyo: 1 patents #291 of 655Top 45%
📍 Sakaide, JP: #36 of 55 inventorsTop 70%
Overall (All Time): #4,042,577 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4477284 Demolition agent for demolishing brittle materials Seiichi NAKAYA, Akira Saitou, Akio Takahashi, Isao Yagi 1984-10-16