AY

Akifumi Yamamoto

AC Ashimori Industry Co.: 1 patents #1 of 7Top 15%
TC Tokyo Gas Co.: 1 patents #2 of 20Top 10%
📍 Inuyama, JP: #6 of 16 inventorsTop 40%
Overall (1989): #134,257 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4883557 Method for lining pipe lines with a pressurized gas Akio Morinaga, Isaburo Yagi, Hideo Maruyama 1989-11-28