AY

Akifumi Yamamoto

AC Ashimori Industry Co.: 2 patents #45 of 185Top 25%
TC Tokyo Gas Co.: 2 patents #79 of 412Top 20%
DC Daido Metal Company: 1 patents #166 of 280Top 60%
DC Dainippon Ink And Chemicals: 1 patents #446 of 1,002Top 45%
📍 Inuyama, JP: #91 of 342 inventorsTop 30%
Overall (All Time): #1,178,830 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10302124 Half bearing and sliding bearing Seiji Amano, Shinichi Sakurai 2019-05-28
6103788 Curable resin composition for use in water-based coating materials Nobuo Harui, Hidehisa Nakamura 2000-08-15
4948452 Apparatus for lining pipe lines including liquid seal means Akio Morinaga, Isaburo Yagi, Hideo Maruyama 1990-08-14
4883557 Method for lining pipe lines with a pressurized gas Akio Morinaga, Isaburo Yagi, Hideo Maruyama 1989-11-28