YM

Yukimasa Maeda

HC Hitachi Industrial Equipment Systems Co.: 1 patents #318 of 550Top 60%
KC Kyoei Steel Co.: 1 patents #2 of 7Top 30%
Overall (All Time): #1,896,345 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10536042 Axial air gap type electric motor Toru Sakai, Daisaku Takahashi, Jun Sakurai, Shuuichi TAKAHASHI, Hirooki TOKOI 2020-01-14
4280836 Method of preheating iron scraps in steel-making by the electric arc furnace 1981-07-28