HK

Hayashi Kayakawa

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Shijonawate, JP: #72 of 109 inventorsTop 70%
Overall (All Time): #3,931,871 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4844994 Chargeable electrochemical device Nobuharu Koshiba, Keigo Momose 1989-07-04