KH

Koichi Hayama

SC Sanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%
📍 Ora, JP: #45 of 108 inventorsTop 45%
Overall (All Time): #2,182,197 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6940985 Shock sound prevention circuit — 2005-09-06
6922474 Shock sound prevention circuit — 2005-07-26