RK

Ryoji Kinugawa

AC Alps Electric Co.: 2 patents #822 of 2,177Top 40%
📍 Suita, JP: #546 of 1,253 inventorsTop 45%
Overall (All Time): #2,343,374 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4674008 Display element attachment holder Minoru Oyama 1987-06-16
4297540 Interlocking gang push-button switch Kotaroh Tsutsui 1981-10-27