SN

Sigemasa Nakamura

SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
📍 Chichibu, JP: #96 of 144 inventorsTop 70%
Overall (All Time): #3,722,215 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5656829 Semiconductor light emitting diode Yasuyuki Sakaguchi, Yasuo Hosokawa, Yutaka Saito 1997-08-12