YN

Yo Nakagawa

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
📍 Suita, JP: #546 of 1,253 inventorsTop 45%
Overall (All Time): #2,173,981 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
RE39341 Apparatus for lighting fluorescent lamp Shinichiro Kataoka, Masanori Yamanaka, Hiroki Matsunaga 2006-10-17
6285138 Apparatus for lighting fluorescent lamp Shinichiro Kataoka, Masanori Yamanaka, Hiroki Matsunaga 2001-09-04