YT

Yuko Tomioka

SC Stanley Electric Co.: 1 patents #550 of 1,072Top 55%
TO Topcon: 1 patents #425 of 684Top 65%
Overall (All Time): #2,150,849 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7439550 Semiconductor light emitting device Seiichiro Kobayashi, Kazuki Takeshima 2008-10-21
5057102 Contrast adjustor for aiming laser Hiroshi Koizumi, Masatsugu Kijima 1991-10-15