HH

Hidenobu Hamada

Sumitomo Electric Industries: 4 patents #212 of 4,178Top 6%
Overall (2004): #15,365 of 270,089Top 6%
4
Patents 2004

Issued Patents 2004

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6813399 Optical device — 2004-11-02
6798960 Optical device — 2004-09-28
6735354 Optical device — 2004-05-11
6707597 Optical device and method for producing photonic crystal — 2004-03-16