KH

Kenji Hiratsuka

Sumitomo Electric Industries: 3 patents #28 of 397Top 8%
Overall (2011): #43,785 of 364,097Top 15%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8039282 Semiconductor optical device and method of fabricating the same Manabu Yoshimura, Nobuyuki Ikoma 2011-10-18
7947520 Semiconductor laser and method of making the same Hideki Yagi, Toshio Nomaguchi 2011-05-24
7897422 Semiconductor light-emitting device and a method to produce the same 2011-03-01