HH

Hitoshi Hatayama

Sumitomo Electric Industries: 1 patents #1,290 of 3,632Top 40%
Overall (2005): #190,322 of 245,428Top 80%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6952309 Optical amplifier and optical amplification method Tetsufumi Tsuzaki, Masayuki Nishimura, Masayuki Shigematsu, Eisuke Sasaoka 2005-10-04