AS

Akira Sugimura

NT NTT: 1 patents #30 of 180Top 20%
Overall (1989): #134,373 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4847856 Phase-shift distributed-feedback semiconductor laser Tatsuya Kimura 1989-07-11