YT

Yasuaki Tamura

KC Kokusai Denshin Denwa Co.: 1 patents #15 of 65Top 25%
OC Oki Electric Industry Co.: 1 patents #57 of 237Top 25%
Overall (1989): #41,710 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4805977 Optical coupler for optical direct amplifier Kiyofumi Mochizuki 1989-02-21