YI

Yasushi Ikuta

HI Hitachi: 1 patents #814 of 2,935Top 30%
📍 Okutama, JP: #3 of 10 inventorsTop 30%
Overall (1989): #42,176 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4842359 Optical star coupler and method of manufacturing the same Katsuyuki Imoto, Minoru Maeda, Masayoshi Kameyama, Hiroshi Araki, Shigeru Oho 1989-06-27