YK

Yoshinobu Kitayama

Sumitomo Electric Industries: 2 patents #124 of 1,127Top 15%
Overall (1989): #12,454 of 140,708Top 9%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4865415 Composite fiber-optic overhead ground wire — 1989-09-12
4840453 Composite overhead stranded conductor — 1989-06-20