YS

Yuji SHIBUTANI

SC Seikoh Giken Co.: 2 patents #1 of 12Top 9%
Overall (2023): #90,581 of 537,848Top 20%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11789213 End face polishing device for optical fiber ferrule Atsushi Yamada 2023-10-17
11571784 Optical fiber ferrule polishing holder 2023-02-07