KK

Keitaro Koguchi

SC Sei Optifrontier Co.: 1 patents #6 of 20Top 30%
Overall (2021): #376,805 of 548,734Top 70%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10928591 Neck-hung fusion splicer operation tray having detachable flanking trays Yoshiyuki NISHIZAWA 2021-02-23