NS

Naohisa Shirafuji

SC Sei Optifrontier Co.: 1 patents #4 of 30Top 15%
Overall (2019): #330,936 of 560,194Top 60%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10520675 Optical fiber cutter Hiroshi Nakamura, Takeshi Noake 2019-12-31