TO

Tetsuya Otosaka

SC Shin-Etsu Chemical Co.: 2 patents #54 of 273Top 20%
Overall (2019): #114,020 of 560,194Top 25%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10501362 Fabrication method and fabrication apparatus for porous glass base material for optical fiber — 2019-12-10
10472270 Porous glass base material sintering method and sintering apparatus — 2019-11-12