TK

Tsutomu Kamada

SC Sei Optifrontier Co.: 2 patents #1 of 20Top 5%
Overall (2020): #111,424 of 565,922Top 20%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10641971 Optical connector Kenichiro Ohtsuka, Motoyoshi KIMURA 2020-05-05
10539745 Optical connector Kenichiro Ohtsuka, Yuji Suzuki, Motoyoshi KIMURA, Yoshinobu Oki 2020-01-21