TK

Tsutomu Kamada

SC Sei Optifrontier Co.: 2 patents #7 of 21Top 35%
Overall (2018): #93,701 of 503,207Top 20%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10114179 Optical connector, pin keeper, pin insertion jig, expansion member, and pin insertion tool Kenichiro Ohtsuka, Motoyoshi KIMURA, Tatsuhiko Shitomi 2018-10-30
9958620 Optical fiber with connector Kenichiro Ohtsuka, Kotaro Ueda, Junji Fukui, Masashi OKA 2018-05-01