KT

Keiko Tsunashima

YC Yamamoto Kogaku Co.: 2 patents #26 of 58Top 45%
Overall (All Time): #2,003,199 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9301578 Belt length adjuster Makoto Shinya 2016-04-05
D620967 Swimming goggles — 2010-08-03