
1) Japanese invention 2) Korean clothing
Found on
https://www.crosswordclues.com/clue/vinylon

Vinylon, also known as Vinalon, is a synthetic fiber produced from polyvinyl alcohol, using anthracite and limestone as raw materials. Vinalon was first developed in 1939 by Ichiro Sakurada, Ri Sung Gi, and H. Kawakami. Production of this fiber was delayed for World War II. The fibre was largely ignored in Korea until Ri defected to North Korea in...
Found on
http://en.wikipedia.org/wiki/Vinylon
No exact match found.