YI

Yu Ishikawa

KC Koken Co.: 1 patents #1 of 9Top 15%
📍 Tokyo, CA: #192 of 296 inventorsTop 65%
Overall (2018): #178,769 of 503,207Top 40%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9901758 Respiratory protection device Ryohei Furuichi 2018-02-27