YH

Yahiro Hirayama

Overall (All Time): #1,891,156 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11160711 Corrugated cardboard coffin 2021-11-02
D853074 Coffin 2019-07-02