YM

Yasuyuki Miyagawa

OB Obayashi: 1 patents #58 of 118Top 50%
Overall (All Time): #3,616,975 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6070640 Walk-through type waterproof screen apparatus Kou Muraoka, Masahiko Honma, Akira Miyake 2000-06-06