HY

Hisaya Yoshioka

OH Ohbayashi-Gumi: 1 patents #5 of 34Top 15%
📍 Kawaguchi, JP: #265 of 473 inventorsTop 60%
Overall (All Time): #4,114,440 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4209268 Tail packing for a slurry pressurized shield Toshio Fujiwara, Junji Sakimoto 1980-06-24