YI

Yoshinori Ioka

HO Hochiki: 1 patents #97 of 161Top 65%
RY Ryobi: 1 patents #160 of 309Top 55%
📍 Yotsukaido, JP: #50 of 81 inventorsTop 65%
Overall (All Time): #3,998,176 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4598494 Apparatus for closing fireproof doors Toshihide Tsuji, Hisatugu Anzai, Noboru Kasahara, Fujio Katagiri 1986-07-08