YI

Youich Ishikawa

OB Obayashi: 1 patents #58 of 118Top 50%
TI Takeda Chemical Industries: 1 patents #745 of 1,420Top 55%
Overall (All Time): #3,811,547 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5366549 Method for fabricating fiber-reinforced slag gypsum cement-based, lightweight set articles Shokichi Imaizumi, Tsuyoshi Aoyama, Nagao Hori, Katsumi Takenami, Kiyoshi Koibuchi +2 more 1994-11-22