YH

Yoshihiro Hishiki

DK Denki Kagaku Kogyo: 1 patents #291 of 655Top 45%
Overall (All Time): #3,280,360 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7670425 Ultra high strength fiber-reinforced cement composition, ultra high strength fiber-reinforced mortar or concrete and ultra high strength cement additives Yoshiharu Watanabe, Masanobu Ashida, Kazuhiro Aizawa, Kazunori Takada, Toshio Ohno +3 more 2010-03-02