YT

Yoshiki Tanaka

RI Railway Technical Research Institute: 1 patents #1 of 6Top 20%
SC Sumitomo Cement Co.: 1 patents #1 of 6Top 20%
Overall (1989): #40,154 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4844340 Method and apparatus for spraying an inorganic hydraulic material composition containing reinforcing short fibers Shohiko Miyata, Seiichi Tottori, Sakae USHIJIMA, Hajime Suzuki, Toshikazu Minematsu 1989-07-04