TS

Takefumi Shindo

OI Ozawa Concrete Industry: 1 patents #4 of 9Top 45%
TA Taisei: 1 patents #56 of 224Top 25%
Overall (All Time): #3,959,928 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4774045 Concrete structural member and method for manufacture thereof Shizuko Kushida, Takashi Tsubahara, Takafumi Naito, Seiji Kaneko, Yasunori Matsuoka 1988-09-27