TK

Takaaki Katayama

OC Onoda Cement Co.: 1 patents #57 of 155Top 40%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #3,924,054 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4816194 Method of destroying a brittle body by hydration expansion Shiro Ishii, Koretoshi Hitotsuya, Hachiro Kubota 1989-03-28