RK

Ryuichi Kojo

TO Toto: 1 patents #620 of 1,113Top 60%
Overall (All Time): #3,478,586 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6733875 Porous member and method of manufacturing the same Yukio Takano, Takayuki HIROTA 2004-05-11