KT

Kazuhisa Tsukada

OC Onoda Cement Co.: 1 patents #57 of 155Top 40%
TC Taiheiyo Cement: 1 patents #83 of 203Top 45%
Overall (All Time): #2,217,289 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6437027 Process for producing dispersant for powdery hydraulic composition Hirotaka Isomura, Hiroshi Hayashi, Koichi Soeda, Kenjiro Makino, Masaki Takimoto 2002-08-20
5286292 Method of treating fly ash and fly ash cement Takeshi Kuroda, Takane Mukaino, Yukinori Saiki 1994-02-15