HM

Hitoshi Moriyama

DK Denki Kagaku Kogyo: 1 patents #291 of 655Top 45%
📍 Itoigawa, JP: #27 of 54 inventorsTop 50%
Overall (All Time): #3,936,419 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4861378 Cement additive containing superplasticizer and bentonite Yoshiharu Watanabe, Hisayuki Shimizu, Mineo Ito 1989-08-29