P

Inventor

YOSHIOKA YASUHIKO

JP7 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIOKA YASUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TAKENAKA KOMUTEN CO

4 patents
US4743301AMay 10, 1988

Concrete composition for underwater use

TAKENAKA KOMUTEN CO12 citations70
US4508572AApr 2, 1985

Cement composition for laying underwater

TAKENAKA KOMUTEN CO12 citations70
US4487633ADec 11, 1984

Water-inseparable concrete composition

TAKENAKA KOMUTEN CO5 citations59
US4956403ASep 11, 1990

Suppression of pressure water absorption of lightweight aggregate by aqueous dispersion therein of anionic polymers

TAKENAKA KOMUTEN CO1 citations46

TAKENAKA CORP

3 patents
US5595813AJan 21, 1997

Architectural material using metal oxide exhibiting photocatalytic activity

TAKENAKA CORP179 citations97
US5643436AJul 1, 1997

Architectural material using metal oxide exhibiting photocatalytic activity

TAKENAKA CORP51 citations95
US5122191AJun 16, 1992

Admixture and cement composition using same

TAKENAKA CORP23 citations89