Inventor

NAITO TAKAFUMI

JP2 patents

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

TAKEDA CHEMICAL INDUSTRIES LTD

1 patent

US5174821ADec 29, 1992

Hydraulic composition, formed products therefrom and segregation reduction agent for hydraulic substances

TAKEDA CHEMICAL INDUSTRIES LTD37 citations86

OZAWA CONCRETE KOGYO KK

1 patent

US4774045ASep 27, 1988

Concrete structural member and method for manufacture thereof

OZAWA CONCRETE KOGYO KK28 citations84