Inventor

HIRATA FUMIAKI

JP6 patents

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

TAKEDA CHEMICAL INDUSTRIES LTD

2 patents

US5576412ANov 19, 1996

Optical urethane resin

TAKEDA CHEMICAL INDUSTRIES LTD37 citations91

US5086175AFeb 4, 1992

Polyisocyanates, their production and uses

TAKEDA CHEMICAL INDUSTRIES LTD34 citations91

MITSUI CHEMICALS INC

2 patents

US7691940B2Apr 6, 2010

Aqueous polyurethane resin and method for producing aqueous polyurethane resin and film

MITSUI CHEMICALS INC2 citations61

US7897805B2Mar 1, 2011

Polyisocyanate production method and polyisocyanate production system

MITSUI CHEMICALS INC0 citations36

MITSUI TAKEDA CHEMICALS INC

1 patent

US7122697B2Oct 17, 2006

Method for producing carbamates and method for producing isocyanates

MITSUI TAKEDA CHEMICALS INC9 citations71

NIPPON STEEL CORP

1 patent

US6797770B1Sep 28, 2004

Coating composition capable of forming alkali-soluble lubricating film suitable for forming and use thereof

NIPPON STEEL CORP11 citations70