Inventor

HIRAI YASUHIRO

JP8 patents

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

MITSUBISHI GAS CHEMICAL CO

4 patents

US5321097AJun 14, 1994

Heat-resistant resin composition

MITSUBISHI GAS CHEMICAL CO7 citations72

US5644018AJul 1, 1997

Pitch with reduced tendency to smoke during spinning and a process for the production of said pitch

MITSUBISHI GAS CHEMICAL CO6 citations61

US6228343B1May 8, 2001

Method for producing isotropic pitch, activated carbon fibers and carbon materials for non-aqueous secondary battery anodes

MITSUBISHI GAS CHEMICAL CO4 citations59

US5944980AAug 31, 1999

Method for producing isotropic pitch, activated carbon fibers and carbon materials for non-aqueous secondary battery anodes

MITSUBISHI GAS CHEMICAL CO2 citations59

MITSUBISHI ENG PLASTICS CORP

1 patent

US6664313B2Dec 16, 2003

Polycarbonate resin composition and its molded articles

MITSUBISHI ENG PLASTICS CORP59 citations95

OSAKA GAS CO LTD

1 patent

US6042798AMar 28, 2000

Method of desulfurization of hydrocarbons

OSAKA GAS CO LTD57 citations95

NAGAI MASAYUKI

1 patent

US8097670B2Jan 17, 2012

Polyacetal resin composition, process for producing the same, and sliding member molded from the resin composition

NAGAI MASAYUKI7 citations80

HIRAI YASUHIRO

1 patent

USD853232SJul 9, 2019

Combined container and base

HIRAI YASUHIRO1 citations54