Inventor

MASUDA HIROKAZU

JP4 patents

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

MITSUBISHI CHEM CORP

2 patents

US5639783AJun 17, 1997

Ketone derivatives

MITSUBISHI CHEM CORP10 citations72

US5834508ANov 10, 1998

Ketone derivatives

MITSUBISHI CHEM CORP4 citations61

MITSUBISHI CHEM IND

1 patent

US5424325AJun 13, 1995

Aminoketone derivatives

MITSUBISHI CHEM IND41 citations92

MATSUSHITA ELECTRIC WORKS LTD

1 patent

US7076236B2Jul 11, 2006

Portable radio communication terminal and call center apparatus

MATSUSHITA ELECTRIC WORKS LTD14 citations79