Inventor
HAMAJI HIROAKI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “HAMAJI HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
5 patentsUS7717238B2May 18, 2010
Elevator control system
MITSUBISHI ELECTRIC CORP38 citations91
US6427808B1Aug 6, 2002
Elevator information communication system
MITSUBISHI ELECTRIC CORP5 citations72
US6561319B2May 13, 2003
Elevator information communication system
MITSUBISHI ELECTRIC CORP2 citations61
US6497306B2Dec 24, 2002
Elevator information communication system
MITSUBISHI ELECTRIC CORP2 citations61
US6488127B2Dec 3, 2002
Elevator information communication system
MITSUBISHI ELECTRIC CORP2 citations61