Inventor
SHIKAI MASAHIRO
JP17 patents
⚠️ This page may combine multiple inventors who share the name “SHIKAI MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
12 patentsUS5426296AJun 20, 1995
Irregular pattern input device comprising an optical fiber bundle
MITSUBISHI ELECTRIC CORP61 citations95
US7578373B2Aug 25, 2009
Elevator rope slip detector and elevator system
MITSUBISHI ELECTRIC CORP24 citations92
US5428217AJun 27, 1995
Annular photodiode for use in an optical rotary encoder
MITSUBISHI ELECTRIC CORP30 citations92
US6962239B2Nov 8, 2005
Sliding door system with optical detector for safe door opening and closing
MITSUBISHI ELECTRIC CORP42 citations91
US7614482B2Nov 10, 2009
Elevator rope slip detector and elevator system
MITSUBISHI ELECTRIC CORP15 citations83
US7577279B2Aug 18, 2009
Identity verification apparatus and fingerprint image pickup method
MITSUBISHI ELECTRIC CORP9 citations82
US6631788B2Oct 14, 2003
Elevator system with safety installation
MITSUBISHI ELECTRIC CORP15 citations82
US6657185B2Dec 2, 2003
Pattern detector for capturing images with reduced distortion
MITSUBISHI ELECTRIC CORP8 citations73
US6054938AApr 25, 2000
Optical encoder
MITSUBISHI ELECTRIC CORP15 citations73
US6846116B2Jan 25, 2005
Sensor head
MITSUBISHI ELECTRIC CORP7 citations71
US7574023B2Aug 11, 2009
Fingerprint image pickup device
MITSUBISHI ELECTRIC CORP5 citations61
US11046341B2Jun 29, 2021
Satellite positioning apparatus and train control system capable of determining accurate and limited position range of moving object
MITSUBISHI ELECTRIC CORP0 citations50