Inventor
MIYAJIMA HIROMITSU
JP17 patents
⚠️ This page may combine multiple inventors who share the name “MIYAJIMA HIROMITSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ELEVATOR CO
9 patentsUS10526172B2Jan 7, 2020
Mechanical hoistway access control device
OTIS ELEVATOR CO8 citations81
US10302549B2May 28, 2019
Handrail friction checking device
OTIS ELEVATOR CO3 citations73
US10669125B2Jun 2, 2020
Elevator rope guide system
OTIS ELEVATOR CO4 citations68
US12540053B2Feb 3, 2026
Elevator system with cabin divider
OTIS ELEVATOR CO0 citations62
US10954102B2Mar 23, 2021
Diagnostic step for a passenger conveyor
OTIS ELEVATOR CO1 citations62
US10882717B2Jan 5, 2021
Elevator network for emergency operation
OTIS ELEVATOR CO1 citations60
US11634301B2Apr 25, 2023
System and method for detection of a malfunction in an elevator
OTIS ELEVATOR CO1 citations58
US10889465B2Jan 12, 2021
Mechanical hoistway access control device
OTIS ELEVATOR CO0 citations53
US10035685B2Jul 31, 2018
Monitoring system for a passenger conveyor
OTIS ELEVATOR CO1 citations52
MITSUI MINING & SMELTING CO
5 patentsUS5500871AMar 19, 1996
Spread spectrum communication transmitter an LSI therefor
MITSUI MINING & SMELTING CO80 citations95
US7058532B1Jun 6, 2006
Flowmeter
MITSUI MINING & SMELTING CO19 citations83
US6983214B2Jan 3, 2006
Flow rate measuring method and flow-meter
MITSUI MINING & SMELTING CO12 citations82
US6647777B1Nov 18, 2003
Flow rate sensor, flow meter, and discharge rate control apparatus for liquid discharge machines
MITSUI MINING & SMELTING CO17 citations82
US5850414ADec 15, 1998
Spread spectrum communication receiver with synchronizing circuit
MITSUI MINING & SMELTING CO12 citations73