Inventor
DOHI MANABU
JP23 patents
⚠️ This page may combine multiple inventors who share the name “DOHI MANABU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOCHIKI CO
14 patentsUS6914535B2Jul 5, 2005
Light scattering type smoke sensor
HOCHIKI CO27 citations92
US6960987B2Nov 1, 2005
Fire alarm system, fire sensor, fire receiver, and repeater
HOCHIKI CO33 citations91
US7896544B2Mar 1, 2011
Heat detector and method of manufacturing heat detecting element
HOCHIKI CO9 citations82
US11761890B2Sep 19, 2023
Fire detection device
HOCHIKI CO2 citations70
US11454582B2Sep 27, 2022
Sensor
HOCHIKI CO2 citations70
US10360789B2Jul 23, 2019
Fire notification system and test method using test jig therefor
HOCHIKI CO6 citations69
USD908519SJan 26, 2021
Smoke detector
HOCHIKI CO2 citations68
USD814327SApr 3, 2018
Fire alarm
HOCHIKI CO3 citations67
US12379313B2Aug 5, 2025
Fire detection device
HOCHIKI CO0 citations60
US11385211B2Jul 12, 2022
Detector
HOCHIKI CO0 citations51
US7802918B2Sep 28, 2010
Heat detector
HOCHIKI CO1 citations51
US12494113B2Dec 9, 2025
Disaster prevention apparatus to detect fire outbreak or gas leakage
HOCHIKI CO0 citations50
US12430997B2Sep 30, 2025
Disaster prevention apparatus
HOCHIKI CO0 citations50
US11698340B2Jul 11, 2023
Fire detection apparatus
HOCHIKI CO0 citations49
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD
3 patentsUSD809458SFeb 6, 2018
Transformer housing
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD9 citations82
USD809457SFeb 6, 2018
Transformer housing
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD2 citations71
US9601256B2Mar 21, 2017
Wound iron core for static apparatus, amorphous transformer and coil winding frame for transformer
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD0 citations49