Inventor

SHIMADZU Tomohiko

JP6 patents

Patents

6 patents

US11761890B2Sep 19, 2023

Fire detection device

HOCHIKI CO2 citations70

US11454582B2Sep 27, 2022

Sensor

HOCHIKI CO2 citations70

US12379313B2Aug 5, 2025

Fire detection device

HOCHIKI CO0 citations60

US10943453B2Mar 9, 2021

Alarm apparatus

HOCHIKI CO0 citations56

US11698340B2Jul 11, 2023

Fire detection apparatus

HOCHIKI CO0 citations49

US10950113B2Mar 16, 2021

Alarm device

HOCHIKI CO0 citations46