Inventor
TORIKOSHI YASUO
JP4 patents
Patents
4 patentsUS5497009AMar 5, 1996
Photoelectric smoke sensor and fire detecting system, and sensitivity testing method therefor
HOCHIKI CO31 citations91
US5436614AJul 25, 1995
Thermal analog fire detector
HOCHIKI CO18 citations72
US5254975AOct 19, 1993
Compensation type heat sensor
HOCHIKI CO19 citations69
US5619184AApr 8, 1997
System for monitoring disaster prevention
HOCHIKI CO4 citations60