Inventor
NUMAO KANJI
JP5 patents
⚠️ This page may combine multiple inventors who share the name “NUMAO KANJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FENWAL CONTROLS JAPAN LTD
4 patentsUS7948627B2May 24, 2011
Photoelectric smoke detector
FENWAL CONTROLS JAPAN LTD22 citations90
US7697140B2Apr 13, 2010
Photoelectric smoke detector
FENWAL CONTROLS JAPAN LTD22 citations90
US10151693B2Dec 11, 2018
Photoelectric smoke sensor
FENWAL CONTROLS JAPAN LTD2 citations68
US10054542B2Aug 21, 2018
Photoelectric smoke detector
FENWAL CONTROLS JAPAN LTD6 citations68