Inventor

SHIBUYA TADAYUKI

JP4 patents

⚠️ This page may combine multiple inventors who share the name “SHIBUYA TADAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FENWAL CONTROLS JAPAN LTD

2 patents

US10151693B2Dec 11, 2018

Photoelectric smoke sensor

FENWAL CONTROLS JAPAN LTD2 citations68

US10054542B2Aug 21, 2018

Photoelectric smoke detector

FENWAL CONTROLS JAPAN LTD6 citations68

NUMAO KANJI

1 patent

US8743366B2Jun 3, 2014

Light emission portion, photoelectric smoke sensor, and suction-type smoke sensing system

NUMAO KANJI8 citations75

SHIBUYA TADAYUKI

1 patent

US9297753B2Mar 29, 2016

Photoelectric smoke sensor

SHIBUYA TADAYUKI1 citations40