KN

Kanji Numao

FJ Fenwal Controls Of Japan: 5 patents #2 of 13Top 20%
Overall (All Time): #987,308 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10151693 Photoelectric smoke sensor Masao Iguchi, Tadayuki Shibuya, Shintaro Masumoto 2018-12-11
10054542 Photoelectric smoke detector Masao Iguchi, Tadayuki Shibuya, Shintaro Masumoto 2018-08-21
8743366 Light emission portion, photoelectric smoke sensor, and suction-type smoke sensing system Tadayuki Shibuya 2014-06-03
7948627 Photoelectric smoke detector Masao Iguchi 2011-05-24
7697140 Photoelectric smoke detector Masao Iguchi 2010-04-13