YK

Yasuaki Koiwa

SC Senju Sprinkler Co.: 3 patents #1 of 1Top 100%
Overall (2016): #49,980 of 481,213Top 15%
3
Patents 2016

Issued Patents 2016

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9463343 Protecting cap and sprinkler head — 2016-10-11
9339675 Sprinkler head — 2016-05-17
9320929 Protective cap of sprinkler head and sprinkler head — 2016-04-26