HO

Hisayoshi Ohkoshi

SC Senju Sprinkler Co.: 4 patents #1 of 4Top 25%
Overall (2020): #54,308 of 565,922Top 10%
4
Patents 2020

Issued Patents 2020

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D894339 Sprinkler head Yoshiki Sasaki, Yuta Watanabe 2020-08-25
D887800 Spanner wrench Yasuaki Koiwa 2020-06-23
D887527 Wrench socket for sprinkler head Yasuaki Koiwa 2020-06-16
D886945 Deflector for sprinkler head Yoshiki Sasaki, Yuta Watanabe 2020-06-09