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Yasuaki Koiwa — 1 Patent in 2021

SCSenju Sprinkler Co.: 1 patents #1 of 3Top 35%
Overall (2021): #205,570 of 548,734Top 40%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11160999 Protector for heat-sensitive element of sprinkler head — 2021-11-02

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Yasumi Koike1
Yau Luong Koh1
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