Patents/Inventors

Yasuaki Koiwa

TokyoJP5 patents

5 Patents

USD10917622025
Deflector for Sprinkler Head
SENJU SPRINKLER CO., Ltd.
0 cites
USD10830302025
Deflector for Sprinkler Head
SENJU SPRINKLER CO., Ltd.
0 cites
USD10295992024
Wrench Socket for Sprinkler Head
SENJU SPRINKLER CO., Ltd.
0 cites
USD10005852023
Protective Cap for Sprinkler Head
SENJU SPRINKLER CO., Ltd.
0 cites
US116425572023
Sprinkler Head Accessory
SENJU SPRINKLER CO., Ltd.
0 cites