Inventor
HORIKAWA GOU
JP3 patents
Patents
3 patentsUS11248732B2Feb 15, 2022
Gate valve
WATERWORKS TECHNOLOGY DEV ORG2 citations67
US11421811B2Aug 23, 2022
Hermetically sealing device and hermetically sealing method
WATERWORKS TECHNOLOGY DEV ORG0 citations47
US12422081B2Sep 23, 2025
Branch pipe forming apparatus, lid doubling as valve element, branch pipe forming apparatus with lid doubling as valve element, and branch pipe formation method
WATERWORKS TECHNOLOGY DEV ORG0 citations41