P

Inventor

NAKAYASU KYOICHI

JP4 patents
⚠️ This page may combine multiple inventors who share the name “NAKAYASU KYOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI SHIPBUILDING ENG CO

3 patents
US10697144B2Jun 30, 2020

Rotation bearing of flap gate and flap gate

HITACHI SHIPBUILDING ENG CO2 citations67
US10787780B2Sep 29, 2020

Flood prevention device

HITACHI SHIPBUILDING ENG CO0 citations46
US10458086B2Oct 29, 2019

Floating flap gate

HITACHI SHIPBUILDING ENG CO0 citations44

HITACHI ZOSEN CORP

1 patent
US11098458B2Aug 24, 2021

Flap gate

HITACHI ZOSEN CORP0 citations46