P

Inventor

NAKAYASU KYOUICHI

JP6 patents
⚠️ This page may combine multiple inventors who share the name “NAKAYASU KYOUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI SHIPBUILDING ENG CO

3 patents
US9091033B2Jul 28, 2015

Floating flap gate

HITACHI SHIPBUILDING ENG CO2 citations58
US9528621B2Dec 27, 2016

Apparatus for shutting off flow of water through ductwork

HITACHI SHIPBUILDING ENG CO0 citations33
US9267253B2Feb 23, 2016

Land-mounted flap gate

HITACHI SHIPBUILDING ENG CO0 citations33

NAKAYASU KYOUICHI

1 patent
US9528239B2Dec 27, 2016

Floating flap gate

NAKAYASU KYOUICHI3 citations64

INUI MASAKI

1 patent
US9267322B2Feb 23, 2016

Flap gate-type waterproof panel for wall installation

INUI MASAKI5 citations64

ARAI HIROAKI

1 patent
US9926682B2Mar 27, 2018

Door structure for floating flap gate

ARAI HIROAKI0 citations37