Inventor
MAKIHATA SHINTARO
JP4 patents
Patents
4 patentsUS11441717B2Sep 13, 2022
Resin pipe fitting
NIPPON PILLAR PACKING2 citations72
US10571060B2Feb 25, 2020
Structure of resin-made pipe joint
NIPPON PILLAR PACKING4 citations72
US10436364B2Oct 8, 2019
Structure of resin-made pipe joint
NIPPON PILLAR PACKING2 citations72
US11280434B2Mar 22, 2022
Resin tube fitting
NIPPON PILLAR PACKING0 citations51