Inventor

FUTAMATA KAZUO

JP4 patents

Patents

4 patents

US9856986B2Jan 2, 2018

Valve device

SUMITOMO RUBBER IND4 citations68

US9802198B2Oct 31, 2017

Valve device

SUMITOMO RUBBER IND6 citations68

US9678453B2Jun 13, 2017

Semiconductive roller

SUMITOMO RUBBER IND0 citations34

US9658557B2May 23, 2017

Semiconductive roller

SUMITOMO RUBBER IND0 citations34