Inventor
MATSUZAWA KOUZABURO
JP7 patents
Patents
7 patentsUS5366685ANov 22, 1994
Process of molding thermoplastic sheet by plug assist vacuum forming
IDEMITSU PETROCHEMICAL CO49 citations91
US5597428AJan 28, 1997
Method of sealing containers
IDEMITSU PETROCHEMICAL CO15 citations72
US5282920AFeb 1, 1994
Process of and an apparatus for sealing thermoplastic resin sheet
IDEMITSU PETROCHEMICAL CO6 citations72
US5173143ADec 22, 1992
Process of sealing thermoplastic resin sheet
IDEMITSU PETROCHEMICAL CO6 citations72
US5896662AApr 27, 1999
Multi-layer structure roller and a method for producing the same
IDEMITSU PETROCHEMICAL CO4 citations61
US5895344AApr 20, 1999
Multi-layer structure roller and a method for producing the same
IDEMITSU PETROCHEMICAL CO5 citations61
US6182349B1Feb 6, 2001
Method for producing a seamless metallic belt
IDEMITSU PETROCHEMICAL CO1 citations51