Inventor

SUGAYA NORIKAZU

JP4 patents

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

SUGAYA NORIKAZU

3 patents

US8182879B2May 22, 2012

Method for preventing elution of nickel from water-contact instrument of copper alloy by formation of a protective film

SUGAYA NORIKAZU2 citations53

US8936048B2Jan 20, 2015

Copper and zinc elution preventing method of copper-alloy-made plumbing instrument including valve and pipe joint, copper-alloy-made plumbing instrument using the method, and film-forming agent

SUGAYA NORIKAZU0 citations42

US8221556B2Jul 17, 2012

Copper alloy plumbing hardware, such as valves and tube couplings, and the treatment method for reducing elution of lead

SUGAYA NORIKAZU0 citations42

KITZ CORP

1 patent

US7368019B2May 6, 2008

Method for preventing elution of lead and/or nickel from copper alloy piping material such as valve or pipe joint and copper alloy piping material, and fluid for use in cleaning piping material

KITZ CORP5 citations55