Sugaya; Norikazu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sugaya; Norikazu.The latest application filed is for "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".

Company Profile

0.5.6

Sugaya; Norikazu - Chiba N/A JP
Sugaya; Norikazu - Yamanashi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
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 Grant 8,936,048 - Sugaya January 20, 2	2015-01-20
Copper alloy plumbing hardware, such as valves and tube couplings, and the treatment method for reducing elution of lead Grant 8,221,556 - Sugaya July 17, 2	2012-07-17
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 App 20120125458 - SUGAYA; Norikazu	2012-05-24
Method for preventing elution of nickel from water-contact instrument of copper alloy by formation of a protective film Grant 8,182,879 - Sugaya , et al. May 22, 2	2012-05-22
Copper Alloy Plumbing Hardware, Such As Valves And Tube Couplings, And The Treatment Method For Reducing Elution Of Lead App 20110030738 - Sugaya; Norikazu	2011-02-10
Method for preventing elution of nickel from water-contact instrument of copper alloy by formation of a protective film App 20100263572 - Sugaya; Norikazu ; et al.	2010-10-21
Copper alloy plumbing hardware, such as valves and tube couplings, and the treatment method for reducing elution of lead App 20080220281 - Sugaya; Norikazu	2008-09-11
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 Grant 7,368,019 - Sugaya May 6, 2	2008-05-06
Method of preventing elution of nickel from wetted instrument of copper alloy, protective film formation agent for preventing elution of nickel and detergent for preventing elution of nickel App 20070166473 - Sugaya; Norikazu ; et al.	2007-07-19
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 App 20050287389 - Sugaya, Norikazu	2005-12-29

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