Naganawa; Hiroki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Naganawa; Hiroki.The latest application filed is for "double-wall pipe, method of manufacturing the same and refrigerant cycle device provided with the same".

Company Profile

0.8.8

Naganawa; Hiroki - Nishio JP
NAGANAWA; Hiroki - Nishio-city JP
Naganawa; Hiroki - Kariya 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
Double-wall pipe, method of manufacturing the same and refrigerant cycle device provided with the same Grant 9,669,499 - Nakamura , et al. June 6, 2	2017-06-06
Double-Wall Pipe, Method Of Manufacturing The Same And Refrigerant Cycle Device Provided With The Same App 20140109373 - NAKAMURA; Fumiaki ; et al.	2014-04-24
Refrigerant piping unit and method of manufacturing pipe for the same Grant 8,251,101 - Yoshino , et al. August 28, 2	2012-08-28
Heat exchanger pipe joint Grant 7,926,853 - Katoh , et al. April 19, 2	2011-04-19
Double-wall pipe, method of manufacturing the same and refrigerant cycle device provided with the same App 20110073208 - Nakamura; Fumiaki ; et al.	2011-03-31
Compound tube and method of producing the same Grant 7,887,099 - Kurata , et al. February 15, 2	2011-02-15
Method of manufacturing double pipe Grant 7,886,420 - Naganawa , et al. February 15, 2	2011-02-15
Double-wall pipe, method of manufacturing the same and refrigerant cycle device provided with the same Grant 7,866,378 - Nakamura , et al. January 11, 2	2011-01-11
Refrigerant piping unit and method of manufacturing pipe for the same App 20090145152 - Yoshino; Makoto ; et al.	2009-06-11
Compound tube and method of producing the same App 20080030023 - Kurata; Shun ; et al.	2008-02-07
Method of manufacturing double pipe App 20070246117 - Naganawa; Hiroki ; et al.	2007-10-25
Pipe joint apparatus, pipe joint structure of heat exchanger, and method of assembling pipe to heat exchanger App 20070205598 - Katoh; Yoshiki ; et al.	2007-09-06
Gas-liquid separator for refrigerant cycle system Grant 7,249,467 - Nishida , et al. July 31, 2	2007-07-31
Double-wall pipe, method of manufacturing the same and refrigerant cycle device provided with the same App 20060096744 - Nakamura; Fumiaki ; et al.	2006-05-11
Gas-liquid separator for refrigerant cycle system App 20040237577 - Nishida, Shin ; et al.	2004-12-02

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