Patents by Inventor Hong-Phuc NGUYEN
Hong-Phuc NGUYEN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11648758Abstract: A formed article according to one embodiment of the present disclosure includes a cylindrical base layer containing a polyimide as a main component, a sliding layer disposed on an inner circumferential surface side of the base layer and containing a polyether ether ketone as a main component, and an outermost layer disposed on an outer circumferential surface side of the base layer and containing a fluororesin as a main component.Type: GrantFiled: November 18, 2020Date of Patent: May 16, 2023Assignee: SUMITOMO ELECTRIC FINE POLYMER, INC.Inventor: Hong-Phuc Nguyen
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Patent number: 11552356Abstract: An electricity storage device member is provided. The electricity storage device member includes a base material mainly composed of a metal and a resin layer stacked on the base material, in which the resin layer contains a crosslinked fluororesin.Type: GrantFiled: March 20, 2018Date of Patent: January 10, 2023Assignees: Sumitomo Electric Fine Polymer, Inc., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Makoto Nakabayashi, Hong-Phuc Nguyen, Keiji Kaita, Motoyoshi Okumura, Takuro Kikuchi
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Publication number: 20220388287Abstract: A formed article according to one embodiment of the present disclosure includes a cylindrical base layer containing a polyimide as a main component, a sliding layer disposed on an inner circumferential surface side of the base layer and containing a polyether ether ketone as a main component, and an outermost layer disposed on an outer circumferential surface side of the base layer and containing a fluororesin as a main component.Type: ApplicationFiled: November 18, 2020Publication date: December 8, 2022Inventor: Hong-Phuc NGUYEN
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Patent number: 11326034Abstract: A manufacturing method for a polytetrafluoroethylene formed product according to an aspect of the invention is a manufacturing method for a polytetrafluoroethylene formed product, the method including a step of irradiating a forming material containing a polytetrafluoroethylene as a principal component with ionizing radiation, wherein the polytetrafluoroethylene has a melt viscosity at 380° C. of not greater than 7×105 Pa·s.Type: GrantFiled: August 30, 2016Date of Patent: May 10, 2022Assignees: SUMITOMO ELECTRIC FINE POLYMER, DAIKIN INDUSTRIES, LTD.Inventors: Kazuaki Ikeda, Hong-Phuc Nguyen, Hirotoshi Yoshida, Taku Yamanaka
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Patent number: 10858487Abstract: A polytetrafluoroethylene formed product according to an aspect of the invention contains, as a principal component, a polytetrafluoroethylene having a crosslinked structure and has a PV limit of not less than 1600 MPa·m/min.Type: GrantFiled: August 30, 2016Date of Patent: December 8, 2020Assignees: SUMITOMO ELECTRIC FINE POLYMER, INC., DAIKIN INDUSTRIES, LTD.Inventors: Kazuaki Ikeda, Hong-Phuc Nguyen, Hirotoshi Yoshida, Taku Yamanaka
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Publication number: 20200119317Abstract: An electricity storage device member is provided. The electricity storage device member includes a base material mainly composed of a metal and a resin layer stacked on the base material, in which the resin layer contains a crosslinked fluororesin.Type: ApplicationFiled: March 20, 2018Publication date: April 16, 2020Applicants: Sumitomo Electric Fine Polymer, Inc., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Makoto NAKABAYASHI, Hong-Phuc NGUYEN, Keiji KAITA, Motoyoshi OKUMURA, Takuro KIKUCHI
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Publication number: 20190040212Abstract: A polytetrafluoroethylene formed product according to an aspect of the invention contains, as a principal component, a polytetrafluoroethylene having a crosslinked structure and has a PV limit of not less than 1600 MPa·m/min.Type: ApplicationFiled: August 30, 2016Publication date: February 7, 2019Applicants: SUMITOMO ELECTRIC FINE POLYMER, INC., DAIKIN INDUSTRIES, LTD.Inventors: Kazuaki IKEDA, Hong-Phuc NGUYEN, Hirotoshi YOSHIDA, Taku YAMANAKA
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Publication number: 20190040218Abstract: A manufacturing method for a polytetrafluoroethylene formed product according to an aspect of the invention is a manufacturing method for a polytetrafluoroethylene formed product, the method including a step of irradiating a forming material containing a polytetrafluoroethylene as a principal component with ionizing radiation, wherein the polytetrafluoroethylene has a melt viscosity at 380° C. of not greater than 7×105 Pa·s.Type: ApplicationFiled: August 30, 2016Publication date: February 7, 2019Applicants: SUMITOMO ELECTRIC FINE POLYMER, INC., DAIKIN INDUSTRIES, LTD.Inventors: Kazuaki IKEDA, Hong-Phuc NGUYEN, Hirotoshi YOSHIDA, Taku YAMANAKA
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Publication number: 20180050517Abstract: An adhesive reinforcing sheet according to an embodiment of the present invention includes a surface layer containing a crosslinked fluororesin as a main component, an intermediate layer laminated on one of surfaces of the surface layer and containing a metal or a super engineering plastic as a main component, and an adhesive layer laminated on a surface of the intermediate layer, the surface being opposite to the surface layer. In the adhesive reinforcing sheet, the crosslinked fluororesin is chemically bonded to the intermediate layer. The intermediate layer may contain aluminum, stainless steel, or iron as the main component. The intermediate layer may contain a polyimide, a polyamide-imide, or a combination of a polyimide and a polyamide-imide as the main component.Type: ApplicationFiled: February 9, 2016Publication date: February 22, 2018Applicant: SUMITOMO ELECTRIC FINE POLYMER, INC.Inventors: Hong-Phuc NGUYEN, Kazuaki IKEDA
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Patent number: 9201333Abstract: Provided is a heat-shrinkable resin tube for forming a resin layer on a rotary member for an image forming part, such as a charging roller, a developing roller, or a transfer roller, a rotary member for support, or a rotary member for paper discharge in an image forming apparatus, in which a maximum depth of at least one linear scratch on a surface of the heat-shrinkable resin tube is 0.8 ?m or less. A maximum length of the at least one linear scratch may be 1 mm or less, the resin tube may have a thickness of 100 ?m or less, and the at least one linear scratch may extend in a direction parallel to an axial direction of the resin tube or in a direction tilted by 20° or less with respect to the axial direction.Type: GrantFiled: January 19, 2012Date of Patent: December 1, 2015Assignee: SUMITOMO ELECTRIC FINE POLYMER, INC.Inventors: Yasuhiro Fukumoto, Hong-Phuc Nguyen
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Patent number: 8828514Abstract: Provided are a fluororesin tube that has substantially no scratches formed during manufacturing, and a rotary member for a fixing device, the rotary member obtained by using the fluororesin tube. The fluororesin tube is a heat-shrinkable fluororesin tube that covers a rotary member for a fixing device, such as a fixing roller or a pressure roller, to form an outermost layer of the rotary member, wherein a maximum depth of a linear scratch on a surface of the fluororesin tube is 0.8 ?m or less. In one embodiment, the length of the linear scratch is 1 mm or less, and the thickness of the fluororesin tube is 100 ?m or less.Type: GrantFiled: December 22, 2010Date of Patent: September 9, 2014Assignee: Sumitomo Electric Fine Polymer, Inc.Inventors: Yasuhiro Fukumoto, Hong-Phuc Nguyen
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Publication number: 20120315068Abstract: Provided are a fluororesin tube that has substantially no scratches formed during manufacturing, and a rotary member for a fixing device, the rotary member obtained by using the fluororesin tube. The fluororesin tube is a heat-shrinkable fluororesin tube that covers a rotary member for a fixing device, such as a fixing roller or a pressure roller, to form an outermost layer of the rotary member, wherein a maximum depth of a linear scratch on a surface of the fluororesin tube is 0.8 ?m or less. In one embodiment, the length of the linear scratch is 1 mm or less, and the thickness of the fluororesin tube is 100 ?m or less.Type: ApplicationFiled: December 22, 2010Publication date: December 13, 2012Applicant: SUMITOMO ELECTRIC FINE POLYMER INCInventors: Yasuhiro Fukumoto, Hong-Phuc Nguyen
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Publication number: 20120298250Abstract: Provided are a method and an apparatus for producing a heat-shrinkable tube. An apparatus 100 includes a pair of pinch rollers 105 that can be moved along a feeding path of a tube 101 and that can be opened and closed with the feeding path therebetween, an air vent 104 that supplies air from an end of the tube 101 to the inside of the tube, a pair of pinch rollers 106 that is arranged closer to the air vent 104 than the pinch rollers 105 and that can be opened and closed with the feeding path therebetween, and a control unit 114 that adjusts inflation of the tube by supplying air in the tube while the pinch rollers 105 are closed and the pinch rollers 106 are opened, then closing the pinch rollers 106, and changing a distance between the pinch rollers 105 and the pinch rollers 106.Type: ApplicationFiled: December 22, 2010Publication date: November 29, 2012Applicant: Sumitomo Electric Fine Polymer, Inc.Inventors: Yasuhiro Fukumoto, Hong-Phuc Nguyen, Kazuaki Ikeda, Masanobu Inoue
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Publication number: 20120225232Abstract: Provided is a heat-shrinkable resin tube for forming a resin layer on a rotary member for an image forming part, such as a charging roller, a developing roller, or a transfer roller, a rotary member for support, or a rotary member for paper discharge in an image forming apparatus, in which a maximum depth of at least one linear scratch on a surface of the heat-shrinkable resin tube is 0.8 ?m or less. A maximum length of the at least one linear scratch may be 1 mm or less, the resin tube may have a thickness of 100 ?m or less, and the at least one linear scratch may extend in a direction parallel to an axial direction of the resin tube or in a direction tilted by 20° or less with respect to the axial direction.Type: ApplicationFiled: January 19, 2012Publication date: September 6, 2012Applicant: SUMITOMO ELECTRIC FINE POLYMER, INC.Inventors: Yasuhiro FUKUMOTO, Hong-Phuc NGUYEN