Patents by Inventor Naoto Terada
Naoto Terada 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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Publication number: 20230125108Abstract: An object of the present invention is to provide a method for decolorizing an essential oil by which a change in a flavor of the essential oil is small even after decolorization. The first embodiment of the present invention relates to a method for decolorizing an essential oil, the method including an oxidation step of oxidizing an essential oil, in which the oxidation step includes a step of adding water and a phenol oxidase to the essential oil, and an addition amount of the water is 0.1 parts by mass to 1000 parts by mass with respect to 100 parts by mass of the essential oil.Type: ApplicationFiled: March 22, 2021Publication date: April 27, 2023Applicant: TAKASAGO INTERNATIONAL CORPORATIONInventors: Hiroyuki MATSUDA, Naoto TERADA, Tadahiro HIRAMOTO
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Patent number: 6667463Abstract: A heater comprising: a metal sheath; a heating element that is connected to the inner surface of the metal sheath at one end thereof; a center pole that is extending from an opening of the metal sheath to an interior of the metal sheath and directly or indirectly connected to the heating element; an insulating material that is packed in the interior of the metal sheath; and an elastic packing, wherein the opening of the metal sheath is closed by sealing of a gap between the metal sheath and the center pole with the elastic packing, and an axial length of a portion of the elastic packing, the portion is between the metal sheath and the center pole, is not smaller than 2.5 mm.Type: GrantFiled: April 26, 2002Date of Patent: December 23, 2003Assignee: NGK Spark Plug Co., Ltd.Inventor: Naoto Terada
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Patent number: 6660971Abstract: A heater comprising: a cylindrical metal shell having an engagement portion, the portion having a narrowed diameter; a cylindrical heating tube comprising a closed top end, a fitting portion, a smaller diameter portion, a base end side-larger diameter portion and a top end side-larger diameter portion, wherein a base end of the heating tube protrudes into an inside of the metal shell, the fitting portion is fitted into the engagement portion in interference fit, the smaller diameter portion comprises the base end of the heating tube, the smaller diameter portion has a smaller outer diameter than an inner diameter of the engagement portion, the base end side-larger diameter portion is formed between the fitting portion and the smaller diameter portion, the base end side-larger diameter portion has an outer diameter larger than or equal to the inner diameter of the engagement portion, the top end side-larger diameter portion is formed adjacent to a top end side of the fitting portion, and the top end side-largeType: GrantFiled: May 28, 2002Date of Patent: December 9, 2003Assignee: NGK Spark Plug Co., Ltd.Inventors: Naoto Terada, Kouji Okuda
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Patent number: 6627854Abstract: A heater 1 has a seal structure formed by inserting a shaft-like member 4 into a stepped bore 8 formed in a tubular member 2, and setting an O-ring 16 on an upper surface of a stepped portion of the stepped bore 8, a clearance 15 between the shaft-like member 4 and tubular member 2 being thereby sealed with this seal structure. A seal region 17 is formed on the upper surface of the stepped portion of the stepped bore 8, and a conical introduction port portion 18 extending divergently in the rearward direction from the seal region toward an opening of the stepped bore 8 is provided. Moreover, a cone angle &agr; of the introduction port portion 18 with respect to an axis L of the tubular member 2 is set to not larger than 35°.Type: GrantFiled: June 10, 2002Date of Patent: September 30, 2003Assignee: NGK Spark Plug Co., Ltd.Inventors: Chiaki Kumada, Naoto Terada, Shunsuke Goto
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Publication number: 20020195436Abstract: A heater 1 has a seal structure formed by inserting a shaft-like member 4 into a stepped bore 8 formed in a tubular member 2, and setting an O-ring 16 on an upper surface of a stepped portion of the stepped bore 8, a clearance 15 between the shaft-like member 4 and tubular member 2 being thereby sealed with this seal structure. A seal region 17 is formed on the upper surface of the stepped portion of the stepped bore 8, and a conical introduction port portion 18 extending divergently in the rearward direction from the seal region toward an opening of the stepped bore 8 is provided. Moreover, a cone angle &agr; of the introduction port portion 18 with respect to an axis L of the tubular member 2 is set to not larger than 35°.Type: ApplicationFiled: June 10, 2002Publication date: December 26, 2002Applicant: NGK SPARK PLUG CO., LTD.Inventors: Chiaki Kumada, Naoto Terada, Shunsuke Goto
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Publication number: 20020190049Abstract: A heater comprising: a metal sheath; a heating element that is connected to the inner surface of the metal sheath at one end thereof; a center pole that is extending from an opening of the metal sheath to an interior of the metal sheath and directly or indirectly connected to the heating element; an insulating material that is packed in the interior of the metal sheath; and an elastic packing, wherein the opening of the metal sheath is closed by sealing of a gap between the metal sheath and the center pole with the elastic packing, and an axial length of a portion of the elastic packing, the portion is between the metal sheath and the center pole, is not smaller than 2.5 mm.Type: ApplicationFiled: April 26, 2002Publication date: December 19, 2002Applicant: NGK SPARK PLUG CO., LTD.Inventor: Naoto Terada
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Publication number: 20020175157Abstract: A heater comprising: a cylindrical metal shell having an engagement portion, the portion having a narrowed diameter; a cylindrical heating tube comprising a closed top end, a fitting portion, a smaller diameter portion, a base end side-larger diameter portion and a top end side-larger diameter portion, wherein a base end of the heating tube protrudes into an inside of the metal shell, the fitting portion is fitted into the engagement portion in interference fit, the smaller diameter portion comprises the base end of the heating tube, the smaller diameter portion has a smaller outer diameter than an inner diameter of the engagement portion, the base end side-larger diameter portion is formed between the fitting portion and the smaller diameter portion, the base end side-larger diameter portion has an outer diameter larger than or equal to the inner diameter of the engagement portion, the top end side-larger diameter portion is formed adjacent to a top end side of the fitting portion, and the top end side-largeType: ApplicationFiled: May 28, 2002Publication date: November 28, 2002Applicant: NGK Spark Plug Co., Ltd.Inventors: Naoto Terada, Kouji Okuda