Patents by Inventor Yasutomo Nakajima
Yasutomo Nakajima 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: 11642552Abstract: The present invention aims to provide a warming composition showing a favorable dispersion stability after long-term storage, a high warming impact, and improvement of zeolite-specific deterioration of feeling of use, and to provide an aerosol formulation containing the warming composition. This object is achieved with a warming composition containing zeolite nanoparticles having an average particle size of not more than 500 nm, wherein the temperature of the composition is rapidly increased by heat generated by hydration reaction between the zeolite and water.Type: GrantFiled: September 13, 2019Date of Patent: May 9, 2023Assignees: Toyo Aerosol Industry Co., Ltd., The University of TokyoInventors: Hokuto Kamijyo, Yasutomo Nakajima, Toru Wakihara, Yasuo Yonezawa
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Publication number: 20210205184Abstract: A gelled aerosol product, comprising: a first container filled with a first liquid; a second container filled with a second liquid; and a propellant, and having a discharge mechanism for discharging the first liquid and the second liquid, wherein the first liquid comprises either one of the following (A) and (B), and tamarind gum, the second liquid comprises the other of the following (A) and (B), and glycerin and a diol having 2 to 6 carbon atoms: (A) at least one selected from the group consisting of locust bean gum, glucomannan, tara gum, and guar gum; and (B) xanthan gum, and the first liquid and the second liquid that are discharged are gelled by mixing.Type: ApplicationFiled: March 22, 2021Publication date: July 8, 2021Inventors: Keiji Sekiya, Tomoyuki Nishio, Yuki Kuwana, Yuri Nishikata, Remi Terashima, Yasutomo Nakajima, Hokuto Kamijyo
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Publication number: 20200339341Abstract: An aerosol product which comprises a first container that is filled with a first liquid, a second container that is filled with a second liquid, and a propellant, while having an ejection mechanism that ejects and mixes the first liquid and the second liquid, and which is characterized in that: the first liquid contains an aqueous chlorite solution; and the second liquid contains an aqueous solution of an acidic substance.Type: ApplicationFiled: July 8, 2020Publication date: October 29, 2020Inventors: Yasutomo Nakajima, Remi Terashima
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Patent number: 10815047Abstract: The object of present invention is to provide a chemiluminescent aerosol product that can easily form an expected quantity of a chemiluminescent composition which exhibits excellent storage stability, is stably self-held for a long period of time and achieves a good luminous effect. This aerosol product includes a double-structure container provided with a discharging mechanism for simultaneously discharging contents filled in two liquid concentrate filling spaces. A propellant filling space is filled with a propellant composed of a compressed gas, a first liquid concentrate filling space is filled with a first liquid concentrate composition containing an oxalic acid ester, a fluorescent substance and a thickener, and having a viscosity of 10,000-200,000 mPa·s (20° C.Type: GrantFiled: March 14, 2019Date of Patent: October 27, 2020Assignees: LUMICA CORPORATION, TOYO AEROSOL INDUSTRY CO., LTD.Inventors: Makoto Tsubouchi, Keisuke Koshizuka, Yasutomo Nakajima, Shinichi Tsunoda, Masaya Ito, Shiro Harada
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Patent number: 10549905Abstract: The present invention has as its object the provision of an aerosol product for forming a gel composition. The aerosol product has high storage stability and can form a desired gel composition easily and stably. The aerosol product for forming a gel composition of the present invention has a double-structure container including a propellant filling space and two liquid concentrate filling spaces and having a discharging mechanism for simultaneously discharging the contents filled in the two liquid concentrate filling spaces. The propellant filling space is filled with a propellant composed of a compressed gas, a first liquid concentrate filling space is filled with a first liquid concentrate composition containing water and a water-soluble alginic acid salt, and a second liquid concentrate filling space contains a second liquid concentrate composition containing water and a dissociative calcium salt.Type: GrantFiled: March 9, 2016Date of Patent: February 4, 2020Assignee: TOYO AEROSOL INDUSTRY CO., LTD.Inventors: Yasutomo Nakajima, Makoto Tsubouchi, Hokuto Kamijyo, Tomoyuki Niinomi, Remi Ikeda
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Publication number: 20200009066Abstract: The present invention aims to provide a warming composition showing a favorable dispersion stability after long-term storage, a high warming impact, and improvement of zeolite-specific deterioration of feeling of use, and to provide an aerosol formulation containing the warming composition. This object is achieved with a warming composition containing zeolite nanoparticles having an average particle size of not more than 500 nm, wherein the temperature of the composition is rapidly increased by heat generated by hydration reaction between the zeolite and water.Type: ApplicationFiled: September 13, 2019Publication date: January 9, 2020Inventors: Hokuto Kamijyo, Yasutomo Nakajima, Toru Wakihara, Yasuo Yonezawa
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Patent number: 10435228Abstract: The present invention has as its object the provision of a two-liquid mixing-type aerosol product having high formulation stability, being capable of easily forming a discharge material having a desired composition, and providing comfort during use when it is applied to the human body. A two-liquid mixing-type aerosol product of the present invention has a double-structure container including a propellant filling space and two liquid concentrate filling spaces and having a discharging mechanism for simultaneously discharging the contents filled in the two liquid concentrate filling spaces. The propellant filling space is filled with a propellant composed of a compressed gas. A first liquid concentrate filling space is filled with a first liquid concentrate composition having a viscosity of 1 to 1000 mPa·s at a temperature of 20° C. A second liquid concentrate filling space is filled with a second liquid concentrate composition having a viscosity of 1 to 1000 mPa·s at a temperature of 20° C.Type: GrantFiled: February 23, 2016Date of Patent: October 8, 2019Assignee: TOYO AEROSOL INDUSTRY CO., LTD.Inventors: Yasutomo Nakajima, Makoto Tsubouchi, Hokuto Kamijyo, Tomoyuki Niinomi, Remi Ikeda
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Publication number: 20190210792Abstract: The object of present invention is to provide a chemiluminescent aerosol product that can easily form an expected quantity of a chemiluminescent composition which exhibits excellent storage stability, is stably self-held for a long period of time and achieves a good luminous effect. This aerosol product includes a double-structure container provided with a discharging mechanism for simultaneously discharging contents filled in two liquid concentrate filling spaces. A propellant filling space is filled with a propellant composed of a compressed gas, a first liquid concentrate filling space is filled with a first liquid concentrate composition containing an oxalic acid ester, a fluorescent substance and a thickener, and having a viscosity of 10,000-200,000 mPa·s (20° C.Type: ApplicationFiled: March 14, 2019Publication date: July 11, 2019Inventors: Makoto TSUBOUCHI, Keisuke KOSHIZUKA, Yasutomo NAKAJIMA, Shinichi TSUNODA, Masaya ITO, Shiro HARADA
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Patent number: 10214341Abstract: The present invention has as its object the provision of an aerosol product for forming a cooling gel composition for the human body. The aerosol product can easily and stably form a cooling gel composition for the human body which has high storage stability and which provides comfort during use and a sufficient cooling effect. The aerosol product for forming a cooling gel composition for the human body of the present invention has a double-structure container including a propellant filling space and two liquid concentrate filling spaces and having a discharging mechanism for simultaneously discharging the contents filled in these two liquid concentrate filling spaces. The propellant filling space is filled with a propellant composed of a compressed gas. A first liquid concentrate filling space is filled with a first liquid concentrate composition containing a hydrated endothermic substance dispersed in a liquid medium.Type: GrantFiled: March 9, 2016Date of Patent: February 26, 2019Assignee: Toyo Aerosol Industry Co., Ltd.Inventors: Yasutomo Nakajima, Makoto Tsubouchi, Hokuto Kamijyo, Tomoyuki Niinomi, Remi Ikeda
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Patent number: 10159326Abstract: The present invention has as its object the provision of a two-liquid mixing-type aerosol product having high storage stability and being capable of easily forming a highly viscous discharge material with high functionality. The two-liquid mixing-type aerosol product of the present invention has a double-structure container including a propellant filling space and two liquid concentrate filling spaces and having a discharging mechanism for simultaneously discharging the contents in the two liquid concentrate filling spaces. The propellant filling space is filled with a propellant composed of a compressed gas. A first liquid concentrate filling space is filled with a first liquid concentrate composition, and a second liquid concentrate filling space is filled with a second liquid concentrate composition. The first liquid concentrate composition and the second liquid concentrate composition have different properties and each have a viscosity of from 1,000 to 125,000 mPa·s at a temperature of 20° C.Type: GrantFiled: February 23, 2016Date of Patent: December 25, 2018Assignee: TOYO AEROSOL INDUSTRY CO., LTD.Inventors: Yasutomo Nakajima, Makoto Tsubouchi, Hokuto Kamijyo, Tomoyuki Niinomi, Remi Ikeda
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Publication number: 20180049955Abstract: The present invention has as its object the provision of a two-liquid mixing-type aerosol toothpaste that has high storage stability and can easily form a high-functional toothpaste composition. The two-liquid mixing-type aerosol toothpaste of the present invention has a double-structure container including a propellant filling space and two liquid concentrate filling spaces and having a discharging mechanism for simultaneously discharging contents filled in the two liquid concentrate filling spaces. The propellant filling space is filled with a propellant composed of a compressed gas. A first liquid concentrate filling space is filled with a first liquid concentrate composition containing an active ingredient and having a viscosity of 1,000 to 125,000 mPa·s at a temperature of 20° C. A second liquid concentrate filling space is filled with a second liquid concentrate composition free of the active ingredient and having a viscosity of 1,000 to 125,000 mPa·s at a temperature of 20° C.Type: ApplicationFiled: March 14, 2016Publication date: February 22, 2018Inventors: Yasutomo NAKAJIMA, Makoto TSUBOUCHI, Hokuto KAMIJYO, Tomoyuki NIINOMI, Remi IKEDA
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Publication number: 20180044098Abstract: The present invention has as its object the provision of an aerosol product for forming a cooling gel composition for the human body. The aerosol product can easily and stably form a cooling gel composition for the human body which has high storage stability and which provides comfort during use and a sufficient cooling effect. The aerosol product for forming a cooling gel composition for the human body of the present invention has a double-structure container including a propellant filling space and two liquid concentrate filling spaces and having a discharging mechanism for simultaneously discharging the contents filled in these two liquid concentrate filling spaces. The propellant filling space is filled with a propellant composed of a compressed gas. A first liquid concentrate filling space is filled with a first liquid concentrate composition containing a hydrated endothermic substance dispersed in a liquid medium.Type: ApplicationFiled: March 9, 2016Publication date: February 15, 2018Inventors: Yasutomo NAKAJIMA, Makoto TSUBOUCHI, Hokuto KAMIJYO, Tomoyuki NINOMI, Remi IKEDA
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Publication number: 20180044099Abstract: The present invention has as its object the provision of an aerosol product for forming a gel composition. The aerosol product has high storage stability and can form a desired gel composition easily and stably. The aerosol product for forming a gel composition of the present invention has a double-structure container including a propellant filling space and two liquid concentrate filling spaces and having a discharging mechanism for simultaneously discharging the contents filled in the two liquid concentrate filling spaces. The propellant filling space is filled with a propellant composed of a compressed gas, a first liquid concentrate filling space is filled with a first liquid concentrate composition containing water and a water-soluble alginic acid salt, and a second liquid concentrate filling space contains a second liquid concentrate composition containing water and a dissociative calcium salt.Type: ApplicationFiled: March 9, 2016Publication date: February 15, 2018Inventors: Yasutomo NAKAJIMA, Makoto TSUBOUCHI, Hokuto KAMIJYO, Tomoyuki NIINOMI, Remi IKEDA
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Publication number: 20180035780Abstract: The present invention has as its object the provision of a two-liquid mixing-type aerosol product having high storage stability and being capable of easily forming a highly viscous discharge material with high functionality. The two-liquid mixing-type aerosol product of the present invention has a double-structure container including a propellant filling space and two liquid concentrate filling spaces and having a discharging mechanism for simultaneously discharging the contents in the two liquid concentrate filling spaces. The propellant filling space is filled with a propellant composed of a compressed gas. A first liquid concentrate filling space is filled with a first liquid concentrate composition, and a second liquid concentrate filling space is filled with a second liquid concentrate composition. The first liquid concentrate composition and the second liquid concentrate composition have different properties and each have a viscosity of from 1,000 to 125,000 mPa·s at a temperature of 20° C.Type: ApplicationFiled: February 23, 2016Publication date: February 8, 2018Inventors: Yasutomo NAKAJIMA, Makoto TSUBOUCHI, Hokuto KAMIJYO, Tomoyuki NIINOMI, Remi IKEDA
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Publication number: 20180029781Abstract: The present invention has as its object the provision of a two-liquid mixing-type aerosol product having high formulation stability, being capable of easily forming a discharge material having a desired composition, and providing comfort during use when it is applied to the human body. A two-liquid mixing-type aerosol product of the present invention has a double-structure container including a propellant filling space and two liquid concentrate filling spaces and having a discharging mechanism for simultaneously discharging the contents filled in the two liquid concentrate filling spaces. The propellant filling space is filled with a propellant composed of a compressed gas. A first liquid concentrate filling space is filled with a first liquid concentrate composition having a viscosity of 1 to 1000 mPa·s at a temperature of 20° C. A second liquid concentrate filling space is filled with a second liquid concentrate composition having a viscosity of 1 to 1000 mPa·s at a temperature of 20° C.Type: ApplicationFiled: February 23, 2016Publication date: February 1, 2018Inventors: Yasutomo NAKAJIMA, Makoto TSUBOUCHI, Hokuto KAMIJYO, Tomoyuki NIINOMI, Remi IKEDA
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Patent number: 9776787Abstract: A foam forming aerosol product including a double structure container having a propellant filling space, two liquid concentrate filling spaces, and a discharging mechanism for simultaneously discharging contents filled in the two liquid concentrate filling spaces. The propellant filling space is filled with a propellant containing a compressed gas. A first liquid concentrate filling space is filled with a first liquid concentrate composition containing 0.5 to 15.0% by mass of an organic acid, and a second liquid concentrate filling space is filled with a second liquid concentrate composition containing 0.5 to 15.0% by mass of a hydrogen carbonate. The first liquid concentrate composition discharged from the first liquid concentrate filling space and the second liquid concentrate composition discharged from the second liquid concentrate filling space are mixed to form a foam. The foam forming aerosol product can be safely used, has an excellent storage stability and is capable of readily forming a foam.Type: GrantFiled: August 16, 2012Date of Patent: October 3, 2017Assignee: TOYO AEROSOL INDUSTRY CO., LTD.Inventor: Yasutomo Nakajima
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Publication number: 20140246515Abstract: A foam forming aerosol product including a double structure container having a propellant filling space, two liquid concentrate filling spaces, and a discharging mechanism for simultaneously discharging contents filled in the two liquid concentrate filling spaces. The propellant filling space is filled with a propellant containing a compressed gas. A first liquid concentrate filling space is filled with a first liquid concentrate composition containing 0.5 to 15.0% by mass of an organic acid, and a second liquid concentrate filling space is filled with a second liquid concentrate composition containing 0.5 to 15.0% by mass of a hydrogen carbonate. The first liquid concentrate composition discharged from the first liquid concentrate filling space and the second liquid concentrate composition discharged from the second liquid concentrate filling space are mixed to form a foam. The foam forming aerosol product can be safely used, has an excellent storage stability and is capable of readily forming a foam.Type: ApplicationFiled: August 16, 2012Publication date: September 4, 2014Applicant: TOYO AEROSOL INDUSTRY CO., LTD.Inventor: Yasutomo Nakajima