Patents by Inventor Kazumi Jyujyo
Kazumi Jyujyo 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: 9518011Abstract: An object of the present invention is to provide a recording material or a recording sheet using, as a color-developing agent, a non-phenol compound that is a safe compound in no danger of corresponding to an endocrine disruptor and is good in color developing performance. The non-phenol compound used in the present invention is at least one selected from the group consisting of compounds represented by the following formulas (I) to (III).Type: GrantFiled: November 19, 2013Date of Patent: December 13, 2016Assignee: NIPPON SODA CO., LTD.Inventors: Hiroshi Sakai, Tadahiro Kondo, Kayoko Tada, Shuntaro Kinoshita, Kazumi Jyujyo
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Publication number: 20150284321Abstract: An object of the present invention is to provide a recording material or a recording sheet using, as a color-developing agent, a non-phenol compound that is a safe compound in no danger of corresponding to an endocrine disruptor and is good in color developing performance. The non-phenol compound used in the present invention is at least one selected from the group consisting of compounds represented by the following formulas (I) to (III).Type: ApplicationFiled: November 19, 2013Publication date: October 8, 2015Applicant: NIPPON SODA CO., LTD.Inventors: Hiroshi Sakai, Tadahiro Kondo, Kayoko Tada, Shuntaro Kinoshita, Kazumi Jyujyo
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Patent number: 8664157Abstract: An object of the present invention is to provide a recording material or a recording sheet that is excellent not only in whiteness of a background but also in storage property for a background and an image, and further has excellent dynamic sensitivity. In order to achieve the object, a phenol compound represented by Formula (I) [wherein R1 represents a hydroxyl group or a halogen atom, p represents 0 or an integer of 1 to 5, R2 and R3 each independently represent a hydrogen atom or a C1-C6 alkyl group, R4 represents a hydrogen atom, a C1-C6 alkyl group, an optionally substituted phenyl group or an optionally substituted benzyl group; and a bond shown with a wavy line represents E- or Z-form, or a mixture thereof] and having a color space b* of 10 or less, and preferably having brightness by Hunter of 75 or more, is used as a recording material.Type: GrantFiled: August 29, 2011Date of Patent: March 4, 2014Assignee: Nippon Soda Co., Ltd.Inventors: Hiroshi Sakai, Shuntaro Kinoshita, Tadahiro Kondo, Kazumi Jyujyo
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Patent number: 8563468Abstract: Provided is a color-developing composition containing a molecular compound which has as a component compound a compound represented by formula (I) [wherein Y represents a C1-C12 hydrocarbon group which is chained or branched and saturated or unsaturated, or a C1-C8 hydrocarbon group which is chained or branched, saturated or unsaturated and has an ether or thioether bond; R1, R2, R3 and R4 each independently represent a C1-C6 alkyl group or C2-C6 alkenyl group; n, p, q and r each represents any integer of 0 to 4; and m represents any integer of 0 to 2]. Also provided is a recording material with a sufficient color-forming sensitivity, superior storage stability, and especially with an extremely little background fogging in a heat resistance test.Type: GrantFiled: August 3, 2009Date of Patent: October 22, 2013Assignee: Nippon Soda Co., Ltd.Inventors: Satoshi Kodama, Kazumi Jyujyo
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Patent number: 8551911Abstract: An object of the present invention is to provide a recording material or a recording sheet that is excellent in background and image stabilities and further excellent in color-developing sensitivity. The recording material of the present invention contains a color-forming compound, an additive, and at least one compound represented by formula (I) [wherein R1 and R4 each independently represent a C1-C6 alkyl group or the like; p represents 0 or any integer of 1 to 4; q represents 0 or any integer of 1 to 5; when p and q represents 2 or more, each of R1 and each of R4 are the same or different; R2 and R3 each independently represent a hydrogen atom or the like; R5 represents a hydrogen atom or the like; and the bond represented by the wavy line represents E, Z, or a mixture thereof].Type: GrantFiled: September 27, 2010Date of Patent: October 8, 2013Assignee: Nippon Soda Co., Ltd.Inventors: Hiroshi Sakai, Toshio Aihara, Satoshi Kodama, Shuntaro Kinoshita, Kazumi Jyujyo, Tadahiro Kondo
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Patent number: 8546299Abstract: Provided is a recording material with a superior heat resistance and having a low content of a dihydroxydiphenylsulfone derivative, and a color-developing composition for producing the recording material. With the use of this color-developing composition, a recording material with a superior heat resistance at the background part can be provided and the content of a dihydroxydiphenylsulfone derivative, such as 4,4?-dihydroxydiphenylsulfone, in the color-developing composition can be reduced to 2% by mass or less, or further to 1% by mass or less.Type: GrantFiled: June 18, 2009Date of Patent: October 1, 2013Assignee: Nippon Soda Co., Ltd.Inventors: Hiroshi Fujii, Tadashi Kawakami, Satoshi Kodama, Kazumi Jyujyo
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Patent number: 8529688Abstract: Provided is a recording material with a superior storage property for the background and image, particularly with a remarkable superiority in any of light resistance of the background, and light, moisture and heat resistance of the image. The recording material contains a phenolic compound represented by formula (I) [wherein R1-R3 each independently represent a hydrogen atom or C1-C4 alkyl group; R5 represents a hydrogen atom, C1-C4 alkyl group or C1-C4 alkoxy group, with the proviso that when R5 is a hydrogen atom, R4 is a C1-C4 alkyl group, when R5 is a C1-C4 alkyl group, R4 is a hydrogen atom, and when R5 is a C1-C4 alkoxy group, R4 is a C1-C4 alkoxy group].Type: GrantFiled: February 1, 2010Date of Patent: September 10, 2013Assignee: Nippon Soda Co., Ltd.Inventors: Satoshi Kodama, Shinichi Satoh, Toshio Aihara, Tadashi Kawakami, Kazumi Jyujyo
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Publication number: 20130137570Abstract: An object of the present invention is to provide a recording material or a recording sheet that is excellent not only in whiteness of a background but also in storage property for a background and an image, and further has excellent dynamic sensitivity. In order to achieve the object, a phenol compound represented by Formula (I) [wherein R1 represents a hydroxyl group or a halogen atom, p represents 0 or an integer of 1 to 5, R2 and R3 each independently represent a hydrogen atom or a C1-C6 alkyl group, R4 represents a hydrogen atom, a C1-C6 alkyl group, an optionally substituted phenyl group or an optionally substituted benzyl group; and a bond shown with a wavy line represents E- or Z-form, or a mixture thereof] and having a color space b* of 10 or less, and preferably having brightness by Hunter of 75 or more, is used as a recording material.Type: ApplicationFiled: August 29, 2011Publication date: May 30, 2013Applicant: NIPPON SODA CO., LTD.Inventors: Hiroshi Sakai, Shuntaro Kinoshita, Tadahiro Kondo, Kazumi Jyujyo
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Patent number: 8431513Abstract: An object of the present invention is to provide a recording material that is excellent in color-developing properties and background and image stabilities, and a compound used therein. The present invention relates to a compound represented by the formula (I) [wherein R11 to R14 each independently represent a halogen atom or the like; n, p, q, and r each independently represent 0 or any integer of 1 to 4; m represents 0 or any integer of 1 to 2; a represents any integer of 1 to 10; R2 represents a hydrogen atom or the like; R3 represents an OR51 group or the like; and R41 and R42 each independently represent a hydrogen atom or the like], a composition containing the compound, a method for producing the compound, a recording material containing at least one compound represented by the formula (I), and a recording sheet having the recording material.Type: GrantFiled: September 28, 2010Date of Patent: April 30, 2013Assignee: Nippon Soda Co., Ltd.Inventors: Toshio Aihara, Hiroshi Sakai, Shuntaro Kinoshita, Satoshi Kodama, Tadahiro Kondo, Kazumi Jyujyo
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Publication number: 20120204763Abstract: An object of the present invention is to provide a recording material that is excellent in color-developing properties and background and image stabilities, and a compound used therein. The present invention relates to a compound represented by the formula (I) [wherein R11 to R14 each independently represent a halogen atom or the like; n, p, q, and r each independently represent 0 or any integer of 1 to 4; m represents 0 or any integer of 1 to 2; a represents any integer of 1 to 10; R2 represents a hydrogen atom or the like; R3 represents an OR51 group or the like; and R41 and R42 each independently represent a hydrogen atom or the like], a composition containing the compound, a method for producing the compound, a recording material containing at least one compound represented by the formula (I), and a recording sheet having the recording material.Type: ApplicationFiled: September 28, 2010Publication date: August 16, 2012Inventors: Toshio Aihara, Hiroshi Sakai, Shuntaro Kinoshita, Satoshi Kodama, Tadahiro Kondo, Kazumi Jyujyo
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Publication number: 20120186490Abstract: An object of the present invention is to provide a recording material or a recording sheet that is excellent in background and image stabilities and further excellent in color-developing sensitivity. The recording material of the present invention contains a color-forming compound, an additive, and at least one compound represented by formula (I) [wherein R1 and R4 each independently represent a C1-C6 alkyl group or the like; p represents 0 or any integer of 1 to 4; q represents 0 or any integer of 1 to 5; when p and q represents 2 or more, each of R1 and each of R4 are the same or different; R2 and R3 each independently represent a hydrogen atom or the like; R5 represents a hydrogen atom or the like; and the bond represented by the wavy line represents E, Z, or a mixture thereof].Type: ApplicationFiled: September 27, 2010Publication date: July 26, 2012Inventors: Hiroshi Sakai, Toshio Aihara, Satoshi Kodama, Shuntaro Kinoshita, Kazumi Jyujyo, Tadahiro Kondo
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Publication number: 20110308429Abstract: Provided is a recording material with a superior storage property for the background and image, particularly with a remarkable superiority in any of light resistance of the background, and light, moisture and heat resistance of the image. The recording material contains a phenolic compound represented by formula (I) [wherein R1-R3 each independently represent a hydrogen atom or C1-C4 alkyl group; R5 represents a hydrogen atom, C1-C4 alkyl group or C1-C4 alkoxy group, with the proviso that when R5 is a hydrogen atom, R4 is a C1-C4 alkyl group, when R5 is a C1-C4 alkyl group, R4 is a hydrogen atom, and when R5 is a C1-C4 alkoxy group, R4 is a C1-C4 alkoxy group].Type: ApplicationFiled: February 1, 2010Publication date: December 22, 2011Applicant: Nippon Soda Co. Ltd.Inventors: Satoshi Kodama, Shinichi Satoh, Toshio Aihara, Tadashi Kawakami, Kazumi Jyujyo
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Publication number: 20110120345Abstract: Provided is a color-developing composition containing a molecular compound which has as a component compound a compound represented by formula (I) [wherein Y represents a C1-C12 hydrocarbon group which is chained or branched and saturated or unsaturated, or a C1-C8 hydrocarbon group which is chained or branched, saturated or unsaturated and has an ether or thioether bond; R1, R2, R3 and R4 each independently represent a C1-C6 alkyl group or C2-C6 alkenyl group; n, p, q and r each represents any integer of 0 to 4; and m represents any integer of 0 to 2]. Also provided is a recording material with a sufficient color-forming sensitivity, superior storage stability, and especially with an extremely little background fogging in a heat resistance test.Type: ApplicationFiled: August 3, 2009Publication date: May 26, 2011Applicant: NIPPON SODA CO., LTD.Inventors: Satoshi Kodama, Kazumi Jyujyo
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Publication number: 20110104619Abstract: Provided is a recording material with a superior heat resistance and having a low content of a dihydroxydiphenylsulfone derivative, and a color-developing composition for producing the recording material. With the use of this color-developing composition, a recording material with a superior heat resistance at the background part can be provided and the content of a dihydroxydiphenylsulfone derivative, such as 4,4?-dihydroxydiphenylsulfone, in the color-developing composition can be reduced to 2% by mass or less, or further to 1% by mass or less.Type: ApplicationFiled: June 18, 2009Publication date: May 5, 2011Applicant: NIPPON SODA CO., LTD.Inventors: Hiroshi Fujii, Tadashi Kawakami, Satoshi Kodama, Kazumi Jyujyo