Patents by Inventor Kouitsu SASAKI
Kouitsu SASAKI 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: 11821896Abstract: An object of the present invention is to provide a kit and a method which are capable of measuring a measurement target substance in a biological sample with high precision in a measurement range from a low concentration range to a high concentration range. According to the present invention, there is provided a kit for measuring a measurement target substance in a biological sample, including a labeled particle having a first binding substance capable of binding to a measurement target substance in a biological sample, and a substrate having a second binding substance capable of binding to any one of the measurement target substance or the first binding substance, in which the labeled particle is a luminescent labeled particle containing at least one kind of compound represented by Formula (1) and a particle. Each symbol in Formula (1) has the meaning described in the present specification.Type: GrantFiled: September 27, 2019Date of Patent: November 21, 2023Assignee: FUJIFILM CorporationInventors: Hiroyuki Chiku, Kousuke Watanabe, Kazuhei Kaneko, Kazuhiro Hamada, Kouitsu Sasaki, Tomoaki Yoshioka, Naoyuki Hanaki
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Patent number: 11733244Abstract: An object of the present invention is to provide a kit, a method, and a reagent which prevent the problem of false positive due to nonspecific adsorption, suppress the increase in noise to be generated, and are capable of achieving high-precision measurement of a measurement target substance in a wide concentration range from a low concentration to a high concentration.Type: GrantFiled: September 27, 2019Date of Patent: August 22, 2023Assignee: FUJIFILM CorporationInventors: Hiroyuki Chiku, Kousuke Watanabe, Kazuhei Kaneko, Kazuhiro Hamada, Kouitsu Sasaki, Tomoaki Yoshioka, Naoyuki Hanaki
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Patent number: 11674966Abstract: An object of the present invention is to provide a kit and a method which are capable of measuring a measurement target substance in a biological sample with high precision in a measurement range from a low concentration range to a high concentration range. According to the present invention, there is provided a kit for measuring a measurement target substance in a biological sample, including a labeled particle having a first binding substance capable of binding to a measurement target substance in a biological sample, and a substrate having a second binding substance capable of binding to any one of the measurement target substance or the first binding substance, in which the labeled particle is a luminescent labeled particle containing at least one kind of compound represented by Formula (1) and a particle. Each symbol in Formula (1) has the meaning described in the present specification.Type: GrantFiled: September 26, 2019Date of Patent: June 13, 2023Assignee: FUJIFILM CorporationInventors: Hiroyuki Chiku, Tomoaki Yoshioka, Kousuke Watanabe, Kazuhiro Hamada, Kouitsu Sasaki
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Patent number: 11674954Abstract: An object of the present invention is to provide a kit and a method capable of achieving high-precision measurement of a measurement target substance in a biological sample in a wide concentration range from a low concentration to a high concentration. According to the present invention, there is provided a kit for measuring a measurement target substance in a biological sample, the kit including: a labeled particle having a first binding substance capable of binding to the measurement target substance in a biological sample and having a first blocking agent; and a substrate having a second binding substance capable of binding to any one of the measurement target substance or the first binding substance and having a second blocking agent, in which the labeled particle is a luminescent labeled particle containing at least one kind of compound represented by Formula (1) and a particle, and the first blocking agent and the second blocking agent are different from each other.Type: GrantFiled: September 27, 2019Date of Patent: June 13, 2023Assignee: FUJIFILM CorporationInventors: Hiroyuki Chiku, Kousuke Watanabe, Kazuhei Kaneko, Kazuhiro Hamada, Kouitsu Sasaki, Tomoaki Yoshioka, Naoyuki Hanaki
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Patent number: 11519860Abstract: An object of the present invention is to provide a kit, a method, and a reagent which prevent the problem of false positive due to nonspecific adsorption, suppress the increase in noise to be generated, and are capable of achieving high-precision measurement of a measurement target substance in a wide concentration range from a low concentration to a high concentration.Type: GrantFiled: September 27, 2019Date of Patent: December 6, 2022Assignee: FUJIFILM CorporationInventors: Hiroyuki Chiku, Tomoaki Yoshioka, Kousuke Watanabe, Kazuhiro Hamada, Kouitsu Sasaki
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Patent number: 11486879Abstract: An object of the present invention is to provide a kit and a method capable of achieving high-precision measurement of a measurement target substance in a biological sample in a wide concentration range from a low concentration to a high concentration by sufficiently avoiding the influence of antibodies such as anti-serum albumin antibody present in blood.Type: GrantFiled: September 26, 2019Date of Patent: November 1, 2022Assignee: FUJIFILM CorporationInventors: Hiroyuki Chiku, Tomoaki Yoshioka, Kousuke Watanabe, Kazuhiro Hamada, Kouitsu Sasaki
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Publication number: 20210380881Abstract: An object of the present invention is to provide a luminescent particle having an emission maximum wavelength in a long wavelength range of 680 nm or longer and exhibiting a high quantum yield; and a compound having an emission maximum wavelength in a long wavelength range of 680 nm or longer and exhibiting a high quantum yield in the particles. According to the present invention, provided is a luminescent particle containing at least one kind of compound represented by Formula (1) (definitions of substituents in the formula are as set forth in the description) and a particle.Type: ApplicationFiled: August 19, 2021Publication date: December 9, 2021Applicant: FUJIFILM CorporationInventors: Kousuke WATANABE, Naoyuki HANAKI, Kouitsu SASAKI, Tomoaki YOSHIOKA, Kazuhei KANEKO, Yoshinori KANAZAWA
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Patent number: 11186769Abstract: An object of the present invention is to provide a wavelength conversion luminescent resin composition that exhibits a high quantum yield, a wavelength conversion member, and a light-emitting element; as well as a method for producing the wavelength conversion luminescent resin composition that exhibits a high quantum yield. The present invention provides a wavelength conversion luminescent resin composition that contains at least one compound represented by Formula (1) and a resin. The substituents in the formula are as defined in the present specification.Type: GrantFiled: June 17, 2019Date of Patent: November 30, 2021Assignee: FUJIFILM CorporationInventors: Yoshinori Kanazawa, Kousuke Watanabe, Kouitsu Sasaki, Kazuhei Kaneko
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KIT FOR MEASURING MEASUREMENT TARGET SUBSTANCE AND METHOD FOR MEASURING MEASUREMENT TARGET SUBSTANCE
Publication number: 20210364524Abstract: An object of the present invention is to provide a kit for measuring a measurement target substance and a method for measuring a measurement target substance, which can exhibit a high noise suppression effect. According to the present invention, there is provide a kit for measuring a measurement target substance in a biological sample, which includes a luminescently labeled particle that has a first binding substance having a binding property to a measurement target substance, a substrate that has a detection area on a metal film having a second binding substance having a binding property to any one of the measurement target substance or the first binding substance, and a non-luminescent high molecular particle containing a predetermined structural unit.Type: ApplicationFiled: August 4, 2021Publication date: November 25, 2021Applicant: FUJIFILM CorporationInventors: Yoshinori KANAZAWA, Kazuhei KANEKO, Kouitsu SASAKI -
Patent number: 11136500Abstract: An object of the present invention is to provide a luminescent particle having an emission maximum wavelength in a long wavelength range of 680 nm or longer and exhibiting a high quantum yield; and a compound having an emission maximum wavelength in a long wavelength range of 680 nm or longer and exhibiting a high quantum yield in the particles. According to the present invention, provided is a luminescent particle containing at least one kind of compound represented by Formula (1) (definitions of substituents in the formula are as set forth in the description) and a particle.Type: GrantFiled: February 22, 2019Date of Patent: October 5, 2021Assignee: FUJIFILM CorporationInventors: Kousuke Watanabe, Naoyuki Hanaki, Kouitsu Sasaki, Tomoaki Yoshioka, Kazuhei Kaneko, Yoshinori Kanazawa
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Patent number: 11094474Abstract: A photoelectric conversion element includes a conductive support, a photoconductor layer including an electrolyte, a charge transfer layer including an electrolyte, and a counter electrode, in which the photoconductor layer has semiconductor fine particles carrying a metal complex dye represented by a specific formula.Type: GrantFiled: June 12, 2019Date of Patent: August 17, 2021Assignee: FUJIFILM CorporationInventors: Kazuhiro Hamada, Kouitsu Sasaki, Kousuke Watanabe
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Publication number: 20200378962Abstract: An object of the present invention is to provide a kit, a method, and a reagent which prevent the problem of false positive due to nonspecific adsorption, suppress the increase in noise to be generated, and are capable of achieving high-precision measurement of progesterone in a wide concentration range from a low concentration to a high concentration, in the measurement of progesterone in a biological sample.Type: ApplicationFiled: August 21, 2020Publication date: December 3, 2020Applicant: FUJIFILM CorporationInventors: Hiroyuki CHIKU, Takeru SHIGEMURA, Kousuke WATANABE, Yoshinori KANAZAWA, Kouitsu SASAKI, Kazuhei KANEKO
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Publication number: 20200096445Abstract: An object of the present invention is to provide a kit, a method, and a reagent which prevent the problem of false positive due to nonspecific adsorption, suppress the increase in noise to be generated, and are capable of achieving high-precision measurement of a measurement target substance in a wide concentration range from a low concentration to a high concentration.Type: ApplicationFiled: September 27, 2019Publication date: March 26, 2020Applicant: FUJIFILM CorporationInventors: Hiroyuki CHIKU, Tomoaki YOSHIOKA, Kousuke WATANABE, Kazuhiro HAMADA, Kouitsu SASAKI
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Publication number: 20200033334Abstract: An object of the present invention is to provide a kit and a method capable of achieving high-precision measurement of a measurement target substance in a biological sample in a wide concentration range from a low concentration to a high concentration. According to the present invention, there is provided a kit for measuring a measurement target substance in a biological sample, the kit including: a labeled particle having a first binding substance capable of binding to the measurement target substance in a biological sample and having a first blocking agent; and a substrate having a second binding substance capable of binding to any one of the measurement target substance or the first binding substance and having a second blocking agent, in which the labeled particle is a luminescent labeled particle containing at least one kind of compound represented by Formula (1) and a particle, and the first blocking agent and the second blocking agent are different from each other.Type: ApplicationFiled: September 27, 2019Publication date: January 30, 2020Applicant: FUJIFILM CorporationInventors: Hiroyuki CHIKU, Kousuke WATANABE, Kazuhei KANEKO, Kazuhiro HAMADA, Kouitsu SASAKI, Tomoaki YOSHIOKA, Naoyuki HANAKI
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Publication number: 20200025770Abstract: An object of the present invention is to provide a kit and a method capable of achieving high-precision measurement of a measurement target substance in a biological sample in a wide concentration range from a low concentration to a high concentration by sufficiently avoiding the influence of antibodies such as anti-serum albumin antibody present in blood.Type: ApplicationFiled: September 26, 2019Publication date: January 23, 2020Applicant: FUJIFILM CorporationInventors: Hiroyuki CHIKU, Tomoaki YOSHIOKA, Kousuke WATANABE, Kazuhiro HAMADA, Kouitsu SASAKI
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Publication number: 20200025748Abstract: An object of the present invention is to provide a kit and a method which are capable of measuring a measurement target substance in a biological sample with high precision in a measurement range from a low concentration range to a high concentration range. According to the present invention, there is provided a kit for measuring a measurement target substance in a biological sample, including a labeled particle having a first binding substance capable of binding to a measurement target substance in a biological sample, and a substrate having a second binding substance capable of binding to any one of the measurement target substance or the first binding substance, in which the labeled particle is a luminescent labeled particle containing at least one kind of compound represented by Formula (1) and a particle. Each symbol in Formula (1) has the meaning described in the present specification.Type: ApplicationFiled: September 27, 2019Publication date: January 23, 2020Applicant: FUJIFILM CorporationInventors: Hiroyuki Chiku, Kousuke Watanabe, Kazuhei Kaneko, Kazuhiro Hamada, Kouitsu Sasaki, Tomoaki Yoshioka, Naoyuki Hanaki
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Publication number: 20200025771Abstract: An object of the present invention is to provide a kit, a method, and a reagent which prevent the problem of false positive due to nonspecific adsorption, suppress the increase in noise to be generated, and are capable of achieving high-precision measurement of a measurement target substance in a wide concentration range from a low concentration to a high concentration.Type: ApplicationFiled: September 27, 2019Publication date: January 23, 2020Applicant: FUJIFILM CorporationInventors: Hiroyuki CHIKU, Kousuke WATANABE, Kazuhei KANEKO, Kazuhiro HAMADA, Kouitsu SASAKI, Tomoaki YOSHIOKA, Naoyuki HANAKI
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Publication number: 20200018765Abstract: An object of the present invention is to provide a kit and a method which are capable of measuring a measurement target substance in a biological sample with high precision in a measurement range from a low concentration range to a high concentration range. According to the present invention, there is provided a kit for measuring a measurement target substance in a biological sample, including a labeled particle having a first binding substance capable of binding to a measurement target substance in a biological sample, and a substrate having a second binding substance capable of binding to any one of the measurement target substance or the first binding substance, in which the labeled particle is a luminescent labeled particle containing at least one kind of compound represented by Formula (1) and a particle. Each symbol in Formula (1) has the meaning described in the present specification.Type: ApplicationFiled: September 26, 2019Publication date: January 16, 2020Applicant: FUJIFILM CorporationInventors: Hiroyuki Chiku, Tomoaki Yoshioka, Kousuke Watanabe, Kazuhiro Hamada, Kouitsu Sasaki
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Patent number: 10460879Abstract: A photoelectric conversion element, having a photoconductor layer containing semiconductor fine particles carrying a metal complex dye of Formula (I); a metal complex dye, a dye solution, a dye-adsorbed electrode, a dye-sensitized solar cell, and a method for producing the solar cell: M(LA)(LD)(LX)mX·(CI)mY??Formula (I) M represents a metal ion, LA represents a ligand of Formula (AL), LD represents a bidentate or tridentate ligand, at least one of coordinating atoms being an anion; LX represents a monodentate ligand; CI represents a counter ion; mX is 0 or 1; mY is 0 to 3; Rings A to C represent a heterocycle; Z1 and Z2 represent a carbon or nitrogen atom; Anc1 to Anc3 represent an acidic group; X1 to X3 represent a single bond or linking group; R1 to R3 represent a substituent; l1, l3, l2, m1, m3, m2, n1, n2, and n3 each are an integer.Type: GrantFiled: May 15, 2015Date of Patent: October 29, 2019Assignee: FUJIFILM CorporationInventors: Kousuke Watanabe, Yukio Tani, Kouitsu Sasaki, Hirotaka Satou, Kazuhiro Tsuna, Katsumi Kobayashi
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Publication number: 20190300782Abstract: An object of the present invention is to provide a wavelength conversion luminescent resin composition that exhibits a high quantum yield, a wavelength conversion member, and a light-emitting element; as well as a method for producing the wavelength conversion luminescent resin composition that exhibits a high quantum yield. The present invention provides a wavelength conversion luminescent resin composition that contains at least one compound represented by Formula (1) and a resin. The substituents in the formula are as defined in the present specification.Type: ApplicationFiled: June 17, 2019Publication date: October 3, 2019Applicant: FUJIFILM CorporationInventors: Yoshinori KANAZAWA, Kousuke Watanabe, Kouitsu Sasaki, Kazuhei Kaneko