Patents by Inventor Yuko Kubota
Yuko Kubota 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: 20230348477Abstract: An electron-injection organic compound with low solubility in water is provided. An organic compound represented by General Formula (G1) is provided. In the organic compound, Ar represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 carbon atoms forming a ring or a substituted or unsubstituted heteroaromatic hydrocarbon group having 2 to 30 carbon atoms forming a ring, each of R1 and R2 independently represents hydrogen (including deuterium), an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group having 6 to 13 carbon atoms forming a ring, or a substituted or unsubstituted heteroaryl group having 2 to 13 carbon atoms forming a ring, n represents an integer greater than or equal to 1 and less than or equal to 6, and L is the group represented by General Formula (L-1).Type: ApplicationFiled: April 24, 2023Publication date: November 2, 2023Inventors: Masatoshi TAKABATAKE, Yui YOSHIYASU, Sachiko KAWAKAMI, Takeyoshi WATABE, Nobuharu OHSAWA, Yuko KUBOTA
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Patent number: 11800734Abstract: A light-emitting apparatus with low power consumption is provided. A light-emitting apparatus including a first light-emitting device and a first color conversion layer. The first light-emitting device includes an anode, a cathode, and an EL layer positioned between the anode and the cathode. The EL layer includes a layer including a material with a refractive index lower than or equal to 1.75 at 467 nm. The first color conversion layer includes a first substance capable of emission by absorbing light. Light emitted from the first light-emitting device enters the first color conversion layer.Type: GrantFiled: October 19, 2022Date of Patent: October 24, 2023Inventors: Shunpei Yamazaki, Takeyoshi Watabe, Tomohiro Kubota, Airi Ueda, Satoshi Seo, Nobuharu Ohsawa, Yuko Kubota
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Publication number: 20230290557Abstract: This common mode choke coil (CC1) comprises: a choke coil including a magnetic core (1) and a covered conductive wire (2a, 2b) wound around the magnetic core (1); a conductor (5) extending along the surface of the magnetic core (1); and a ground conductive wire (6) for grounding the conductor (5). The conductor (5) is disposed at a position in contact with a winding start portion (3a, 3b) of the covered conductive wire (2a, 2b) with respect to the magnetic core (1) and not in contact with or close to a winding end portion (4a, 4b).Type: ApplicationFiled: November 24, 2020Publication date: September 14, 2023Applicant: Mitsubishi Electric CorporationInventors: Kodai KATAGIRI, Yuko KUBOTA, Koichi ARISAWA, Taizo YAMAOKA
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Publication number: 20230109651Abstract: A light-emitting element having low driving voltage and high emission efficiency is provided. In the light-emitting element, a combination of a guest material and a host material forms an exciplex. The guest material is capable of converting triplet excitation energy into light emission. Light emission from the light-emitting layer includes light emission from the guest material and light emission from the exciplex. The percentage of the light emission from the exciplex to the light emission from the light-emitting layer is greater than 0 percent and less than or equal to 60 percent. The energy after subtracting the energy of light emission from the exciplex from the energy of light emission from the guest material is greater than 0 eV and less than or equal to 0.23 eV.Type: ApplicationFiled: September 29, 2022Publication date: April 6, 2023Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Satomi MITSUMORI, Takeyoshi WATABE, Satoshi SEO, Yuko KUBOTA
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Publication number: 20230095876Abstract: A light-emitting apparatus with low power consumption is provided. A light-emitting apparatus including a first light-emitting device and a first color conversion layer. The first light-emitting device includes an anode, a cathode, and an EL layer positioned between the anode and the cathode. The EL layer includes a layer including a material with a refractive index lower than or equal to 1.75 at 467 nm. The first color conversion layer includes a first substance capable of emission by absorbing light. Light emitted from the first light-emitting device enters the first color conversion layer.Type: ApplicationFiled: October 19, 2022Publication date: March 30, 2023Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Takeyoshi WATABE, Tomohiro KUBOTA, Airi UEDA, Satoshi SEO, Nobuharu OHSAWA, Yuko KUBOTA
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Patent number: 11482687Abstract: A light-emitting apparatus with low power consumption is provided. A light-emitting apparatus including a first light-emitting device and a first color conversion layer. The first light-emitting device includes an anode, a cathode, and an EL layer positioned between the anode and the cathode. The EL layer includes a layer including a material with a refractive index lower than or equal to 1.75 at 467 nm. The first color conversion layer includes a first substance capable of emission by absorbing light. Light emitted from the first light-emitting device enters the first color conversion layer.Type: GrantFiled: November 6, 2020Date of Patent: October 25, 2022Inventors: Shunpei Yamazaki, Takeyoshi Watabe, Tomohiro Kubota, Airi Ueda, Satoshi Seo, Nobuharu Ohsawa, Yuko Kubota
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Patent number: 11462702Abstract: A light-emitting element having low driving voltage and high emission efficiency is provided. In the light-emitting element, a combination of a guest material and a host material forms an exciplex. The guest material is capable of converting triplet excitation energy into light emission. Light emission from the light-emitting layer includes light emission from the guest material and light emission from the exciplex. The percentage of the light emission from the exciplex to the light emission from the light-emitting layer is greater than 0 percent and less than or equal to 60 percent. The energy after subtracting the energy of light emission from the exciplex from the energy of light emission from the guest material is greater than 0 eV and less than or equal to 0.23 eV.Type: GrantFiled: January 29, 2021Date of Patent: October 4, 2022Inventors: Satomi Mitsumori, Takeyoshi Watabe, Satoshi Seo, Yuko Kubota
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Publication number: 20220242834Abstract: An electron-transport layer material with a low refractive index is provided. An organic compound represented by General Formula (G1) is provided. In General Formula (G1), one to three of Q1 to Q3 represent N and when one or two of Q1 to Q3 represent N, the remaining two or one of Q1 to Q3 represent CH. Furthermore, R0 represents any of hydrogen, an alkyl group having 1 to 6 carbon atoms, an alicyclic group having 3 to 10 carbon atoms, and a group represented by Formula (G1-1). At least one of R1 to R15 represents a substituted or unsubstituted group including any one of a pyrimidinyl group, a pyrazinyl group, and a triazinyl group, and the others each independently represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, an alicyclic group having 3 to 10 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group having 6 to 14 carbon atoms forming a ring, and a substituted or unsubstituted pyridinyl group.Type: ApplicationFiled: January 19, 2022Publication date: August 4, 2022Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Keito Tosu, Yuta Kawano, Airi Ueda, Takeyoshi Watabe, Nobuharu Ohsawa, Stoshi Seo, Harue Osaka, Yuko Kubota
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Publication number: 20210159440Abstract: A light-emitting element having low driving voltage and high emission efficiency is provided. In the light-emitting element, a combination of a guest material and a host material forms an exciplex. The guest material is capable of converting triplet excitation energy into light emission. Light emission from the light-emitting layer includes light emission from the guest material and light emission from the exciplex. The percentage of the light emission from the exciplex to the light emission from the light-emitting layer is greater than 0 percent and less than or equal to 60 percent. The energy after subtracting the energy of light emission from the exciplex from the energy of light emission from the guest material is greater than 0 eV and less than or equal to 0.23 eV.Type: ApplicationFiled: January 29, 2021Publication date: May 27, 2021Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Satomi MITSUMORI, Takeyoshi WATABE, Satoshi SEO, Yuko KUBOTA
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Publication number: 20210143352Abstract: A light-emitting apparatus with low power consumption is provided. A light-emitting apparatus including a first light-emitting device and a first color conversion layer. The first light-emitting device includes an anode, a cathode, and an EL layer positioned between the anode and the cathode. The EL layer includes a layer including a material with a refractive index lower than or equal to 1.75 at 467 nm. The first color conversion layer includes a first substance capable of emission by absorbing light. Light emitted from the first light-emitting device enters the first color conversion layer.Type: ApplicationFiled: November 6, 2020Publication date: May 13, 2021Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Takeyoshi WATABE, Tomohiro KUBOTA, Airi UEDA, Satoshi SEO, Nobuharu OHSAWA, Yuko KUBOTA
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Patent number: 10910576Abstract: A light-emitting element having low driving voltage and high emission efficiency is provided. In the light-emitting element, a combination of a guest material and a host material forms an exciplex. The guest material is capable of converting triplet excitation energy into light emission. Light emission from the light-emitting layer includes light emission from the guest material and light emission from the exciplex. The percentage of the light emission from the exciplex to the light emission from the light-emitting layer is greater than 0 percent and less than or equal to 60 percent. The energy after subtracting the energy of light emission from the exciplex from the energy of light emission from the guest material is greater than 0 eV and less than or equal to 0.23 eV.Type: GrantFiled: May 15, 2020Date of Patent: February 2, 2021Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Satomi Mitsumori, Takeyoshi Watabe, Satoshi Seo, Yuko Kubota
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Publication number: 20210005814Abstract: A material for a hole-transport layer includes a monoamine compound. The first aromatic group, the second aromatic group, and the third aromatic group are bonded to the nitrogen atom of the monoamine compound. The first and second aromatic groups each independently include 1 to 3 benzene rings. One or both of the first and second aromatic groups have one or more hydrocarbon groups each having 1 to 12 carbon atoms each forming a bond only by the sp3 hybrid orbitals. The total number of the carbon atoms in the hydrocarbon group in the first or second aromatic group is 6 or more. The total number of the carbon atoms in all of the hydrocarbon groups in the first and second aromatic groups is 8 or more. The third aromatic group is a substituted or unsubstituted monocyclic condensed ring or a substituted or unsubstituted bicyclic or tricyclic condensed ring.Type: ApplicationFiled: July 2, 2020Publication date: January 7, 2021Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Takeyoshi WATABE, Tomohiro KUBOTA, Airi UEDA, Satoshi SEO, Nobuharu OHSAWA, Yuko KUBOTA
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Publication number: 20200280012Abstract: A light-emitting element having low driving voltage and high emission efficiency is provided. In the light-emitting element, a combination of a guest material and a host material forms an exciplex. The guest material is capable of converting triplet excitation energy into light emission. Light emission from the light-emitting layer includes light emission from the guest material and light emission from the exciplex. The percentage of the light emission from the exciplex to the light emission from the light-emitting layer is greater than 0 percent and less than or equal to 60 percent. The energy after subtracting the energy of light emission from the exciplex from the energy of light emission from the guest material is greater than 0 eV and less than or equal to 0.23 eV.Type: ApplicationFiled: May 15, 2020Publication date: September 3, 2020Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Satomi Mitsumori, Takeyoshi Watabe, Satoshi Seo, Yuko Kubota
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Patent number: 10658604Abstract: A light-emitting element having low driving voltage and high emission efficiency is provided. In the light-emitting element, a combination of a guest material and a host material forms an exciplex. The guest material is capable of converting triplet excitation energy into light emission. Light emission from the light-emitting layer includes light emission from the guest material and light emission from the exciplex. The percentage of the light emission from the exciplex to the light emission from the light-emitting layer is greater than 0 percent and less than or equal to 60 percent. The energy after subtracting the energy of light emission from the exciplex from the energy of light emission from the guest material is greater than 0 eV and less than or equal to 0.23 eV.Type: GrantFiled: July 22, 2019Date of Patent: May 19, 2020Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Satomi Mitsumori, Takeyoshi Watabe, Satoshi Seo, Yuko Kubota
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Patent number: 10519106Abstract: A compound has inhibitory activity on Discoidin Domain Receptor 1. The compound includes a urea derivative represented by the formula below or a pharmaceutically acceptable salt thereof.Type: GrantFiled: August 31, 2016Date of Patent: December 31, 2019Assignee: Toray Industries, Inc.Inventors: Yukihiro Nishio, Masashi Yamamoto, Yuko Kubota, Hideyuki Tsutsui, Tomohide Masuda, Keiichi Okimura, Syuji Udagawa, Mie Kaino, Hiroyuki Meguro, Yumiko Sekiya
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Publication number: 20190348625Abstract: A light-emitting element having low driving voltage and high emission efficiency is provided. In the light-emitting element, a combination of a guest material and a host material forms an exciplex. The guest material is capable of converting triplet excitation energy into light emission. Light emission from the light-emitting layer includes light emission from the guest material and light emission from the exciplex. The percentage of the light emission from the exciplex to the light emission from the light-emitting layer is greater than 0 percent and less than or equal to 60 percent. The energy after subtracting the energy of light emission from the exciplex from the energy of light emission from the guest material is greater than 0 eV and less than or equal to 0.23 eV.Type: ApplicationFiled: July 22, 2019Publication date: November 14, 2019Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Satomi Mitsumori, Takeyoshi WATABE, Satoshi SEO, Yuko KUBOTA
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Patent number: 10361388Abstract: A light-emitting element having low driving voltage and high emission efficiency is provided. In the light-emitting element, a combination of a guest material and a host material forms an exciplex. The guest material is capable of converting triplet excitation energy into light emission. Light emission from the light-emitting layer includes light emission from the guest material and light emission from the exciplex. The percentage of the light emission from the exciplex to the light emission from the light-emitting layer is greater than 0 percent and less than or equal to 60 percent. The energy after subtracting the energy of light emission from the exciplex from the energy of light emission from the guest material is greater than 0 eV and less than or equal to 0.23 eV.Type: GrantFiled: May 18, 2017Date of Patent: July 23, 2019Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Satomi Mitsumori, Takeyoshi Watabe, Satoshi Seo, Yuko Kubota
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Patent number: 10305044Abstract: A novel heterocyclic compound is provided. A highly efficient and reliable light-emitting element is provided. The heterocyclic compound is represented by a general formula (G1). In the general formula (G1), any one, two, or three of Y1 to Y4 in a ring A represent N atoms, and the rest of Y1 to Y4 represents CH. In the case where any two or three of the Y1 to Y4 are N atoms, the N atoms are not next to each other. Further, Ar1 represents a substituted or unsubstituted biphenyldiyl group, Ar2 represents a substituted or unsubstituted biphenyldiyl group, Cz1 represents a substituted or unsubstituted heterocyclic group including a carbazole skeleton, Cz2 represents a substituted or unsubstituted heterocyclic group including a carbazole skeleton, the carbazole skeleton included in the Cz1 is directly bonded to the Ar1, and the carbazole skeleton included in the Cz2 is directly bonded to the Ar2.Type: GrantFiled: April 13, 2016Date of Patent: May 28, 2019Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Satoshi Seo, Yuko Kubota, Tatsuyoshi Takahashi, Satomi Mitsumori
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Patent number: 10280145Abstract: A compound has inhibitory activity on Discoidin Domain Receptor 1. A urea derivative is represented by the formula (I) or a pharmaceutically acceptable salt thereof: wherein, R1 is trifluoromethyl, trifluoromethoxy, or pentafluorosulfanyl; each R2 is independently a hydrogen atom or methyl which is optionally substituted by one hydroxyl or one saturated heterocyclyl having four to six ring-forming atoms; R3 is a hydrogen atom, halogen atom, C1-C3 alkyl, saturated heterocyclyl having four to six ring-forming atoms and optionally having an oxo group, or R5O—; and R4 is phenyl, pyridyl, pyridazinyl, or pyrimidinyl, which phenyl, pyridyl, pyridazinyl, or pyrimidinyl is optionally substituted by one R6.Type: GrantFiled: August 31, 2016Date of Patent: May 7, 2019Assignee: Toray Industries, Inc.Inventors: Yukihiro Nishio, Yuko Kubota, Masashi Yamamoto, Yutaka Nishimura, Tomohide Masuda, Hideyuki Tsutsui, Keiichi Okimura, Syuji Udagawa, Mie Kaino, Hiroyuki Meguro, Yumiko Sekiya
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Publication number: 20190010117Abstract: A compound has inhibitory activity on Discoidin Domain Receptor 1. The compound includes a urea derivative represented by the formula below or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: August 31, 2016Publication date: January 10, 2019Inventors: Yukihiro Nishio, Masashi Yamamoto, Yuko Kubota, Hideyuki Tsutsui, Tomohide Masuda, Keiichi Okimura, Syuji Udagawa, Mie Kaino, Hiroyuki Meguro, Yumiko Sekiya