Patents by Inventor Akira Nagasaka
Akira Nagasaka 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: 20250036680Abstract: There is provided a content providing system in which a script that is generated by a creator and includes identification information of content and comment information is stored in a predetermined storage medium to be browsable by a user, the content providing system including a control unit that performs control to execute reading, according to a script selected by the user, content indicated by content identification information included in the script by using a right that the user has already obtained by a contract with a specific service, and provide the content to the user, and control to read a comment according to the comment information included in the script and provide the comment to the user at least one of before or after the provision of the content, in which the control unit controls the provision of the content or the comment according to a context of the user.Type: ApplicationFiled: October 17, 2024Publication date: January 30, 2025Applicant: Sony Group CorporationInventors: Akira TANGE, Hideo NAGASAKA
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Publication number: 20250017109Abstract: A fluorescent light-emitting device using a host material that is less likely to form an oxygen adduct and having a high emission efficiency is provided. In addition, a highly reliable electronic device or light-emitting device is provided. A light-emitting device including at least a light-emitting layer between an anode and a cathode is provided. The light-emitting layer includes a first organic compound that is a light-emitting substance emitting fluorescent light and a second organic compound having a fluoranthene skeleton.Type: ApplicationFiled: November 16, 2022Publication date: January 9, 2025Inventors: Akira NAGASAKA, Yuji IWAKI, Sachiko KAWAKAMI, Tsunenori SUZUKI, Tatsuyoshi TAKAHASHI, Takuya HARUYAMA, Satoshi SEO
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Publication number: 20250002500Abstract: A benzofuropyrimidine derivative or benzothienopyrimidine derivative that is a novel organic compound is provided. An organic compound represented by General Formula (G1) below. Q represents oxygen or sulfur. Ar1, Ar2, Ar3, and Ar4 each independently represent an aromatic hydrocarbon ring, and the number of carbon atoms included in the aromatic hydrocarbon ring is 6 to 25. m and n are each 0 or 1. A is a group having 12 to 100 carbon atoms in total and includes one or more of a benzene ring, a naphthalene ring, a fluorene ring, a phenanthrene ring, a triphenylene ring, a heteroaromatic ring including a dibenzothiophene ring, a heteroaromatic ring including a dibenzofuran ring, a heteroaromatic ring including a carbazole ring, a benzimidazole ring, and a triphenylamine structure.Type: ApplicationFiled: September 10, 2024Publication date: January 2, 2025Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Satoshi SEO, Satomi Watabe, Hideko Yoshizumi, Hiromitsu Kido, Toshiki Sasaki, Akira Nagasaka, Yuta Kawano
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Publication number: 20240349603Abstract: A light-emitting device with high efficiency and high reliability. The light-emitting device includes an organic compound layer between a first electrode and a second electrode. The organic compound layer includes a first light-emitting unit, a second light-emitting unit, and an intermediate layer. The intermediate layer is positioned between the first light-emitting unit and the second light-emitting unit. The intermediate layer includes an organic compound. A peak current of electron oxidation is detected and a peak current of electron reduction is not detected in the case where the organic compound is measured by CV at a scan rate greater than or equal to 1 V/s and less than or equal to 100 V/s.Type: ApplicationFiled: April 4, 2024Publication date: October 17, 2024Inventors: Eriko AOYAMA, Hayato YAMAWAKI, Hiromi SEO, Toshiki SASAKI, Akira NAGASAKA, Nobuharu OHSAWA, Sachiko KAWAKAMI, Harue OSAKA
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Patent number: 12091416Abstract: A benzofuropyrimidine derivative or benzothienopyrimidine derivative that is a novel organic compound is provided. An organic compound represented by General Formula (G1) below. Q represents oxygen or sulfur. Ar1, Ar2, Ar3, and Ar4 each independently represent an aromatic hydrocarbon ring, and the number of carbon atoms included in the aromatic hydrocarbon ring is 6 to 25. m and n are each 0 or 1. A is a group having 12 to 100 carbon atoms in total and includes one or more of a benzene ring, a naphthalene ring, a fluorene ring, a phenanthrene ring, a triphenylene ring, a heteroaromatic ring including a dibenzothiophene ring, a heteroaromatic ring including a dibenzofuran ring, a heteroaromatic ring including a carbazole ring, a benzimidazole ring, and a triphenylamine structure.Type: GrantFiled: May 21, 2019Date of Patent: September 17, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Satoshi Seo, Satomi Watabe, Hideko Yoshizumi, Hiromitsu Kido, Toshiki Sasaki, Akira Nagasaka, Yuta Kawano
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Publication number: 20240130229Abstract: A novel high molecular compound is provided. The high molecular compound includes a repeating unit. The repeating unit has a fluorenediyl group, a hole-transport skeleton, and an electron-transport skeleton. The hole-transport skeleton is bonded to the fluorenediyl group through a substituted or unsubstituted first arylene group. The electron-transport skeleton is bonded to the fluorenediyl group through a substituted or unsubstituted second arylene group. In an excited state, intramolecular charge transfer occurs between the hole-transport skeleton and the electron-transport skeleton.Type: ApplicationFiled: September 18, 2023Publication date: April 18, 2024Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Ryo Narukawa, Akira Nagasaka, Kunihiko Suzuki, Hideko Yoshizumi
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Publication number: 20240081090Abstract: The reliability of a light-emitting device is improved. Provided is a light-emitting device including a light-emitting layer between a first electrode and a second electrode. The light-emitting layer contains a light-emitting substance and a first organic compound. A difference between a sum of energy of the first organic compound in a ground state and energy of an oxygen molecule in a ground state and energy of a transition state formed by the first organic compound and the oxygen molecule is greater than or equal to 1.84 eV. A difference between the energy of the transition state formed by the first organic compound and the oxygen molecule and energy of an oxygen adduct of the first organic compound in a ground state is less than or equal to 0.87 eV.Type: ApplicationFiled: August 3, 2023Publication date: March 7, 2024Inventors: Akira NAGASAKA, Kunihiko SUZUKI, Ryo NARUKAWA
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Publication number: 20230143281Abstract: A composition for a light-emitting device is provided. The composition is formed by mixing a first organic compound having a benzofuropyrimidine skeleton, and a second organic compound represented by General Formula (Q1): R1 to R14 each independently represent hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted monocyclic saturated hydrocarbon having 5 to 7 carbon atoms in a ring, a substituted or unsubstituted polycyclic saturated hydrocarbon having 7 to 10 carbon atoms in a ring, a substituted or unsubstituted aryl group having 6 to 13 carbon atoms in a ring, or a substituted or unsubstituted heteroaryl group having 3 to 20 carbon atoms in a ring. Furthermore, ?1 and ?2 each represent any of an unsubstituted ?-naphthyl group, an unsubstituted biphenyl group, and an unsubstituted terphenyl group, and at least one of ?1 and ?2 is an unsubstituted ?-naphthyl group.Type: ApplicationFiled: March 15, 2021Publication date: May 11, 2023Inventors: Yui YOSHIYASU, Akira NAGASAKA, Hideko YOSHIZUMI, Toshiki SASAKI, Satoshi SEO
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Publication number: 20210363151Abstract: A benzofuropyrimidine derivative or benzothienopyrimidine derivative that is a novel organic compound is provided. An organic compound represented by General Formula (G1) below. Q represents oxygen or sulfur. Ar1, Ar2, Ar3, and Ar4 each independently represent an aromatic hydrocarbon ring, and the number of carbon atoms included in the aromatic hydrocarbon ring is 6 to 25. m and n are each 0 or 1. A is a group having 12 to 100 carbon atoms in total and includes one or more of a benzene ring, a naphthalene ring, a fluorene ring, a phenanthrene ring, a triphenylene ring, a heteroaromatic ring including a dibenzothiophene ring, a heteroaromatic ring including a dibenzofuran ring, a heteroaromatic ring including a carbazole ring, a benzimidazole ring, and a triphenylamine structure.Type: ApplicationFiled: May 21, 2019Publication date: November 25, 2021Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Satoshi SEO, Satomi WATABE, Hideko YOSHIZUMI, Hiromitsu KIDO, Toshiki SASAKI, Akira NAGASAKA, Yuta KAWANO
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Patent number: 8412422Abstract: A vehicle control apparatus including a brake mechanism that produces braking force through actuation of a first actuator, a shift mechanism that changes the shift position of a transmission through actuation of a second actuator, a controller that controls the electric power supplied to the first actuator and the electric power supplied to the second actuator; a first electric power supply unit that supplies electric power to the controller; a second electric power supply unit that supplies electric power to the first actuator; and a third electric power supply unit that supplies electric power to the second actuator. An actuator control unit controls the electric power supplied to the second actuator from the second electric power supply unit or from the third electric power supply unit when the second actuator is not able to operate using electric power supplied from the first electric power supply unit.Type: GrantFiled: May 3, 2012Date of Patent: April 2, 2013Assignee: Toyota Jidosha Kabushiki KaishaInventors: Atsushi Kamada, Yasushi Hanaki, Naoki Taki, Akira Nagasaka, Yoshinobu Nozaki, Akira Nagae
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Publication number: 20120253615Abstract: A vehicle control apparatus including a brake mechanism that produces braking force through actuation of a first actuator, a shift mechanism that changes the shift position of a transmission through actuation of a second actuator, a controller that controls the electric power supplied to the first actuator and the electric power supplied to the second actuator; a first electric power supply unit that supplies electric power to the controller; a second electric power supply unit that supplies electric power to the first actuator; and a third electric power supply unit that supplies electric power to the second actuator. An actuator control unit controls the electric power supplied to the second actuator from the second electric power supply unit or from the third electric power supply unit when the second actuator is not able to operate using electric power supplied from the first electric power supply unit.Type: ApplicationFiled: May 3, 2012Publication date: October 4, 2012Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Atsushi KAMADA, Yasushi HANAKI, Naoki TAKI, Akira NAGASAKA, Yoshinobu NOZAKI, Akira NAGAE
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Patent number: 8219289Abstract: A vehicle control apparatus for a vehicle that includes a brake mechanism that produces braking force through the actuation of a first actuator and a shift mechanism that changes the shift position of a transmission through the actuation of a second actuator. The vehicle control apparatus includes: a controller that controls the electric power supplied to the first actuator and that controls the electric power supplied to the second actuator; a first electric power supply unit that supplies electric power to the controller; a second electric power supply unit that supplies electric power to the first actuator; and a third electric power supply unit that supplies electric power to the second actuator.Type: GrantFiled: August 31, 2007Date of Patent: July 10, 2012Assignee: Toyota Jidosha Kabushiki KaishaInventors: Atsushi Kamada, Yasushi Hanaki, Naoki Taki, Akira Nagasaka, Yoshinobu Nozaki, Akira Nagae
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Publication number: 20090326767Abstract: A vehicle control apparatus for a vehicle that includes a brake mechanism that produces braking force through the actuation of a first actuator and a shift mechanism that changes the shift position of a transmission through the actuation of a second actuator. The vehicle control apparatus includes: a controller that controls the electric power supplied to the first actuator and that controls the electric power supplied to the second actuator; a first electric power supply unit that supplies electric power to the controller; a second electric power supply unit that supplies electric power to the first actuator; and a third electric power supply unit that supplies electric power to the second actuator.Type: ApplicationFiled: August 31, 2007Publication date: December 31, 2009Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Atsushi Kamada, Yasushi Hanaki, Naoki Taki, Akira Nagasaka, Yoshinobu Nozaki, Akira Nagae
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Patent number: 4131644Abstract: Carbon fibers having excellent modulus of elasticity and tensile strength are produced in a high yield by a process wherein polybutadiene fibers are prepared by melt-spinning polybutadiene having at least 85% of vinyl structure, a melting point of at least 100.degree. C and a reduced viscosity of 0.3 to 1.2 dl/g; the fibers are then treated in a solution or suspension of a Lewis acid in an inert organic liquid, whereby the pollybutadiene is cyclized and cross-linked; the polybutadiene fibers treated as mentioned above are further treated in a melted sulphur or a sulphur-containing solution at a temperature of 170 to 300.degree. C, whereby the cyclized and cross-linked polybutadiene is dehydrogenated and aromatized; and the fibers treated as mentioned above are carbonized by raising the temperature thereof to 750.degree. C to 3000.degree. C to form carbon fibers or graphite fibers. If so desired, the ordinary carbon fibers which have been produced at 750 to 1500.degree.Type: GrantFiled: March 23, 1977Date of Patent: December 26, 1978Assignee: Ube Industries, Inc.Inventors: Akira Nagasaka, Hidetomo Ashitaka, Yoshihiro Kusuki, Denichi Oda, Toshimune Yoshinaga