Patents by Inventor Toshihiro Okamoto
Toshihiro Okamoto 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: 11974501Abstract: Provided is a novel chalcogen-containing organic semiconductor compound having excellent carrier mobility. The compound is represented by Formula (1a) or (1b): [Chem. 1] where in Formulas (1a) and (1b), X represents S, O, or Se, and R1 each independently represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an aralkyl group, a pyridyl group, a furyl group, a thienyl group, or a thiazolyl group.Type: GrantFiled: August 29, 2019Date of Patent: April 30, 2024Assignees: THE UNIVERSITY OF TOKYO, PI-CRYSTAL INC.Inventors: Toshihiro Okamoto, Junichi Takeya, Masato Mitani, Yosuke Ito, Tomonori Matsumuro
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Publication number: 20240127471Abstract: An information processing apparatus according to an embodiment of the present disclosure processes information about a position of an object moved by a mobile object, and includes an output unit configured to output the information about the position of the object. The information about the position of the object is obtained based on holding information indicating whether the object is held or not held by the mobile object and information about a position of the mobile object. The information about the position of the mobile object is obtained based on a captured image captured by an imaging device.Type: ApplicationFiled: January 13, 2022Publication date: April 18, 2024Inventors: Toshihiro OKAMOTO, Shin AOKI, Sukehiro KIMURA, Kenji NAGASHIMA, Toshiyuki IKEOH, Soichiro YOKOTA
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Publication number: 20240025901Abstract: A first object of the present invention is to provide a method for producing a cyclic imide compound with high yield and high purity. A second object of the present invention is to provide a composition that can be used in the method for producing a cyclic imide compound with high yield and high purity. A third object of the present invention is to provide an intermediate compound that can be used in the method for producing a cyclic imide compound with high yield and high purity. The method for producing a cyclic imide compound according to the present invention includes reacting a compound represented by formula (1) below with at least one amine compound to obtain a compound represented by formula (2) below.Type: ApplicationFiled: July 13, 2023Publication date: January 25, 2024Applicants: FUJIFILM Corporation, The University of TokyoInventors: Hiroki SUGIURA, Yukio TANI, Tetsuya MATSUSHITA, Tetsuya WATANABE, Toshihiro OKAMOTO
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Patent number: 11785845Abstract: An object of the present invention is to provide a composition capable of manufacturing an organic thin film transistor having excellent carrier mobility even under low temperature conditions. The composition of the present invention contains a compound represented by Formula (1) and an alcohol represented by Formula (S1).Type: GrantFiled: October 18, 2021Date of Patent: October 10, 2023Assignees: FUJIFILM Corporation, The University of TokyoInventors: Koki Nakamura, Hiroki Sugiura, Yukio Tani, Tetsuya Matsushita, Tetsuya Watanabe, Junichi Takeya, Toshihiro Okamoto
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Publication number: 20230276703Abstract: Provided is a compound capable of forming through a printing process an organic semiconductor exhibiting high charge mobility. The compound according to the present disclosure is represented by Formula (1) below. In Formula (1), X1 and X2 are the same or different and each represent —O—, —NR1—, or —PR2-. Y1 and Y2 are the same or different and each represent an oxygen atom or a sulfur atom. Z1 to Z8 are the same or different and each represent ?N— or ?CR3—. The R1, R2, and R3 are the same or different and each represent a hydrogen atom or an organic group. n represents an integer of 0 or greater.Type: ApplicationFiled: September 1, 2021Publication date: August 31, 2023Applicants: The University of Tokyo, DAICEL CORPORATIONInventors: Toshihiro OKAMOTO, Tadanori KUROSAWA, Craig Peiqi YU, Junichi TAKEYA, Akito YAMAMOTO, Daiji IKEDA
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Publication number: 20230170107Abstract: Provided is a conductor material having high conductivity. The conductor material according to an embodiment of the present disclosure has a configuration in which a conjugated polymeric compound having an electron donating group containing a heteroatom in a side chain is doped with a dopant containing an anion selected from a nitrogen anion, a boron anion, a phosphorus anion and an antimony anion, and a counter cation. The anion is preferably an anion represented by Formula (1) below: where R1 and R2 are identical or different, and each represent an electron withdrawing group; and R1 and R2 may be bonded to each other to form a ring with an adjacent nitrogen atom.Type: ApplicationFiled: April 27, 2021Publication date: June 1, 2023Applicants: THE UNIVERSITY OF TOKYO, DAICEL CORPORATIONInventors: Toshihiro OKAMOTO, Tadanori KUROSAWA, Yu YAMASHITA, Junichi TAKEYA, Daiji IKEDA, Takeshi YOKOO, Yasuyuki AKAI
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Publication number: 20230151141Abstract: Provided is a dopant with which a conductor material having high electrical conductivity can be formed. The present disclosure relates to a dopant containing a radical cation represented by Formula (1) and a counter anion. In Formula (1), R1 to R3 may be the same or different, and each denotes a monovalent aromatic group or a group represented by Formula (r). at least one of R1 to R3 is a group represented by Formula (r), and n indicates the valence of the radical cation and is equal to the quantity (n) of nitrogen atoms in the formula. In Formula (r), Ar1, Ar2, and Ar3 may be the same or different, and each denotes a divalent aromatic group, and Ar4, Ar5, Ar6, and Ar7 may be the same or different, and each denotes a monovalent aromatic group optionally having a substituent represented by Formula (sb) below. Furthermore, m and n may be the same or different, and each represents an integer of 0 or greater.Type: ApplicationFiled: April 15, 2021Publication date: May 18, 2023Applicants: THE UNIVERSITY OF TOKYO, DAICEL CORPORATIONInventors: Toshihiro OKAMOTO, Tadanori KUROSAWA, Junichi TAKEYA, Daiji IKEDA, Takeshi YOKOO, Yasuyuki AKAI
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Publication number: 20230128569Abstract: Provided is a compound that is excellent in chemical stability, has a high solubility in a solvent, and exhibits an excellent carrier mobility. A compound represented by Formula (1): where in Formula (1), X1, X2, X3, and R1 to R10 are as defined in the specification.Type: ApplicationFiled: February 19, 2020Publication date: April 27, 2023Applicants: DAICEL CORPORATION, THE UNIVERSITY OF TOKYOInventors: Daiji IKEDA, Takeshi YOKOO, Yasuyuki AKAI, Toshihiro OKAMOTO, Tadanori KUROSAWA, Junichi TAKEYA, Dinghai CEN
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Publication number: 20220344056Abstract: Systems and methods are provided for evaluating a donor lung undergoing ex-vivo perfusion. The system includes a processor and a non-transitory computer readable medium storing executable instructions. The executable instructions include a feature extractor that generates a plurality of parameters representing the donor lung undergoing ex-vivo perfusion. At least one of the plurality of parameters are ordinal categorical parameters that can assume one of a plurality of categorical values. A score calculator is configured to assign a numerical value to each of the ordinal categorical parameters according to the categorical value associated with the parameter and to determine a composite score representing a suitability of the donor lung undergoing ex-vivo perfusion for transplant from the plurality of parameters. A user interface is configured to provide an output representing the composite score to a user at an associated output device.Type: ApplicationFiled: April 22, 2022Publication date: October 27, 2022Inventors: Kamal S. Ayyat, Toshihiro Okamoto, Kenneth R. McCurry
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Publication number: 20220336119Abstract: A novel dopant according to the present disclosure includes an anion represented by the following Formula (1) and a counter cation. In Formula (1), R1 and R2 may be each at least one group selected from a nitro group, a cyano group, an acyl group, a carboxyl group, an alkoxycarbonyl group, a haloalkyl group, a sulfo group, an alkylsulfonyl group, an halosulfonyl group, and a haloalkylsulfonyl group, or may be a group formed by R1 and R2 bonded to each other [—SO2-L-SO2—] (where L represents a haloalkylene group). The counter cation may be a radical cation represented by Formula (2), where R1 and R2 represent electron-withdrawing groups that may be bonded to each other to form a heterocycle, and R3 to R5 represent a hydrogen atom, a hydrocarbon group that may have a substituent, or a heterocyclic group that may have a substituent. The dopant is capable of forming an electroconductive composition that shows a high conductivity.Type: ApplicationFiled: August 17, 2020Publication date: October 20, 2022Applicants: The University of Tokyo, Daicel CorporationInventors: Toshihiro OKAMOTO, Tadanori KUROSAWA, Junichi TAKEYA, Daiji IKEDA, Yasuyuki AKAI
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Publication number: 20220213104Abstract: A first object of the present invention is to provide a method for producing a cyclic imide compound with high yield and high purity. A second object of the present invention is to provide a composition that can be used in the method for producing a cyclic imide compound with high yield and high purity. A third object of the present invention is to provide an intermediate compound that can be used in the method for producing a cyclic imide compound with high yield and high purity. The method for producing a cyclic imide compound according to the present invention includes reacting a compound represented by formula (1) below with at least one amine compound to obtain a compound represented by formula (2) below.Type: ApplicationFiled: March 17, 2022Publication date: July 7, 2022Applicants: FUJIFILM Corporation, The University of TokyoInventors: Hiroki Sugiura, Yukio Tani, Tetsuya Matsushita, Tetsuya Watanabe, Toshihiro Okamoto
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Patent number: 11273217Abstract: Mesothelioma growth inhibitory effect of standard cisplatin-pemetrexed concomitant therapy is potentiated by combination with an anti-CD26 antibody. A high therapeutic effect and excellent safety is obtained by the concomitant use of an anti-CD26 antibody and gemcitabine. By conjugating an anti-CD26 antibody (YS110) with triptolide via a divalent cross-linking agent for concomitant therapy using the anti-CD26 antibody, a novel antibody-drug conjugate (Y-TR1) very highly effective for CD26-positive malignant mesothelioma cells has been successfully obtained.Type: GrantFiled: September 9, 2016Date of Patent: March 15, 2022Assignee: Y's AC Co., Ltd.Inventors: Taketo Yamada, Mutsumi Hayashi, Kohji Yamada, Chikao Morimoto, Toshihiro Okamoto, Yutaro Kaneko
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Publication number: 20220045283Abstract: An object of the present invention is to provide a composition capable of manufacturing an organic thin film transistor having excellent carrier mobility even under low temperature conditions. The composition of the present invention contains a compound represented by Formula (1) and an alcohol represented by Formula (S1).Type: ApplicationFiled: October 18, 2021Publication date: February 10, 2022Applicants: FUJIFILM Corporation, The University of TokyoInventors: Koki NAKAMURA, Hiroki SUGIURA, Yukio TANI, Tetsuya MATSUSHITA, Tetsuya WATANABE, Junichi TAKEYA, Toshihiro OKAMOTO
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Patent number: 11233950Abstract: An electronic device includes an open-close detector configured to detect an open-close state indicating whether an optical path open-close device of a film camera is open or closed, a displacement detector configured to detect a displacement of a movable portion of the film camera interlocked with a movement of an operation portion of the film camera, and control circuitry. In response to a detection result of the displacement detector, the control circuitry selects a measurement mode for measuring an open time during which the optical path open-close device is open, from a plurality of operation modes of the electronic device. In the measurement mode, the control circuitry measures the open time based on the open-close state detected by the open-close detector.Type: GrantFiled: July 31, 2020Date of Patent: January 25, 2022Assignee: RICOH COMPANY, LTD.Inventors: Atsushi Ikeda, Kenji Hayasaka, Takamasa Matsumoto, Youhei Niitsuma, Toshihiro Okamoto, Kenta Takahashi, Yuichi Mikuni
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Publication number: 20210351363Abstract: Provided are an organic thin film transistor, an organic semiconductor film, a compound, an organic thin film transistor-forming composition, and a method of manufacturing the organic thin film transistor. The organic thin film transistor includes the organic semiconductor film. The organic semiconductor film includes a compound represented by a specific formula. The organic semiconductor film, the compound, and the organic thin film transistor-forming composition can be preferably used in the organic thin film transistor. The method of manufacturing the organic thin film transistor includes a step of forming an organic semiconductor film by applying the organic thin film transistor-forming composition to a substrate.Type: ApplicationFiled: July 22, 2021Publication date: November 11, 2021Applicants: FUJIFILM Corporation, The University of TokyoInventors: Eiji FUKUZAKI, Tetsuya WATANABE, Yoshihisa USAMI, Yukio TANI, Toshihiro OKAMOTO, Junichi TAKEYA
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Patent number: 11133475Abstract: An organic semiconductor element in which an organic semiconductor layer contains a compound of Formula (1) and/or a compound of Formula (2) or the organic semiconductor layer contains a polymer having a structure of any one of Formulae (6) to (8): in which Rings A and B each represent an aromatic 5-membered ring, X represents a nitrogen atom or CRX, and RX represents a hydrogen atom or a substituent; E represents an oxygen atom or a sulfur atom; R1 to R4 each represent a specific substituent; and p, q, r, and s each are an integer of 0 to 2; n is 1 or 2; and * represents a bonding site.Type: GrantFiled: September 30, 2019Date of Patent: September 28, 2021Assignees: FUJIFILM Corporation, THE UNIVERSITY OF TOKYOInventors: Fumiko Tamakuni, Tetsuya Watanabe, Toshihiro Okamoto, Junichi Takeya
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Publication number: 20210284233Abstract: An autonomous traveling device to tow a cart including a caster, which swivels around an axis perpendicular to a rotation axis of a wheel, includes a drive wheel, and circuitry configured to detect a position of the autonomous traveling device, drive the drive wheel to move the autonomous traveling device, drive the drive wheel to move the autonomous traveling device backward, and drive the drive wheel to turn the autonomous traveling device. In response to a detection that the autonomous traveling device towing the cart is at a turning position, the circuitry drives the drive wheel so that the autonomous traveling device turn by a predetermined angle while moving forward or backward. Based on a determination that the autonomous traveling device towing the cart is at a moving-back position, the circuitry drives the drive wheel to move the autonomous traveling device backward to a target position.Type: ApplicationFiled: December 21, 2020Publication date: September 16, 2021Applicant: RICOH COMPANY, LTD.Inventors: Hiroshi KATAYAMA, Toshihiro OKAMOTO, Yasufumi TAKAHASHI
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Patent number: 11107996Abstract: Provided are an organic thin film transistor, an organic semiconductor film, a compound, an organic thin film transistor-forming composition, and a method of manufacturing the organic thin film transistor. The organic thin film transistor includes the organic semiconductor film. The organic semiconductor film includes a compound represented by a specific formula. The organic semiconductor film, the compound, and the organic thin film transistor-forming composition can be preferably used in the organic thin film transistor. The method of manufacturing the organic thin film transistor includes a step of forming an organic semiconductor film by applying the organic thin film transistor-forming composition to a substrate.Type: GrantFiled: December 19, 2018Date of Patent: August 31, 2021Assignees: FUJIFILM Corporation, The University of TokyoInventors: Eiji Fukuzaki, Tetsuya Watanabe, Yoshihisa Usami, Yukio Tani, Toshihiro Okamoto, Junichi Takeya
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Patent number: 11081651Abstract: An organic semiconductor element in which an organic semiconductor layer contains a compound of Formula (1), a compound of Formula (2), and/or a compound of Formula (3) or contains a polymer having a structure of any one of formed by Formulae (8) to (10): in which X1 represents a nitrogen atom or CRa, and rings A to B each represent a specific nitrogen-containing ring; Y1 represents an oxygen atom, a sulfur atom, CRb2, or NRc; V1 represents NRd, an oxygen atom, a sulfur atom, or a selenium atom; Ra to Rd each represent a hydrogen atom or a substituent; R1 represents a specific substituent, and p is an integer of 0 to 2; n represents 1 or 2; and * represents a bonding site.Type: GrantFiled: September 30, 2019Date of Patent: August 3, 2021Assignees: FUJIFILM Corporation, The University of TokyoInventors: Kenji Shirokane, Eiji Fukuzaki, Yukio Tani, Fumiko Tamakuni, Yoshihisa Usami, Tetsuya Watanabe, Toshihiro Okamoto, Junichi Takeya
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Patent number: 11066263Abstract: A sheet conveying device, which is incorporated in an image forming apparatus, includes a first detector to detect an angle deviation of a recording medium to a sheet conveying direction, a second detector to detect a lateral shift of the recording medium to a width direction, a third detector to detect at least one of the angle deviation and the lateral shift after correction of the angle deviation detected by the first detector and the lateral shift detected by the second detector, and a rotary body to perform a primary movement by (1) rotating in the sheet conveying direction and returning to a reference position and by (2) moving in the width direction and returning to the reference position, and a secondary movement by performing at least one of (1) and (2) after the primary movement.Type: GrantFiled: June 25, 2019Date of Patent: July 20, 2021Assignee: Ricoh Company, Ltd.Inventors: Jun Yamane, Hiromichi Matsuda, Katsuaki Miyawaki, Koichi Kudo, Tetsuo Watanabe, Toshihiro Okamoto, Hideyuki Takayama, Atsuyuki Oyamada