Patents by Inventor Yasuaki Matsushita
Yasuaki Matsushita 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).
-
Publication number: 20230387775Abstract: Provided is a magnetic geared motor and a magnetic gear that support pole pieces with high rigidity, have small residual stress, and are very easy to assemble. Included are stator, first rotor that rotates by magnetic flux generated by stator, and second rotor that rotates at a speed different from that of first rotor. Second rotor includes a plurality of pole pieces annularly arranged along the circumferential direction of second rotor, and frame including a circumferential portion including a plurality of gaps respectively corresponding to the plurality of pole pieces and in each of which the corresponding one of the plurality of pole pieces is at least partly inserted. The plurality of pole pieces and frame are integrated with mold resin.Type: ApplicationFiled: November 4, 2021Publication date: November 30, 2023Inventors: EIKI MORIMOTO, KIYOMI KAWAMURA, YASUAKI MATSUSHITA, NORITAKA ASO
-
Publication number: 20230299630Abstract: A first molded coil that is one of two molded coils disposed adjacent to each other includes: a first winding part in which a conductor is stacked from a first turn to an n-th turn (n is an integer of 2 or more); and a first terminal part that has a lead part extending from a portion of the first turn of the first winding part in a direction orthogonal to a stacking direction of the conductor in the first winding part, in which the first terminal part is provided at a tip with a first engaging part that is engaged with a second engaging part disposed at a tip of a third terminal part of a second molded coil that is the other molded coil of the two molded coils.Type: ApplicationFiled: May 24, 2021Publication date: September 21, 2023Inventors: YUYA MAEDA, YASUAKI MATSUSHITA, HIROKAZU YAMAUCHI
-
Publication number: 20230019262Abstract: Provided is a coil including first and second lead parts, and a winding part. The winding part includes first to n-th turns. The winding part includes first and second coil ends. The first lead part extends from the first turn to the n-th turn along an upper surface of the first coil end. The second lead part extends from the n-th turn. The first and second lead parts include respective ends that are equal in height from the upper surface of the first coil end when viewed from a radial direction, and are equidistant from the n-th turn when viewed from an axial direction.Type: ApplicationFiled: December 3, 2020Publication date: January 19, 2023Inventors: HIROKAZU YAMAUCHI, YASUAKI MATSUSHITA, KEIICHIRO NUKADA
-
Publication number: 20230006496Abstract: A bus bar guide is provided to fix bus bars that connect a plurality of coils disposed in a motor. The bus bar includes a conductor that has a plate shape and has a first surface and a second surface continuous with the first surface. The bus bar guide is configured by annularly arranging a plurality of bus bar guide pieces each including an insulator. Each of the plurality of bus bar guide pieces is provided with a groove that holds the first surface of the bus bar and positions the bus bar.Type: ApplicationFiled: October 20, 2020Publication date: January 5, 2023Inventors: YUYA MAEDA, YASUAKI MATSUSHITA, HIROKAZU YAMAUCHI
-
Patent number: 10510965Abstract: A composition for forming an organic semiconductor film that is excellent in printing properties makes it possible to prepare an organic thin film transistor excellent in mobility and insulation reliability. The composition may be used with an organic thin film transistor, electronic paper, and a display device. The composition for forming an organic semiconductor film contains an organic semiconductor material, a phenolic reductant, a polymer compound having a weight-average molecular weight of equal to or greater than 500,000, a surfactant, and an organic solvent having a standard boiling point of equal to or higher than 150° C. A ratio of a content of the organic semiconductor material to a content of the polymer compound is 0.02 to 10 based on mass, and a ratio of a content of the phenolic reductant to the content of the polymer compound is 0.1 to 5 based on mass.Type: GrantFiled: August 17, 2017Date of Patent: December 17, 2019Assignee: FUJIFILM CorporationInventor: Yasuaki Matsushita
-
Publication number: 20180361710Abstract: An object of the invention is to provide a composite body with which a molded article having both excellent external appearance and excellent light-transmitting properties can be produced. The composite body of the invention is a composite body having an aluminum base material having a plurality of through-holes in the thickness direction; and a resin layer provided on at least one surface of the aluminum base material, in which the average opening diameter of the through-holes is 0.1 to 100 ?m, and the average opening ratio provided by the through-holes is 1% to 50%.Type: ApplicationFiled: August 24, 2018Publication date: December 20, 2018Applicant: FUJIFILM CorporationInventors: Junji KAWAGUCHI, Yasuaki MATSUSHITA, Takao ASAKURA
-
Patent number: 10138385Abstract: The present invention provides a conductive film forming composition which makes it possible to prepare an organic thin film transistor having excellent insulation reliability while inhibiting the deterioration of mobility and has excellent coating properties and provides a conductive film and an organic thin film transistor which are prepared using the composition. The present invention also provides electronic paper and a display device which contain the organic thin film transistor and wiring board which has wiring formed using the conductive film forming composition. The conductive film forming composition according to the present invention contains water, conductive particles, and a migration inhibitor containing a compound having a group represented by Formula (1). In Formula (1), W1 represents any one of a hydrogen atom, Formula (A), Formula (B), and Formula (C). In Formula (1), R1, R2, R3, and R4 each independently represent any one of a hydrogen atom, a substituent, and W2.Type: GrantFiled: March 6, 2017Date of Patent: November 27, 2018Assignee: FUJIFILM CorporationInventors: Tokihiko Matsumura, Yasuaki Matsushita
-
Patent number: 10014474Abstract: The present invention provides a composition for forming a gate insulating film, which improves the insulation reliability of an organic thin film transistor without greatly reducing the mobility of the organic thin film transistor, an organic thin film transistor, electronic paper, and a display device. The composition for forming a gate insulating film of the present invention contains an insulating material and a migration inhibitor selected from the group consisting of a compound represented by any of Formulae (1) to (8), a polymer compound (X) containing a repeating unit represented by Formula (A), and a polymer compound (Y) containing a repeating unit represented by Formula (B) and a repeating unit represented by Formula (C).Type: GrantFiled: December 1, 2015Date of Patent: July 3, 2018Assignee: FUJIFILM CorporationInventors: Yasuaki Matsushita, Tokihiko Matsumura
-
Patent number: 10008301Abstract: The present invention provides an organic semiconductor composition, which improves the insulation reliability of an organic thin-film transistor without greatly reducing the mobility of the organic thin-film transistor, an organic thin-film transistor which is formed by using the organic semiconductor composition, and electronic paper and a display device which use the organic thin-film transistor. The organic semiconductor composition of the present invention contains an organic semiconductor material and an F-containing migration inhibitor selected from the group consisting of a compound represented by any of Formulae (1) to (8), a polymer compound (X) containing a repeating unit represented by Formula (A), and a polymer compound (Y) containing a repeating unit represented by Formula (B) and a repeating unit represented by Formula (C).Type: GrantFiled: November 17, 2015Date of Patent: June 26, 2018Assignee: FUJIFILM CorporationInventors: Yasuaki Matsushita, Tokihiko Matsumura
-
Organic semiconductor composition, organic thin film transistor, electronic paper and display device
Patent number: 10008682Abstract: The present invention provides an organic semiconductor composition, which improves the insulation reliability of an organic thin film transistor without greatly reducing the mobility of the organic thin film transistor, and an organic thin film transistor, electronic paper, and a display device which are prepared by using the organic semiconductor composition. The organic semiconductor composition of the present invention contains an organic semiconductor material and an anti-migration agent containing at least either a compound X, which contains at least two or more groups selected from the group consisting of a group represented by Formula (A) and a group represented by Formula (B), or a compound Y which is represented by Formula (C).Type: GrantFiled: January 5, 2016Date of Patent: June 26, 2018Assignee: FUJIFILM CorporationInventors: Yasuaki Matsushita, Tokihiko Matsumura -
Patent number: 9929348Abstract: An object of the present invention is to provide an organic semiconductor composition, which improves the insulation reliability of an organic thin-film transistor without greatly reducing the mobility of the organic thin-film transistor, an organic thin-film transistor which is prepared by using the organic semiconductor composition, and electronic paper and a display device which use the organic thin-film transistor. The organic semiconductor composition of the present invention contains an organic semiconductor material (A) and a polymer compound (B) containing a repeating unit represented by the following Formula (B).Type: GrantFiled: November 9, 2015Date of Patent: March 27, 2018Assignee: FUJIFILM CorporationInventors: Yasuaki Matsushita, Tokihiko Matsumura
-
Patent number: 9882137Abstract: The present invention provides an organic semiconductor composition which makes it possible to prepare an organic thin film transistor having excellent insulation reliability while inhibiting the deterioration of mobility, and to provide an organic thin film transistor prepared using the composition. Furthermore, the present invention provides electronic paper and a display device which contain the organic thin film transistor. The organic semiconductor composition according to the present invention contains an organic semiconductor material and at least one kind of migration inhibitor selected from a compound represented by the following Formula (I), a compound represented by the following Formula (II), and a compound represented by the following Formula (III).Type: GrantFiled: March 6, 2017Date of Patent: January 30, 2018Assignee: FUJIFILM CorporationInventors: Tokihiko Matsumura, Yasuaki Matsushita
-
Patent number: 9859036Abstract: A conductive film forming composition includes a fluorine atom-containing migration inhibitor and a metal particle, with the migration inhibitor including at least one selected from the group consisting of compounds represented by General Formulae (1) to (5), (22) and (23) as well as compounds having a group of General Formula (24) and a group of General Formula (25). The conductive film forming composition makes it possible to form a conductive film excellent in conductive characteristics and ion migration inhibiting function.Type: GrantFiled: September 29, 2015Date of Patent: January 2, 2018Assignee: FUJIFILM CorporationInventors: Yasuaki Matsushita, Tokihiko Matsumura
-
Publication number: 20170346018Abstract: An object of the present invention is to provide a composition for forming an organic semiconductor film that is excellent in printing properties and makes is possible to prepare an organic thin film transistor excellent in mobility and insulation reliability. Another object of the present invention is to provide an organic thin film transistor, electronic paper, and a display device. The composition for forming an organic semiconductor film of the present invention contains an organic semiconductor material, a phenolic reductant, a polymer compound having a weight-average molecular weight of equal to or greater than 500,000, a surfactant, and an organic solvent having a standard boiling point of equal to or higher than 150° C., in which a ratio of a content of the organic semiconductor material to a content of the polymer compound is 0.02 to 10 based on mass, and a ratio of a content of the phenolic reductant to the content of the polymer compound is 0.1 to 5 based on mass.Type: ApplicationFiled: August 17, 2017Publication date: November 30, 2017Applicant: FUJIFILM CORPORATIONInventor: Yasuaki MATSUSHITA
-
Publication number: 20170179387Abstract: The present invention provides an organic semiconductor composition which makes it possible to prepare an organic thin film transistor having excellent insulation reliability while inhibiting the deterioration of mobility, and to provide an organic thin film transistor prepared using the composition. Furthermore, the present invention provides electronic paper and a display device which contain the organic thin film transistor. The organic semiconductor composition according to the present invention contains an organic semiconductor material and at least one kind of migration inhibitor selected from a compound represented by the following Formula (I), a compound represented by the following Formula (II), and a compound represented by the following Formula (III).Type: ApplicationFiled: March 6, 2017Publication date: June 22, 2017Applicant: FUJIFILM CORPORATIONInventors: Tokihiko MATSUMURA, Yasuaki MATSUSHITA
-
Publication number: 20170174914Abstract: The present invention provides a conductive film forming composition which makes it possible to prepare an organic thin film transistor having excellent insulation reliability while inhibiting the deterioration of mobility and has excellent coating properties and provides a conductive film and an organic thin film transistor which are prepared using the composition. The present invention also provides electronic paper and a display device which contain the organic thin film transistor and wiring board which has wiring formed using the conductive film forming composition. The conductive film forming composition according to the present invention contains water, conductive particles, and a migration inhibitor containing a compound having a group represented by Formula (1). In Formula (1), W1 represents any one of a hydrogen atom, Formula (A), Formula (B), and Formula (C). In Formula (1), R1, R2, R3, and R4 each independently represent any one of a hydrogen atom, a substituent, and W2.Type: ApplicationFiled: March 6, 2017Publication date: June 22, 2017Applicant: FUJIFILM CORPORATIONInventors: Tokihiko MATSUMURA, Yasuaki MATSUSHITA
-
Patent number: 9609747Abstract: A wiring board includes: an insulating substrate; and a wiring layer including a first metal layer disposed on the insulating substrate and a second metal layer disposed so as to cover a surface of the first metal layer, the surface not being in contact with the insulating substrate, wherein the thickness of the second metal layer is 1/10 of the total thickness of the wiring layer, the wiring layer contains a migration inhibitor, and the mass Y of the migration inhibitor contained in the second metal layer is greater than the mass X of the migration inhibitor contained in the first metal layer.Type: GrantFiled: March 18, 2015Date of Patent: March 28, 2017Assignee: FUJIFILM CORPORATIONInventors: Yasuaki Matsushita, Tokihiko Matsumura
-
Publication number: 20160230033Abstract: Objects of the present invention are to provide a conductive film forming composition which makes it possible to obtain an organic thin film transistor exhibiting excellent insulation reliability and high mobility and to provide a conductive film, an organic thin film transistor, electronic paper, a display device, and a wiring board which use the conductive film forming composition. The conductive film forming composition of the present invention contains metal particles A and a compound B represented by the following Formula (I).Type: ApplicationFiled: April 19, 2016Publication date: August 11, 2016Applicant: FUJIFILM CorporationInventors: Yasuaki MATSUSHITA, Tokihiko MATSUMURA
-
Patent number: 9359343Abstract: A disulfide compound represented by formula (1): (in formula (1), R1 and R2 each independently represent a hydrogen atom or an alkyl group; R3 and R4 each independently represent a hydrogen atom or a substituent; Y represents a single bond, —CO— or —COO—; Rf represents a linear or branched perfluoroalkylene group having 1 to 20 carbon atoms or a linear or branched perfluoroether group having 1 to 20 carbon atoms; when Y is a single bond or —CO—, n represents 0 and m represents an integer of 0 to 6; when Y is —COO—, n represents 1 or 2 and m represents an integer of 1 to 6; and p represents an integer of 2 or 3 and 1 represents an integer of 0 or 1 such that p+1=3).Type: GrantFiled: September 28, 2015Date of Patent: June 7, 2016Assignee: FUJIFILM CorporationInventors: Tokihiko Matsumura, Yasuaki Matsushita
-
ORGANIC SEMICONDUCTOR COMPOSITION, ORGANIC THIN FILM TRANSISTOR, ELECTRONIC PAPER AND DISPLAY DEVICE
Publication number: 20160155964Abstract: The present invention provides an organic semiconductor composition, which improves the insulation reliability of an organic thin film transistor without greatly reducing the mobility of the organic thin film transistor, and an organic thin film transistor, electronic paper, and a display device which are prepared by using the organic semiconductor composition. The organic semiconductor composition of the present invention contains an organic semiconductor material and an anti-migration agent containing at least either a compound X, which contains at least two or more groups selected from the group consisting of a group represented by Formula (A) and a group represented by Formula (B), or a compound Y which is represented by Formula (C).Type: ApplicationFiled: January 5, 2016Publication date: June 2, 2016Applicant: FUJIFILM CORPORATIONInventors: Yasuaki MATSUSHITA, Tokihiko MATSUMURA