Patents by Inventor Katsumi Kobayashi
Katsumi Kobayashi 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: 10403829Abstract: Provided are a photoelectric conversion element including a first electrode having a photosensitive layer including a light absorber on a conductive support and a second electrode, in which the light absorber includes a compound having a perovskite-type crystal structure having an organic cation represented by Formula (IA) below, a cation of a metallic atom, and an anion that is an anionic atom or atomic group, a solar cell, and a method for manufacturing a photoelectric conversion element, including bringing a layer in which a photosensitive layer is to be formed into contact with liquid including the above-described compound. [RA—NH2(H+)]1-n{[(RB)n2-L-NH2](H+)}n??Formula (IA) in the formula, RA represents a specific group such as an alkyl group. RB represents NR1R2 or (NR1R2R3)+, and R1 to R3 represent a hydrogen atom or a substituent. L represents a linking group. n2 represents an integer of 1 or more. Here, (RB)n2-L is a group different from RA. n represents a numerical value satisfying 0<n<1.00.Type: GrantFiled: October 14, 2016Date of Patent: September 3, 2019Assignee: FUJIFILM CorporationInventors: Hirotaka Satou, Katsumi Kobayashi
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Patent number: 10381157Abstract: A ceramic electronic device includes a chip component and a pair of metal terminals. The component includes a rectangular-parallelepiped element body having dielectrics and internal electrodes and a pair of terminal electrodes covering end surfaces of the body and a part of side surfaces of the body. The pair of metal terminals respectively has an engagement arm portion configured to hold the component. The terminal electrode includes first and second side surfaces. The first side surface has a predetermined side-surface electrode thickness. The second side surface is disposed farther from the end surface of the body than the first side surface and has the side-surface electrode thickness which is smaller than that of the first side surface. The arm portion contacts with the component at a position that is farther from the end surface of the body than the first side surface.Type: GrantFiled: March 22, 2018Date of Patent: August 13, 2019Assignee: TDK CORPORATIONInventors: Norihisa Ando, Katsumi Kobayashi, Sunao Masuda, Masahiro Mori, Kayou Matsunaga, Kosuke Yazawa
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Patent number: 10361025Abstract: A transformer 10 comprises a bobbin 20. A cylinder portion 28 of the bobbin 20 is provided with a first winding part 35 where a first wire 37 is wound and a second winding part 36 where a second wire 38 is wound at a position different from the first winding part 35 in an axial direction. At an outer circumference of the cylinder portion 28 located between the first winding part 35 and the second winding part 36, an insulating partition collar 30 is formed. On the first winding part 35, a winding partition collar 33, separating in respective sections S1, S2, is formed. On the winding partition collar 33, at least one communication groove 33a, communicating the sections S1, S2 adjacent to each other is formed. The first wire 37 is ?-wound around the first winding part 35.Type: GrantFiled: July 19, 2016Date of Patent: July 23, 2019Assignee: TDK CORPORATIONInventors: Masaaki Iwakura, Katsumi Kobayashi, Masaru Kumagai, Nobuo Kitajima, Satoshi Shinbo
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Patent number: 10256048Abstract: Provided are a photoelectric conversion element and a dye sensitized solar cell having a supporting substrate, a conductive layer, a power generating layer having a porous semiconductor layer onto which a metal complex dye represented by Formula (1) is adsorbed, a porous insulating layer, and a counter electrode conductive layer, in which the layers are laminated in this order on the supporting substrate, and voids that each of the power generating layer, the porous insulating layer, and the counter electrode conductive layer has are filled with an electrolyte. R represents a hydrogen atom, an alkyl group, or an aryl group. G represents a group represented by any one of Formulae (G-1) to (G-4). A1 to A3 each represent a hydrogen atom, a carboxyl group, or a salt thereof. At least one of A1 to A3 is a carboxyl group or a salt thereof. X1 and X2 each represent —O—, —S—, and others. Ra represents an alkyl group and the like. Rb to Re each represent a hydrogen atom or a substituent. na represents 1 to 3.Type: GrantFiled: November 20, 2017Date of Patent: April 9, 2019Assignees: FUJIFILM Corporation, SHARP KABUSHIKI KAISHAInventors: Yukio Tani, Katsumi Kobayashi, Ryohsuke Yamanaka, Atsushi Fukui, Norio Murofushi
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Patent number: 10249425Abstract: A coil device includes a core member, a bobbin, a coil portion, an outer case, and a potting resin. The core member extends in a longitudinal direction. The bobbin is provided with a longitudinal concave portion communicating with a side surface opening portion open to outside and housing the core member. The coil portion is provided with a wire wound around the bobbin. The outer case is provided with a housing concave portion configured to house the bobbin housing the core member and have the coil portion. The potting resin is filled in the housing concave portion and surrounds the bobbin with the coil portion. An opening port of the housing concave portion and the side surface opening portion are open in the same direction.Type: GrantFiled: June 21, 2017Date of Patent: April 2, 2019Assignee: TDK CORPORATIONInventor: Katsumi Kobayashi
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Patent number: 10242805Abstract: An electronic device includes a plurality of chip components and an external terminal. The chip components are provided with a terminal electrode formed on an end surface of a ceramic element body. The external terminal is electrically connected with the terminal electrodes to support the plurality of chip components adjacently in a first direction. The external terminal includes a terminal electrode connection part arranged to face the terminal electrode and a mounting connection part connectable with a mounting surface. The terminal electrode connection part is provided with a plurality of convex portions protruding toward the terminal electrode. At least one of the plurality of convex portions is respectively connected with each terminal electrode of the plurality of chip components.Type: GrantFiled: March 28, 2017Date of Patent: March 26, 2019Assignee: TDK CORPORATIONInventors: Sunao Masuda, Katsumi Kobayashi
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Patent number: 10096426Abstract: An electronic device includes a chip component with a terminal electrode formed on an end surface of a ceramic element body including an internal electrode and an external terminal electrically connected to the terminal electrode. The external terminal includes a terminal electrode connection part arranged to face the terminal electrode and a mounting connection part connectable to a mounting surface. The terminal electrode connection part includes a multilayer structure of a first metal connected to the terminal electrode, a second metal arranged outside the first metal, and a third metal arranged outside the second metal. A thermal expansion coefficient of the external terminal is smaller than that of the ceramic element body.Type: GrantFiled: December 27, 2016Date of Patent: October 9, 2018Assignee: TDK CORPORATIONInventors: Sunao Masuda, Katsumi Kobayashi, Masahiro Mori, Kayou Matsunaga, Norihisa Ando
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Publication number: 20180286584Abstract: A ceramic electronic device includes a chip component and a pair of metal terminals. The component includes a rectangular-parallelepiped element body having dielectrics and internal electrodes and a pair of terminal electrodes covering end surfaces of the body and a part of side surfaces of the body. The pair of metal terminals respectively has an engagement arm portion configured to hold the component. The terminal electrode includes first and second side surfaces. The first side surface has a predetermined side-surface electrode thickness. The second side surface is disposed farther from the end surface of the body than the first side surface and has the side-surface electrode thickness which is smaller than that of the first side surface. The arm portion contacts with the component at a position that is farther from the end surface of the body than the first side surface.Type: ApplicationFiled: March 22, 2018Publication date: October 4, 2018Applicant: TDK CORPORATIONInventors: Norihisa ANDO, Katsumi KOBAYASHI, Sunao MASUDA, Masahiro MORI, Kayou MATSUNAGA, Kosuke YAZAWA
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Patent number: 10049805Abstract: A coil device has a potting resin 60. The potting resin 60 surrounds a bobbin 20 with a coil portion 12. The coil portion 12 is housed in a housing concave portion 42 of an outer case 40. Oblique plate legs 50 arranged obliquely are arranged between an outer peripheral wall 24 of the bobbin 20 and a bottom wall of the housing concave portion 42.Type: GrantFiled: March 2, 2017Date of Patent: August 14, 2018Assignee: TDK CORPORATIONInventor: Katsumi Kobayashi
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Publication number: 20180211784Abstract: A ceramic electronic device includes multiple chip components and a pair of metal terminal portions. The chip components consist of a pair of chip end surfaces and four chip side surfaces. Terminal electrodes are formed on the pair of chip end surfaces. The pair of metal terminal portions is arranged correspondingly with the pair of chip end surfaces. Each of the pair of metal terminal portions includes an electrode face portion, multiple pairs of engagement arm portions, and a mount portion. The electrode face portion faces the chip end surface. The multiple pairs of engagement arm portions extend from the electrode face portion toward the chip side surface and sandwich and hold the chip components. The mount portion extends from one of terminal second sides toward the chip components and is partially substantially vertical to the electrode face portion.Type: ApplicationFiled: November 21, 2017Publication date: July 26, 2018Applicant: TDK CORPORATIONInventors: Norihisa ANDO, Katsumi KOBAYASHI, Sunao MASUDA, Masahiro MORI, Kayou MATSUNAGA, Kosuke YAZAWA
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Publication number: 20180211783Abstract: A ceramic electronic device includes multiple chip components and a pair of metal terminal portions. The chip components consist of a pair of chip end surfaces and four chip side surfaces. Terminal electrodes are formed on the pair of chip end surfaces. The pair of metal terminal portions is arranged correspondingly with the pair of chip end surfaces. Each of the pair of metal terminal portions includes an electrode face portion, a pair of engagement arm portions, and a mount portion. The electrode face portion faces the chip end surface. The pair of engagement arm portions sandwich and hold the chip component. The mount portion extends from one of terminal second sides toward the chip component and is partially substantially vertical to the electrode face portion. The electrode face portion has a slit.Type: ApplicationFiled: November 21, 2017Publication date: July 26, 2018Applicant: TDK CORPORATIONInventors: Norihisa ANDO, Katsumi KOBAYASHI, Sunao MASUDA, Masahiro MORI, Kayou MATSUNAGA, Kosuke YAZAWA
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Patent number: 9953768Abstract: A photoelectric conversion element, a photoelectric conversion element, a dye-sensitized solar cell and a dye solution, having an electrically conductive support, a photoconductor layer containing an electrolyte, a charge transfer layer containing an electrolyte, and a counter electrode, wherein the photoconductor layer contains semiconductor fine particles carrying a metal complex dye; and wherein the metal complex dye has at least a carboxyl group and a salt of the carboxyl group, the salt being selected from the group consisting of a potassium salt, a lithium salt, and a cesium salt, and the ratio ? of the number of the salt of the carboxyl group divided by the total number of the carboxyl group and the salt of the carboxyl group to be found in one molecule of the metal complex dye, lying in the range of 0.1 to 0.9.Type: GrantFiled: September 21, 2015Date of Patent: April 24, 2018Assignee: FUJIFILM CorporationInventors: Yukio Tani, Katsumi Kobayashi
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Patent number: 9947482Abstract: A photoelectric conversion element has a conductive support, a photoreceptor layer containing an electrolyte, a charge carrier layer containing an electrolyte and a counter electrode, and the photoreceptor layer has semiconductor particles on which a metal complex dye represented by Formula (I) is carried. M1(LA)(LD)(Z1).CI??Formula (I) M1 represents a metal atom; Z1 represents a monodentate ligand; LA represents a tridentate ligand represented by Formula (AL-1); LD represents a bidentate ligand represented by Formula (DL-1); and CI represents a counterion necessary for neutralizing the charge.Type: GrantFiled: October 9, 2015Date of Patent: April 17, 2018Assignee: FUJIFILM CorporationInventors: Kohsuke Watanabe, Hirotaka Sato, Yukio Tani, Ryo Fujiwara, Kazuhiro Tsuna, Katsumi Kobayashi
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Publication number: 20180090280Abstract: Provided are a photoelectric conversion element and a dye sensitized solar cell having a supporting substrate, a conductive layer, a power generating layer having a porous semiconductor layer onto which a metal complex dye represented by Formula (1) is adsorbed, a porous insulating layer, and a counter electrode conductive layer, in which the layers are laminated in this order on the supporting substrate, and voids that each of the power generating layer, the porous insulating layer, and the counter electrode conductive layer has are filled with an electrolyte. R represents a hydrogen atom, an alkyl group, or an aryl group. G represents a group represented by any one of Formulae (G-1) to (G-4). A1 to A3 each represent a hydrogen atom, a carboxyl group, or a salt thereof. At least one of A1 to A3 is a carboxyl group or a salt thereof. X1 and X2 each represent —O—, —S—, and others. Ra represents an alkyl group and the like. Rb to Re each represent a hydrogen atom or a substituent. na represents 1 to 3.Type: ApplicationFiled: November 20, 2017Publication date: March 29, 2018Applicants: FUJIFILM Corporation, Sharp Kabushiki KaishaInventors: Yukio TANI, Katsumi KOBAYASHI, Ryohsuke YAMANAKA, Atsushi FUKUI, Norio MUROFUSHI
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Patent number: 9911535Abstract: An electronic device includes a chip component and an external terminal. The external terminal includes a terminal electrode connection part, a mounting connection part, and a support part. The terminal electrode connection part is arranged to face an end surface electrode part of a terminal electrode of the chip component. The mounting connection part is connectable to a mounting surface. The support part faces one side surface of an element body of the chip component closest to the mounting surface so as to support the one side surface spaced from the mounting surface. A bonding region and a non-bonding region are formed between the terminal electrode connection part of the external terminal and the end surface electrode part of the terminal electrode. The non-bonding region is formed from the terminal electrode connection part to the support part.Type: GrantFiled: March 2, 2016Date of Patent: March 6, 2018Assignee: TDK CORPORATIONInventors: Masahiro Mori, Takayuki Sakai, Katsumi Kobayashi
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Publication number: 20170372827Abstract: A coil device includes a core member, a bobbin, a coil portion, an outer case, and a potting resin. The core member extends in a longitudinal direction. The bobbin is provided with a longitudinal concave portion communicating with a side surface opening portion open to outside and housing the core member. The coil portion is provided with a wire wound around the bobbin. The outer case is provided with a housing concave portion configured to house the bobbin housing the core member and have the coil portion. The potting resin is filled in the housing concave portion and surrounds the bobbin with the coil portion. An opening port of the housing concave portion and the side surface opening portion are open in the same direction.Type: ApplicationFiled: June 21, 2017Publication date: December 28, 2017Applicant: TDK CORPORATIONInventor: Katsumi KOBAYASHI
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Publication number: 20170372847Abstract: Provided are a photoelectric conversion element including a first electrode having a photosensitive layer including a light absorber on a conductive support and a second electrode facing the first electrode, in which the light absorber includes a compound having a perovskite-type crystal structure, and a compound represented by a specific formula is provided on a surface of the first electrode, a solar cell using the same, and a method for manufacturing a photoelectric conversion element including bringing a first electrode having a photosensitive layer in which a compound having a specific perovskite-type crystal structure is included as a light absorber on a conductive support into contact with a liquid containing a compound represented by specific Formula (AC).Type: ApplicationFiled: September 8, 2017Publication date: December 28, 2017Applicant: FUJIFILM CorporationInventors: Hirotaka SATOU, Katsumi KOBAYASHI
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Publication number: 20170365399Abstract: A coil device 10 comprising, the core body 20 having a coil core part 22 and a core bottom face 24c, and a coil part forming spiral conductive pathway around the coil core part 22. A metal electrode 60 is formed at the core bottom face 24c, and the wire ends 41a, 41b, 42a, 42b which are the conductive pathway of the coil part 40 are formed at the metal electrode 60, and a part of the surface of the metal electrode 60 is covered by the conductive resin electrode 62.Type: ApplicationFiled: June 1, 2017Publication date: December 21, 2017Applicant: TDK CORPORATIONInventors: Katsumi KOBAYASHI, Kouyu OHI
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RUTHENIUM COMPLEX DYE, DYE SOLUTION, PHOTOELECTRIC CONVERSION ELEMENT, AND DYE-SENSITIZED SOLAR CELL
Publication number: 20170352493Abstract: Provided are a ruthenium complex dye having a water content of 0.2% to 4.0% by mass; a dye solution including the ruthenium complex dye; a photoelectric conversion element having semiconductor fine particles having the ruthenium complex dye carried thereon; and a dye-sensitized solar cell including the photoelectric conversion element.Type: ApplicationFiled: August 22, 2017Publication date: December 7, 2017Applicant: FUJIFILM CorporationInventors: Naoyuki HANAKI, Yukio TANI, Kousuke WATANABE, Katsumi KOBAYASHI -
Publication number: 20170330694Abstract: Provided are a photoelectric conversion element including a first electrode having a photosensitive layer including a light absorber on a conductive support and a second electrode facing the first electrode, in which the light absorber includes a compound having a perovskite-type crystal structure including organic cations, cations of a metallic atom other than elements belonging to Group I of the periodic table, and anions, and at least some of the organic cations constituting the compound are organic cations having a silyl group and a solar cell using the photoelectric conversion element. Also provided is a composition containing a compound represented by Formula (1a) and a halogenated metal. R13Si-L-NR23Hal??Formula (1a) In the formula, R1, R2, and L are specific groups. Hal represents a halogen atom.Type: ApplicationFiled: July 25, 2017Publication date: November 16, 2017Applicant: FUJIFILM CorporationInventors: Hirotaka SATOU, Kenji SHIROKANE, Toshihiro ISE, Katsumi KOBAYASHI