Patents by Inventor Makoto YAMAKI
Makoto YAMAKI 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: 20240125559Abstract: A body sheet for a vapor chamber includes a first body surface, a second body surface disposed opposite to the first body surface, and a penetration space extending from the first body surface to the second body surface. The penetration space extends in a first direction in plan view. As seen in a cross section perpendicular to the first direction, the penetration space includes a first opening positioned on the first body surface and a second opening positioned on the second body surface. The second opening extends from a region overlapping with the first opening in plan view to a position overlapping with the first groove in plan view.Type: ApplicationFiled: February 2, 2022Publication date: April 18, 2024Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Kazunori ODA, Shinichiro TAKAHASHI, Takayuki OTA, Toshihiko TAKEDA, Shinya KIURA, Makoto YAMAKI, Isao INOUE
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Patent number: 11958163Abstract: A substrate holding apparatus which can adjust polishing profile precisely is disclosed. The substrate holding apparatus includes an elastic membrane that forms a plurality of pressure chambers for pressing a substrate, and a head body to which the elastic membrane is coupled. The elastic membrane includes a contact portion to be brought into contact with the substrate for pressing the substrate against a polishing pad, an edge circumferential wall extending upwardly from a peripheral edge of the contact portion, and a plurality of inner circumferential walls arranged radially inwardly of the edge circumferential wall and extending upwardly from the contact portion. At least two adjacent inner circumferential walls of the plurality of inner circumferential walls include slope circumferential walls inclined radially inwardly. The slope circumferential walls are inclined radially inwardly in their entirety from their lower ends to upper ends, and extend upwardly.Type: GrantFiled: October 26, 2021Date of Patent: April 16, 2024Assignee: EBARA CORPORATIONInventors: Osamu Nabeya, Makoto Fukushima, Keisuke Namiki, Shingo Togashi, Satoru Yamaki, Masahiko Kishimoto, Tomoko Owada
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Publication number: 20240087807Abstract: A powder magnetic core according to an aspect of the present disclosure is a powder magnetic core in which a magnetic powder is bonded via a binder layer. The powder magnetic core contains 88 volume % or more of magnetic powder, and when a cross-sectional photograph of the powder magnetic core is taken, an area of the cross-sectional photograph having a size of 10000 ?m2 is divided into unit areas, one or more of the unit areas in which the size of a cross-sectional area of a binder accounts for 50% or more of the unit area are extracted as specific unit areas, and the percentage of the number of specific unit areas with respect to the total number of unit areas is equal to or larger than 0.2% but equal to or smaller than 3.0%.Type: ApplicationFiled: August 23, 2023Publication date: March 14, 2024Inventors: Shun MIKOSHIBA, Hiroshi SHIMA, Kenichiro KOBAYASHI, Akiri URATA, Makoto YAMAKI, Naoto ONISHI
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Publication number: 20240087781Abstract: A powder magnetic core capable of achieving a low loss in a high frequency range is provided. A powder magnetic core according to the present disclosure is a powder magnetic core in which a magnetic powder is bonded via a binder layer. A volume filling percentage of the magnetic powder included in the powder magnetic core is 85 volume % or higher, and a value obtained by dividing a BET specific surface area (m2/g) of the powder magnetic core by a specific surface area (m2/g) calculated using outer dimensions of the powder magnetic core is 5000 or less.Type: ApplicationFiled: July 27, 2023Publication date: March 14, 2024Inventors: Makoto YAMAKI, Naoto ONISHI, Akiri URATA, Kenichiro KOBAYASHI, Yu KANAMORI, Hiroshi SHIMA, Shun MIKOSHIBA
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Publication number: 20240029951Abstract: A dust core is manufactured by compacting magnetic particles in a metal die while heating the magnetic particles at a predetermined temperature in the metal die. At least some of the magnetic particles are coated with coating material. The metal die comprises a die, an upper punch and a lower punch. The upper punch is positioned above the lower punch in an up-down direction. The metal die is provided with a low-temperature portion and a high-temperature portion. A temperature of the low-temperature portion is less than a temperature of the high-temperature portion by 10° C. or more.Type: ApplicationFiled: September 28, 2021Publication date: January 25, 2024Applicant: TOKIN CORPORATIONInventors: Makoto YAMAKI, Naoto ONISHI, Akiri URATA
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Publication number: 20240011134Abstract: Alloy powder includes particles. The particles include specific particles. Each of the specific particles has a surface layer on which a divided trace is formed, the divided trace being a mark at which molten alloy is divided; and the divided trace has at least a hill-like ridge aggregate structure or a combination of a crater structure and the hill-like ridge aggregate structure, the hill-like ridge aggregate structure being an aggregate of a plurality of hill-like ridges.Type: ApplicationFiled: September 19, 2023Publication date: January 11, 2024Applicant: TOKIN CORPORATIONInventors: Akiri URATA, Yosuke IMANO, Makoto YAMAKI, Naoto ONISHI, Masato KUNO, Takuya TAKASHITA, Makoto NAKASEKO
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Patent number: 11866810Abstract: Alloy powder comprises particles. The particles include specific particles. Each of the specific particles has a surface layer on which a divided trace is formed.Type: GrantFiled: September 16, 2022Date of Patent: January 9, 2024Assignee: TOKIN CORPORATIONInventors: Akiri Urata, Yosuke Imano, Makoto Yamaki, Naoto Onishi, Masato Kuno, Takuya Takashita, Makoto Nakaseko
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Patent number: 11835745Abstract: Provided is a light control film capable of gradually changing the in-plane transmittance and thereby adding an in-plane gradation between light and dark. A light control film 10 according to the present invention includes: a first electrode 22A and a second electrode 22B disposed facing each other; a light control material 14 disposed between the first electrode 22A and the second electrode 22B and changing the transmittance in accordance with the potential difference between the first electrode 22A and the second electrode 22B; and a potential gradient forming part for providing the gradient of the potential difference in the extension direction of the first electrode 22A and the second electrode 22B.Type: GrantFiled: October 31, 2022Date of Patent: December 5, 2023Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Keisuke Miura, Yusuke Hagiwara, Yasunori Hayashida, Makoto Yamaki
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Publication number: 20230326656Abstract: To provide a dust core with good direct current superimposition characteristics and an inductor using such a dust core. A dust core according to an aspect of the present disclosure includes magnetic powder particles that are bound together through a binder layer, in which when a magnetic permeability in a state where a magnetic flux density generated by a direct current is 0 T is represented by ?B=0 T and a magnetic permeability in a state where the magnetic flux density generated by a direct current is 0.5 T is represented by ?B=0.5 T, a value expressed by ?B=0.5 T/?B=0 T is 0.65 or higher.Type: ApplicationFiled: April 3, 2023Publication date: October 12, 2023Inventors: Shun MIKOSHIBA, Hiroshi SHIMA, Kenichiro KOBAYASHI, Miho CHIBA, Akiri URATA, Makoto YAMAKI, Naoto ONISHI
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Patent number: 11619839Abstract: A method for manufacturing a laminated glass whereby, in a laminated glass comprising a liquid crystal film sandwiched therein and having a three-dimensionally curved surface shape, the formation of wrinkles in the liquid crystal film can be suppressed; and a laminated glass which has a three-dimensionally curved surface shape and in which wrinkles in a liquid crystal film sandwiched therein are suppressed. The method for manufacturing the laminated glass comprises: a heat molding step for heating the liquid crystal film to a temperature higher than the glass transition point of the first base material layer and the second base material layer; and a bonding step for, after completing the heat molding step, heating the laminate, wherein the liquid crystal film is sandwiched between the first glass sheet and the second glass sheet, at a temperature lower than the glass transition point and bonding the same by applying a preset pressure.Type: GrantFiled: November 2, 2018Date of Patent: April 4, 2023Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Takao Ikezawa, Keisuke Miura, Norio Ishii, Makoto Yamaki, Yusuke Nakamura, Tomoya Kawashima, Yusuke Hagiwara, Satoru Nishima
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Publication number: 20230085762Abstract: Alloy powder comprises particles. The particles include specific particles. Each of the specific particles has a surface layer on which a divided trace is formed.Type: ApplicationFiled: September 16, 2022Publication date: March 23, 2023Applicant: TOKIN CORPORATIONInventors: Akiri URATA, Yosuke IMANO, Makoto YAMAKI, Naoto ONISHI, Masato KUNO, Takuya TAKASHITA, Makoto NAKASEKO
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Publication number: 20230067010Abstract: Provided is a light control film capable of gradually changing the in-plane transmittance and thereby adding an in-plane gradation between light and dark. A light control film 10 according to the present invention includes: a first electrode 22A and a second electrode 22B disposed facing each other; a light control material 14 disposed between the first electrode 22A and the second electrode 22B and changing the transmittance in accordance with the potential difference between the first electrode 22A and the second electrode 22B; and a potential gradient forming part for providing the gradient of the potential difference in the extension direction of the first electrode 22A and the second electrode 22B.Type: ApplicationFiled: October 31, 2022Publication date: March 2, 2023Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Keisuke MIURA, Yusuke HAGIWARA, Yasunori HAYASHIDA, Makoto YAMAKI
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Patent number: 11520095Abstract: Provided is a light control film capable of gradually changing the in-plane transmittance and thereby adding an in-plane gradation between light and dark. A light control film 10 according to the present invention includes: a first electrode 22A and a second electrode 22B disposed facing each other; a light control material 14 disposed between the first electrode 22A and the second electrode 22B and changing the transmittance in accordance with the potential difference between the first electrode 22A and the second electrode 22B; and a potential gradient forming part for providing the gradient of the potential difference in the extension direction of the first electrode 22A and the second electrode 22B.Type: GrantFiled: November 4, 2020Date of Patent: December 6, 2022Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Keisuke Miura, Yusuke Hagiwara, Yasunori Hayashida, Makoto Yamaki
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Publication number: 20220293336Abstract: A powder magnetic core capable of achieving a low loss in a high frequency range while reducing the size thereof is provided. A powder magnetic core according to the present disclosure is a powder magnetic core in which a magnetic powder is bonded via a binder layer. The powder magnetic core contains 88 volume % or more of magnetic powder, and the percentage of parts of the binder layer having thicknesses of 20 nm or smaller in the binder layer that is present between particles of the magnetic powder is equal to or smaller than 6% (not including 0%).Type: ApplicationFiled: January 20, 2022Publication date: September 15, 2022Inventors: Shun MIKOSHIBA, Hiroshi SHIMA, Makoto YAMAKI, Naoto ONISHI, Kenichiro KOBAYASHI, Akiri URATA
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Patent number: 11112670Abstract: A light control film and a light control system, which not only simply change the amount of transmitted light but also can be used for a wider range of applications. This light control film includes a first electrode, a second electrode, a liquid crystal material, and a dichroic dye, and has a guest-host type liquid crystal layer in which light transmittance varies with the potential difference between the first electrode and the second electrode, wherein the liquid crystal layer has a first haze value when the potential difference is a first potential difference, has a second haze value when the potential difference is a second potential difference, and has a third haze value higher than at least the second haze value when the potential difference is a third potential difference between the first potential difference and the second potential difference.Type: GrantFiled: March 12, 2018Date of Patent: September 7, 2021Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Makoto Yamaki, Tomoya Kawashima
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Publication number: 20210208445Abstract: A method for manufacturing a laminated glass whereby, in a laminated glass comprising a liquid crystal film sandwiched therein and having a three-dimensionally curved surface shape, the formation of wrinkles in the liquid crystal film can be suppressed; and a laminated glass which has a three-dimensionally curved surface shape and in which wrinkles in a liquid crystal film sandwiched therein are suppressed. The method for manufacturing the laminated glass comprises: a heat molding step for heating the liquid crystal film to a temperature higher than the glass transition point of the first base material layer and the second base material layer; and a bonding step for, after completing the heat molding step, heating the laminate, wherein the liquid crystal film is sandwiched between the first glass sheet and the second glass sheet, at a temperature lower than the glass transition point and bonding the same by applying a preset pressure.Type: ApplicationFiled: November 2, 2018Publication date: July 8, 2021Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Takao IKEZAWA, Keisuke MIURA, Norio ISHII, Makoto YAMAKI, Yusuke NAKAMURA, Tomoya KAWASHIMA, Yusuke HAGIWARA, Satoru NISHIMA
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Publication number: 20210048572Abstract: Provided is a light control film capable of gradually changing the in-plane transmittance and thereby adding an in-plane gradation between light and dark. A light control film 10 according to the present invention includes: a first electrode 22A and a second electrode 22B disposed facing each other; a light control material 14 disposed between the first electrode 22A and the second electrode 22B and changing the transmittance in accordance with the potential difference between the first electrode 22A and the second electrode 22B; and a potential gradient forming part for providing the gradient of the potential difference in the extension direction of the first electrode 22A and the second electrode 22B.Type: ApplicationFiled: November 4, 2020Publication date: February 18, 2021Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Keisuke Miura, Yusuke Hagiwara, Yasunori Hayashida, Makoto Yamaki
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Publication number: 20210031268Abstract: Provided is a method of manufacturing a soft magnetic dust core. The method includes: preparing coated powder including amorphous powder made of an Fe-B-Si-P-C-Cu-based alloy, an Fe-B-P-C-Cu-based alloy, an Fe-B-Si-P-Cu-based alloy, or an Fe-B-P-Cu-based alloy, with a first initial crystallization temperature Tx1 and a second initial crystallization temperature Tx2; and a coating formed on a surface of particles of the amorphous powder; applying a compacting pressure to the coated powder or a mixture of the coated powder and the amorphous powder at a temperature equal to or lower than Tx1?100 K; and heating to a maximum end-point temperature equal to or higher than Tx1?50 K and lower than Tx2 with the compacting pressure being applied.Type: ApplicationFiled: October 21, 2020Publication date: February 4, 2021Applicants: JFE STEEL CORPORATION, JFE PRECISION CORPORATION, TOKIN CORPORATION, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Naomichi NAKAMURA, Makoto NAKASEKO, Takuya TAKASHITA, Mineo MURAKI, Hoshiaki TERAO, Raita WADA, Akiri URATA, Yu KANAMORI, Makoto YAMAKI, Koichi OKAMOTO, Toshinori TSUDA, Shoichi SATO, Kimihiro OZAKI
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Patent number: 10845522Abstract: A light control film is capable of gradually changing the in-plane transmittance and thereby adding an in-plane gradation between light and dark. A light control film includes: a first electrode and a second electrode disposed facing each other; a light control material disposed between the first electrode and the second electrode and changing the transmittance in accordance with the potential difference between the first electrode and the second electrode; and a potential gradient forming part for providing the gradient of the potential difference in the extension direction of the first electrode and the second electrode.Type: GrantFiled: June 16, 2017Date of Patent: November 24, 2020Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Keisuke Miura, Yusuke Hagiwara, Yasunori Hayashida, Makoto Yamaki
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Publication number: 20200271964Abstract: A light control film and a light control system, which not only simply change the amount of transmitted light but also can be used for a wider range of applications. This light control film includes a first electrode, a second electrode, a liquid crystal material, and a dichroic dye, and has a guest-host type liquid crystal layer in which light transmittance varies with the potential difference between the first electrode and the second electrode, wherein the liquid crystal layer has a first haze value when the potential difference is a first potential difference, has a second haze value when the potential difference is a second potential difference, and has a third haze value higher than at least the second haze value when the potential difference is a third potential difference between the first potential difference and the second potential difference.Type: ApplicationFiled: March 12, 2018Publication date: August 27, 2020Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Makoto YAMAKI, Tomoya KAWASHIMA