Patents by Inventor Hiroyuki Morita
Hiroyuki Morita 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: 11557412Abstract: A ferrite sintered magnet comprising an M type Sr ferrite having a hexagonal structure as a main phase, wherein the ferrite sintered magnet comprises La and Co, a content of B is 0.005 to 0.9% by mass in terms of B2O3, a content of Zn is 0.01 to 1.2% by mass in terms of ZnO, and the ferrite sintered magnet satisfies [La]/[Zn]?0.79 and [Co]/[Zn]?0.67 when an atomic concentration of La is represented by [La], an atomic concentration of Co is represented by [Co], and an atomic concentration of Zn is represented by [Zn].Type: GrantFiled: March 20, 2020Date of Patent: January 17, 2023Assignee: TDK CorporationInventors: Yoshitaka Murakawa, Shogo Muroya, Hiroyuki Morita, Masanori Ikeda
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Patent number: 11532413Abstract: A ferrite sintered magnet 100 comprises M-type ferrite crystal grains 4 having a hexagonal structure, two-crystal grain boundaries 6a formed between two of the M-type ferrite crystal grains 4, and multiple-crystal grain boundaries 6b surrounded by three or more of the M-type ferrite crystal grains 4. This ferrite sintered magnet 100 contains at least Fe, Ca, B, and Si, and contains B in an amount of 0.005 to 0.9 mass % in terms of B2O3, the two-crystal grain boundaries 6a and the multiple-crystal grain boundaries 6b contain Si and Ca, and in a cross-section parallel to a c-axis of the ferrite sintered magnet, when the number of multiple-crystal grain boundaries 6b having a maximum length of 0.49 to 5 ?m per cross-sectional area of 76 ?m2 is N, N is 7 or less.Type: GrantFiled: March 23, 2020Date of Patent: December 20, 2022Assignee: TDK CorporationInventors: Yoshitaka Murakawa, Shogo Muroya, Hiroyuki Morita, Masanori Ikeda
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Patent number: 11521769Abstract: A ferrite sintered magnet 100 comprises M-type ferrite crystal grains 4 having a hexagonal crystal structure, two-crystal grain boundaries 6a formed between two of the M-type ferrite crystal grains 4, and multiple-crystal grain boundaries 6b surrounded by three or more of the M-type ferrite crystal grains 4. This ferrite sintered magnet 100 contains at least Fe, Ca, B, and Si, and contains B in an amount of 0.005 to 0.9 mass % in terms of B2O3, the two-crystal grain boundaries 6a and the multiple-crystal grain boundaries 6b contain Si and Ca, and in a cross-section parallel to a c-axis of the ferrite sintered magnet, when the number of multiple-crystal grain boundaries having a maximum length of 0.088 or more and less than 0.49 ?m per cross-sectional area of 76 ?m2 is P, P is 8 or more.Type: GrantFiled: March 20, 2020Date of Patent: December 6, 2022Assignee: TDK CorporationInventors: Yoshitaka Murakawa, Shogo Muroya, Hiroyuki Morita, Masanori Ikeda
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Patent number: 11503230Abstract: An image pickup device according to an embodiment includes pixels each configured to output an analog signal based on electric charges produced in a photoelectric conversion unit and a control unit configured to control a gain applied to the analog signal to be at least a first gain and a second gain greater than the first gain in accordance with a signal value of the analog signal. Each of the pixels outputs, as the analog signal, a first signal and a second signal based on electric charges produced in the photoelectric conversion unit in a first exposure period and a second exposure period shorter than the first exposure period. The control unit controls the gain applied to the analog signal by selecting one from the first gain and the second gain in accordance with the signal value, for at least one of the first signal and the second signal.Type: GrantFiled: November 24, 2020Date of Patent: November 15, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Tetsuya Itano, Shoji Kono, Hideo Kobayashi, Hiroyuki Morita, Yasuhiro Oguro, Kei Ochiai
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Patent number: 11488752Abstract: The present invention provides a ferrite sintered magnet comprising ferrite crystal grains having a hexagonal structure, wherein the ferrite sintered magnet comprises metallic elements at an atomic ratio represented by formula (1). In formula (1), R is at least one element selected from the group consisting of Bi and rare-earth elements, and R comprises at least La. In formula (1), w, x, z and m satisfy formulae (2) to (5). The above-mentioned ferrite sintered magnet further has a coefficient of variation of a size of the crystal grains in a section parallel to a c axis of less than 45%. Ca1-w-xRwSrxFezCom??(1) 0.360?w?0.420??(2) 0.110?x?0.173??(3) 8.51?z?9.71??(4) 0.208?m?0.Type: GrantFiled: September 21, 2020Date of Patent: November 1, 2022Assignee: TDK CorporationInventors: Tomokazu Ishikura, Masanori Ikeda, Yoshitaka Murakawa, Hiroyuki Morita, Shogo Muroya
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Patent number: 11476023Abstract: A ferrite sintered magnet including ferrite grains having a hexagonal crystal structure. The ferrite grains satisfy 0.56?W?0.68 where W is an average value of circularities of the ferrite grains in a cross section parallel to an axis of easy magnetization.Type: GrantFiled: March 19, 2021Date of Patent: October 18, 2022Assignee: TDK CORPORATIONInventors: Masanori Ikeda, Hiroyuki Morita, Yoshitaka Murakawa, Shogo Muroya
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Patent number: 11456096Abstract: There is provided a ferrite sintered magnet having a high residual magnetic flux density. A ferrite sintered magnet 2 includes a plurality of main phase particles 5 including ferrite having a hexagonal structure, the number of core-shell structured particles 5A having a core 7 and a shell 9 covering the core 7, among the main phase particles 5, is smaller than the number of the main phase particles 5 other than the core-shell structured particles 5A.Type: GrantFiled: February 5, 2019Date of Patent: September 27, 2022Assignee: TDK CorporationInventors: Hiroyuki Morita, Masanori Ikeda, Yoshitaka Murakawa, Taku Murase
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Patent number: 11440848Abstract: This ferrite sintered magnet comprises metallic elements at an atomic ratio represented by formula (1): Ca1-w-xRwSrxFezCom??(1) in formula (1), R is at least one element selected from the group consisting of rare-earth elements and Bi, and R comprises at least La, in formula (1), w, x, z and m satisfy formulae (2) to (5): 0.360?w?0.420??(2) 0.110?x?0.173??(3) 8.51?z?9.71??(4) 0.208?m?0.269??(5), and in a section parallel to an axis of easy magnetization, when the number of total ferrite grains is N and the number of ferrite grains having a stacking fault is n, 0?n/N?0.20 is satisfied.Type: GrantFiled: February 5, 2020Date of Patent: September 13, 2022Assignee: TDK CorporationInventors: Masanori Ikeda, Hiroyuki Morita, Yoshitaka Murakawa, Shogo Muroya
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Patent number: 11407686Abstract: This ferrite sintered magnet comprises metallic elements at an atomic ratio represented by formula (1): Ca1-w-xRwSrxFezCom??(1) in formula (1), R is at least one element selected from the group consisting of rare-earth elements and Bi, and R comprises at least La, in formula (1), w, x, z and m satisfy formulae (2) to (5): 0.360?w?0.420??(2) 0.110?x?0.173??(3) 8.51?z?9.71??(4) 0.208?m?0.269??(5), and in a section parallel to an axis of easy magnetization, when the number of total ferrite grains is N and the number of ferrite grains having a stacking fault is n, 0?n/N?0.20 is satisfied.Type: GrantFiled: February 5, 2020Date of Patent: August 9, 2022Assignee: TDK CorporationInventors: Masanori Ikeda, Hiroyuki Morita, Yoshitaka Murakawa, Shogo Muroya
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Publication number: 20220213279Abstract: Provided is a resin particle that can be uniformly brought into contact with an adherend, can effectively enhance adhesion to a conductive portion and impact resistance when electrodes are electrically connected to each other using a conductive particle having the conductive portion formed on a surface thereof, and further can effectively reduce connection resistance. In the resin particle according to the present invention, an exothermic peak is observed when differential scanning calorimetry is performed by heating the resin particle at a temperature rising rate of 5° C./min from 100° C. to 350° C. in an air atmosphere.Type: ApplicationFiled: March 18, 2020Publication date: July 7, 2022Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Hiroyuki MORITA, Takeshi WAKIYA
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Patent number: 11380466Abstract: The present invention provides a ferrite sintered magnet comprising (1) main phase grains containing a ferrite having a hexagonal structure, (2) two-grain boundaries formed between two of the main phase grains, and (3) multi-grain boundaries surrounded by three or more of the main phase grains. The above ferrite sintered magnet comprises Ca, R, Sr, Fe and Co, with R being at least one element selected from the group consisting of rare earth elements and Bi, and comprising at least La. The number Nm of the above main phase grains and the number Ng of the above multi-grain boundaries in the cross section including the direction of the easy magnetization axis of the above ferrite sintered magnet satisfy the formula (1A): 50%?Nm/(Nm+Ng)?65%??(1A).Type: GrantFiled: March 7, 2019Date of Patent: July 5, 2022Assignee: TDK CorporationInventors: Hiroyuki Morita, Masanori Ikeda, Yoshitaka Murakawa, Hiroyuki Ono, Taku Murase
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Patent number: 11305832Abstract: A left suspension unit supports a left wheel. A right suspension unit supports a right wheel. A steering actuator imparts a force causing the left suspension unit and the right suspension unit to turn about a left steering axis and a right steering axis respectively to a steering force transmission mechanism. A leaning actuator imparts a force causing a body frame to lean leftward or rightward of a leaning vehicle to a link mechanism. A control unit is capable of selecting a first mode wherein both of the steering actuator and the leaning actuator are employed, and a second mode wherein the steering actuator is employed without employing the leaning actuator, in order to control a leaning angle of the body frame in cooperation with a steering mechanism.Type: GrantFiled: February 7, 2020Date of Patent: April 19, 2022Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventors: Keisuke Terada, Kotaro Ogura, Hiroyuki Morita, Yosuke Hirayama
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Patent number: 11168184Abstract: A production process of a rubber composition containing a modified conjugated diene-based polymer, which can provide a rubber composition in which processability is excellent, and a filling agent, when contained, has favorable dispersibility therein. The production process of the rubber composition includes: a first step of kneading a modified conjugated diene-based polymer that is obtained by polymerizing a monomer containing a conjugated diene compound and has at least one nitrogen-containing functional group selected from a primary amino group, a secondary amino group, a tertiary amino group and groups in which these amino groups have been converted into an onium group, and a basic compound having an acid dissociation constant of 8.0 or more; and a second step of kneading the kneaded product obtained in the first step and a cross-linking agent.Type: GrantFiled: February 6, 2020Date of Patent: November 9, 2021Assignee: JSR CorporationInventors: Koichiro Tani, Ryota Funaki, Rikimaru Kuwabara, Hiroyuki Morita, Takaomi Matsumoto
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Patent number: 11155706Abstract: A polymer composition including: a filler (A); a polymer (B) having a repeating unit derived from a conjugated diene compound, having a peak temperature of a tan ? temperature dispersion curve of ?110° C. or more and less than ?30° C., and having a functional group capable of interacting with the filler (A); and a polymer (C) having a repeating unit derived from a conjugated diene compound and a repeating unit derived from an aromatic vinyl compound, having a peak temperature of a tan ? temperature dispersion curve of ?30° C. or more and 10° C. or less, and having a functional group capable of interacting with the filler (A), wherein the polymer (B) and the polymer (C) are incompatible with each other, and a concentration of functional groups per unit mass of the polymer (B) is higher than a concentration of functional groups per unit mass of the polymer (C).Type: GrantFiled: May 23, 2019Date of Patent: October 26, 2021Assignee: JSR CorporationInventors: Junji Kawai, Hiroyuki Morita, Yusuke Amano, Noriko Mashimo, Takaomi Matsumoto
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Publication number: 20210304935Abstract: To provide a ferrite sintered magnet having a high residual magnetic flux density (Br), a high coercive force (HcJ), a good production stability, and also able to produce at a low cost. The ferrite sintered magnet includes a hexagonal M-type ferrite including A, R, Fe, and Co in an atomic ratio of A1-xRx(Fe12-yCoy)zO19. A is at least one selected from Sr, Ba, and Pb. R is La only or La and at least one selected from rare earth elements. 0.14?x?0.22, 11.60?(12-y)z?11.99, and 0.13?yz?0.17 are satisfied. 0.30?Mc?0.63 is satisfied in which Mc is CaO content (mass %) converted from a content of Ca included in the ferrite sintered magnet.Type: ApplicationFiled: March 15, 2021Publication date: September 30, 2021Applicant: TDK CORPORATIONInventors: Shogo MUROYA, Yoshitaka MURAKAWA, Hiroyuki MORITA, Masanori IKEDA
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Publication number: 20210304934Abstract: To provide a ferrite sintered magnet having a high residual magnetic flux density (Br) and a high coercive force (HcJ), and also able to produce at a low cost. The ferrite sintered magnet includes a hexagonal M-type ferrite including A, R, Fe, and Co in an atomic ratio of A1-xRx(Fe12-yCoy)zO19. A is at least one selected from Sr, Ba, and Pb. R is La only or La and at least one selected from rare earth elements. 0.13?x?0.23, 10.80?(12?y)z?12.10, and 0.13?yz?0.20 are satisfied.Type: ApplicationFiled: March 11, 2021Publication date: September 30, 2021Applicant: TDK CORPORATIONInventors: Shogo MUROYA, Yoshitaka MURAKAWA, Hiroyuki MORITA, Masanori IKEDA
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Publication number: 20210296030Abstract: A ferrite sintered magnet including 0.010 mass % or more and 0.090 mass % or less of Mg in terms of MgO.Type: ApplicationFiled: March 11, 2021Publication date: September 23, 2021Applicant: TDK CORPORATIONInventors: Hiroyuki MORITA, Masanori IKEDA, Yoshitaka MURAKAWA, Shogo MUROYA
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Publication number: 20210296032Abstract: A ferrite sintered magnet including ferrite grains having a hexagonal crystal structure. The ferrite grains satisfy 0.56?W?0.68 where W is an average value of circularities of the ferrite grains in a cross section parallel to an axis of easy magnetization.Type: ApplicationFiled: March 19, 2021Publication date: September 23, 2021Applicant: TDK CORPORATIONInventors: Masanori IKEDA, Hiroyuki MORITA, Yoshitaka MURAKAWA, Shogo MUROYA
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Patent number: 11107597Abstract: A cask includes a cask body, an outer cylinder, a plurality of fins, and a plurality of neutron shields. The cask body has a tubular shape around a central axis and is capable of housing fuel assemblies. The outer cylinder has a tubular shape surrounding the cask body. The fins are aligned in a circumferential direction in a tubular space formed between the cask body and the outer cylinder, and connect an outer peripheral surface of the cask body and an inner peripheral surface of the outer cylinder to divide the tubular space into a plurality of divided spaces. The neutron shields contain a neutron shielding material with which the divided spaces are filled. Each neutron shield includes a void portion extending in the axial direction along the central axis. Accordingly, it is possible to reduce stress that may be exerted on the outer cylinder or other components by thermal expansion of the neutron shielding material when the fuel assemblies are housed in the cask.Type: GrantFiled: July 25, 2018Date of Patent: August 31, 2021Assignee: HITACHI ZOSEN CORPORATIONInventors: Akira Higuchi, Kenta Hamada, Hiroyuki Morita, Akihiro Shin
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Publication number: 20210193333Abstract: A home appliance control system includes at least one home appliance, a server, a scheduler, and terminal devices. The server is configured to communicate with the at least one home appliance and may be configured to control an operation of the at least one home appliance. The scheduler may be stored in the server and configured to store each of schedule information of a plurality of users. The terminal devices are configured to access the scheduler. The terminal devices are configured to send the schedule information to the scheduler. The server is configured to control the operation of the at least one home appliance based on common schedule information among the schedule information of the users stored in the scheduler.Type: ApplicationFiled: September 13, 2018Publication date: June 24, 2021Applicant: Toshiba Lifestyle Products & Services CorporationInventors: Takashi NISHIMURA, Hiroyuki MORITA, Kazuki TOMII, Akiyoshi TANAKA, Kyungpyo HONG