Patents by Inventor Ryo Nakamura
Ryo Nakamura 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: 11047451Abstract: A transmission belt is formed by a plurality of elements each having: a body portion including a saddle surface that contacts an inner peripheral surface of an endless ring and a pair of pillar portions that are extended outward in the radial direction of the transmission belt from both lateral sides of the saddle surface; a first surface that is formed on one side of the body portion in the circumferential direction of the transmission belt and a second surface that is formed on the other side of the body portion in the circumferential direction of the transmission belt; and rocking edge portions that are formed at both lateral ends of the first surface so as to be separated from each other and that act as a fulcrum when adjacent ones of the elements contact each other and rotate relative to each other.Type: GrantFiled: May 18, 2017Date of Patent: June 29, 2021Assignee: AISIN AW CO., LTD.Inventors: Akira Ochi, Yuki Sato, Takayuki Miyake, Ryo Nakamura, Junichi Tokunaga
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Publication number: 20210159167Abstract: A semiconductor structure includes an alternating stack of insulating layers and electrically conductive layers located over a substrate, memory openings vertically extending through the alternating stack, memory opening fill structures located in the memory openings, where each of the memory opening fill structures contains a memory film and a vertical semiconductor channel that extend vertically, and each memory film includes a crystalline blocking dielectric metal oxide layer, and a metal oxide amorphous dielectric nucleation layer located between each of the vertically neighboring electrically conductive layers and insulating layers, and located between each of the crystalline blocking dielectric metal oxide layers and each of the electrically conductive layers.Type: ApplicationFiled: November 26, 2019Publication date: May 27, 2021Inventors: Masanori TSUTSUMI, Naohiro HOSODA, Shuichi HAMAGUCHI, Kazuki ISOZUMI, Genta MIZUNO, Yusuke MUKAE, Ryo NAKAMURA, Yu Yu UEDA
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Publication number: 20210131564Abstract: A seal device includes a casing, a mating ring, a seal ring provided in a recessed portion formed between the casing and the mating ring; and a set ring provided with a guide portion and a rotary shaft penetration portion on a radially inner side of the guide portion, the guide portion of the set ring being inserted into an opening of the mating ring and inserted, in a pressure-wrapped state, into an opening of the seal ring by elasticity of the seal ring.Type: ApplicationFiled: October 30, 2020Publication date: May 6, 2021Inventor: Ryo NAKAMURA
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Publication number: 20210074877Abstract: Provided is a semiconductor light emitting device including a growth substrate; a pillar-shaped semiconductor layer formed on the growth substrate; and a buried semiconductor layer formed to cover the pillar-shaped semiconductor layer, wherein the pillar-shaped semiconductor layer has an n-type nanowire layer formed at a center, an active layer formed on an outermore side than the n-type nanowire layer, a p-type semiconductor layer formed on an outermore side than the active layer and a tunnel junction layer formed on an outermore side than the p-type semiconductor layer, and wherein at least a part of the pillar-shaped semiconductor layer is provided with a removed region formed by removing from the buried semiconductor layer to a part of the tunnel junction layer.Type: ApplicationFiled: September 9, 2020Publication date: March 11, 2021Applicants: KOITO MANUFACTURING CO., LTD., MEIJO UNIVERSITY, TOYODA GOSEI CO., LTD.Inventors: Satoshi Kamiyama, Tetsuya Takeuchi, Motoaki Iwaya, Isamu Akasaki, Lu Weifang, Naoki Sone, Kazuyoshi Iida, Ryo Nakamura, Masaki Oya
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Patent number: 10875346Abstract: The present invention provides a lithographic printing plate precursor that enables a lithographic printing plate formed therefrom to have excellent image visibility and a long press life, as well as a lithographic printing plate manufacturing method and a printing method.Type: GrantFiled: October 30, 2018Date of Patent: December 29, 2020Assignee: FUJIFILM CorporationInventors: Ryo Nakamura, Atsushi Matsuura, Tsuyoshi Hirokawa
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Patent number: 10861869Abstract: An alternating stack of insulating layers and sacrificial material layers is formed over a substrate. Memory stack structures are formed through the alternating stack. Each of the memory stack structures includes respective charge storage elements and a respective vertical semiconductor channel contacting an inner sidewall of the respective charge storage elements. The sacrificial material layers are replaced with electrically conductive layers. A polycrystalline aluminum oxide blocking dielectric layer is provided between each charge storage element and a neighboring one of the electrically conductive layers. The polycrystalline aluminum oxide blocking dielectric layer is formed by: depositing an amorphous aluminum oxide layer, converting the amorphous aluminum oxide layer into an in-process polycrystalline aluminum oxide blocking dielectric layer, and by thinning the in-process polycrystalline aluminum oxide blocking dielectric layer.Type: GrantFiled: January 8, 2019Date of Patent: December 8, 2020Assignee: SANDISK TECHNOLOGIES LLCInventors: Ryo Nakamura, Yu Ueda, Tatsuya Hinoue, Shigehisa Inoue, Genta Mizuno, Masanori Tsutsumi
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Patent number: 10804833Abstract: Provided is a control device for an electric generator/motor, which includes an armature winding and a field winding, the control device including: a bridge circuit configured to energize the armature winding; a field circuit configured to energize the field winding; and an energization control unit configured to control the energization of the bridge circuit and the field circuit. The energization control unit is configured to perform, when performing switching between a generation mode and a drive mode in response to an external command to control the electric generator/motor, control on a current supply amount for the field winding, and vector control on a current supply amount for the armature winding so as to compensate for a variation in field current.Type: GrantFiled: November 2, 2016Date of Patent: October 13, 2020Assignee: Mitsubishi Electric CorporationInventors: Tomohiro Seki, Yuya Hisano, Ryo Nakamura
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Publication number: 20200266748Abstract: To provide a controller of rotary electric machine which can control voltage of each set of the winding appropriately within a range less than or equal to the DC power voltage, to the rotary electric machine which has plural sets of windings. A controller of rotary electric machine calculates, for each set, a required DC voltage which is a minimum DC power voltage required for applying a voltage according to the voltage command value to the winding, based on the voltage command value; calculates one common required DC voltage which is common to all sets, based on all sets of the required DC voltages; changes the common voltage control value so that the common required DC voltage-approaches the DC power voltage; and changes each set of the current command value based on the common voltage control value.Type: ApplicationFiled: January 10, 2018Publication date: August 20, 2020Applicant: Mitsubishi Electric CorporationInventors: Tomohiro SEKI, Ryo NAKAMURA, Yuya HISANO, Masahiro IEZAWA
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Patent number: 10675903Abstract: Provided are a planographic printing plate precursor including: a support; and an image recording layer provided on the support, in which the image recording layer contains an infrared absorbing agent, a polymerization initiator, a polymerizable compound containing a hydrogen bonding group, and a hard polymer particle containing at least one group selected from the group consisting of a urethane group, a urea group, an imide group, an amide group, and a sulfonamide group on the surface of the hard polymer particle, and a number average primary particle diameter of the hard polymer particle is in a range of 0.01 to 1 ?m; and a plate-making method for a planographic printing plate obtained by using the planographic printing plate precursor.Type: GrantFiled: August 23, 2018Date of Patent: June 9, 2020Assignee: FUJIFILM CORPORATIONInventors: Kohei Aizu, Ryo Nakamura, Hiroaki Idei, Tomoki Ochimizu
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Publication number: 20200164629Abstract: Provided are a lithographic printing plate precursor having an image-recording layer on an aluminum support, in which the image-recording layer contains a polymerization initiator, an infrared absorber, a polymer particle, and a polymerizable compound, and the polymerizable compound has a) a molecular weight of 1,500 to 3,000, b) a double bond equivalent of 200 or less, and c) a CLog P of 9 or less and a method for producing a lithographic printing plate in which the lithographic printing plate precursor is used.Type: ApplicationFiled: November 28, 2019Publication date: May 28, 2020Applicant: FUJIFILM CorporationInventors: Ryo NAKAMURA, Kenjiro ARAKI, Shuji HIRANO, Koji SONOKAWA, Yuuya MIYAGAWA
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Publication number: 20200020715Abstract: An alternating stack of insulating layers and sacrificial material layers is formed over a substrate. Memory stack structures are formed through the alternating stack. Each of the memory stack structures includes respective charge storage elements and a respective vertical semiconductor channel contacting an inner sidewall of the respective charge storage elements. The sacrificial material layers are replaced with electrically conductive layers. A polycrystalline aluminum oxide blocking dielectric layer is provided between each charge storage element and a neighboring one of the electrically conductive layers. The polycrystalline aluminum oxide blocking dielectric layer is formed by: depositing an amorphous aluminum oxide layer, converting the amorphous aluminum oxide layer into an in-process polycrystalline aluminum oxide blocking dielectric layer, and by thinning the in-process polycrystalline aluminum oxide blocking dielectric layer.Type: ApplicationFiled: January 8, 2019Publication date: January 16, 2020Inventors: Ryo NAKAMURA, Yu UEDA, Tatsuya HINOUE, Shigehisa INOUE, Genta MIZUNO, Masanori TSUTSUMI
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Publication number: 20200011398Abstract: In an element of a power transfer belt to be wound around a primary pulley and a secondary pulley of a continuously variable transmission to transfer torque, the distance from a boundary line between a surface positioned on the outer peripheral side of the power transfer belt with respect to a rocking edge portion and the rocking edge portion to a saddle surface is determined from the slip amount due to micro slip which is relative slipping between the element and the primary pulley caused when the primary pulley pushes out the power transfer belt toward the secondary pulley, and the angular speed of the element and the angular speed of a ring in a range in which the power transfer belt is wound around the secondary pulley.Type: ApplicationFiled: March 5, 2018Publication date: January 9, 2020Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryo NAKAMURA, Akira OCHI, Takayuki MIYAKE, Junichi TOKUNAGA, Keisuke NINOMIYA, Yu INASE, Fumiya KAJI, Yuji HATTORI, Yuji NAGASAWA
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Patent number: 10525696Abstract: A lithographic printing plate precursor, a lithographic printing plate manufacturing method, a printing method and an aluminum support manufacturing method enable the resulting lithographic printing plate to have a long tiny dot press life. The lithographic printing plate precursor includes an aluminum support and an image recording layer. When measured over a 400 ?m×400 ?m region of a surface of the aluminum support on the image recording layer side using a three-dimensional non-contact roughness tester, pits with a depth from centerline of at least 0.70 ?m are present at a density of at least 3,000 pits/mm2. A surface area ratio ?S is not less than 35%, where ?S is determined using an actual area Sx obtained, through three-point approximation, from three-dimensional data acquired by measurement at 512×512 points in 25 ?m square of the surface of the aluminum support on the image recording layer side.Type: GrantFiled: January 11, 2019Date of Patent: January 7, 2020Assignee: FUJIFILM CorporationInventors: Ryo Nakamura, Atsushi Matsuura, Tsuyoshi Hirokawa
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Patent number: 10498272Abstract: A field circuit includes a positive pole side switching element which is for controlling field current that flows in a field winding and a negative pole side switching element which is for interrupting the field current; a field circuit control section includes a field high-speed interruption determination block and a field current interruption speed control block; and at the time of interrupting the field current at a high speed, the field current is interrupted immediately by turning OFF both switching elements of the positive pole side and the negative pole side and interruption speed of the field current is controlled by intermittently driving the negative pole side switching element.Type: GrantFiled: November 2, 2017Date of Patent: December 3, 2019Assignee: Mitsubishi Electric CorporationInventors: Takanori Matsunaga, Ryo Nakamura, Kenichi Akita
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Patent number: 10494218Abstract: A coating film transfer tool may include a supply reel, a transfer tape, a transfer head, a winding reel, and a power transmitting mechanism. The tool may include a base member having the transfer head and a rotation restraining portion capable of directly restraining rotation of the supply reel. The base member may be rotatably supported between the transfer head and the rotation restraining portion by a base member supporting shaft. The tool may include a resilient restoring mechanism interposed between the base member and the housing. The base member may rotate and restraint of rotation of the supply reel is released when the transfer head is pressed against a transferred surface, and the base member is restored to an original position by the resilient restoring mechanism to restrain rotation of the supply reel when pressing of the transfer head is released.Type: GrantFiled: June 25, 2015Date of Patent: December 3, 2019Assignee: Tombow Pencil Co., Ltd.Inventor: Ryo Nakamura
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Publication number: 20190322782Abstract: Provided are vinyl polymer microparticle which can reduce an average volume of the microparticles dropping off from a film surface while reducing the friction of the film. The vinyl polymer microparticles satisfy the following (1) to (3): (1) a coefficient of variation of particle sizes is 30% or more on a volume basis; (2) a proportion of vinyl polymer microparticles having a particle size of 1.7 times or more and 2.5 times or less a volume average particle size is 0.040% or less on a number basis; and (3) a volume average particle size is 3.7 ?m or more.Type: ApplicationFiled: April 18, 2019Publication date: October 24, 2019Applicant: NIPPON SHOKUBAI CO., LTD.Inventors: Ryo NAKAMURA, Yasutaka NAKATANI, Yoichi IGAWA, Erina HANAI
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Publication number: 20190253012Abstract: Provided is a control device for an electric generator/motor, which includes an armature winding and a field winding, the control device including: a bridge circuit configured to energize the armature winding; a field circuit configured to energize the field winding; and an energization control unit configured to control the energization of the bridge circuit and the field circuit. The energization control unit is configured to perform, when performing switching between a generation mode and a drive mode in response to an external command to control the electric generator/motor, control on a current supply amount for the field winding, and vector control on a current supply amount for the armature winding so as to compensate for a variation in field current.Type: ApplicationFiled: November 2, 2016Publication date: August 15, 2019Applicant: Mitsubishi Electric CorporationInventors: Tomohiro SEKI, Yuya HISANO, Ryo NAKAMURA
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Publication number: 20190195315Abstract: A transmission belt is formed by a plurality of elements each having: a body portion including a saddle surface that contacts an inner peripheral surface of an endless ring and a pair of pillar portions that are extended outward in the radial direction of the transmission belt from both lateral sides of the saddle surface; a first surface that is formed on one side of the body portion in the circumferential direction of the transmission belt and a second surface that is formed on the other side of the body portion in the circumferential direction of the transmission belt; and rocking edge portions that are formed at both lateral ends of the first surface so as to be separated from each other and that act as a fulcrum when adjacent ones of the elements contact each other and rotate relative to each other.Type: ApplicationFiled: May 18, 2017Publication date: June 27, 2019Applicant: AISIN AW CO., LTD.Inventors: Akira OCHI, Yuki SATO, Takayuki MIYAKE, Ryo NAKAMURA, Junichi TOKUNAGA
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Publication number: 20190154112Abstract: A power transfer belt that includes a plurality of elements; and a ring that binds the plurality of elements annularly, wherein: the power transfer belt is wound in V grooves of a pair of pulleys of a continuously variable transmission to transfer power, the elements each have a saddle surface that contacts the ring, a pair of pillars that extend from both sides of the saddle surface in a width direction in a direction from an inner peripheral side toward an outer peripheral side of the ring, and a pair of side surfaces formed so as to extend away from each other from the inner peripheral side toward the outer peripheral side of the ring.Type: ApplicationFiled: November 24, 2016Publication date: May 23, 2019Applicant: AISIN AW CO., LTD.Inventors: Akira OCHI, Kenji KAWANO, Yuki SATO, Ryo NAKAMURA, Junichi TOKUNAGA, Masashi HATTORI
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Publication number: 20190154113Abstract: A transfer belt wound between a primary pulley and a secondary pulley of a continuously variable transmission, the transfer belt including: a plurality of elements, each of which has a body that includes a saddle surface and a pair of pillars that extend toward a radially outer side of the transfer belt from both sides of the saddle surface in a width direction; and a bind ring that binds the plurality of elements annularly with an inner peripheral surface of the bind ring contacting the saddle surface of each of the plurality of elements.Type: ApplicationFiled: February 7, 2017Publication date: May 23, 2019Applicant: AISIN AW CO., LTD.Inventors: Yuki SATO, Kenji KAWANO, Akira OCHI, Ryo NAKAMURA, Takayuki MIYAKE, Junichi TOKUNAGA, Masashi HATTORI