Patents by Inventor Koichi Nakamura
Koichi 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).
-
Publication number: 20250043561Abstract: A siphon jet flush toilet comprises: a bowl; a rim spout port suppling flush water to the bowl; a discharge trap conduit; a jet spout port spouting flush water toward an inlet of the discharge trap conduit; a reservoir tank including a jet spouting discharge valve and storing flush water; a jet water conduit configured to guide the flush water in the reservoir tank to the jet spout port; and a controller being configured to control a rim spouting in which the flush water is spouted from the rim spout port and a jet spouting in which the flush water is spouted from the jet spout port, wherein the jet spouting discharge valve includes a valve body, the valve body being arranged at a position that is lower than an upper surface of the bowl and higher than a seal water level, and before opening the jet spouting discharge valve, the flush water is supplied to the jet water conduit.Type: ApplicationFiled: July 22, 2024Publication date: February 6, 2025Inventors: Koichiro MATSUMURA, Takumi TSUCHITANI, Kenichi NAKAMURA, Hiroshi HASHIMOTO, Chisato SONE, Shinichi URATA, Daisuke YAMAMOTO, Koichi MOTOOKA, Kenji HATAMA
-
Patent number: 12202611Abstract: An aerial vehicle safety apparatus includes a safety mechanism, a drive mechanism, an ejection mechanism, and a control mechanism. The safety mechanism is used for securing safety of at least one of an aerial vehicle and an object outside the aerial vehicle. The drive mechanism includes at least one drive unit serving as a drive source of the safety mechanism. The ejection mechanism ejects the drive mechanism together with the safety mechanism. The control mechanism controls operations of the drive mechanism for the drive mechanism to drive the safety mechanism after the ejection mechanism starts ejection of the safety mechanism.Type: GrantFiled: November 15, 2022Date of Patent: January 21, 2025Assignee: NIPPON KAYAKU KABUSHIKI KAISHAInventors: Yasuhiko Yagihashi, Hiroshi Nakamura, Koichi Sasamoto, Dairi Kubo, Takahiro Ooi
-
Publication number: 20240417314Abstract: To provide a glass composition for glass fiber that can obtain glass fiber which includes biosolubility, which can achieve long fiber formation, and which can include a low dielectric tangent. The glass composition for glass fiber of the present invention includes SiO2 in the range of 36.0% by mass or more and less than 48.0% by mass, B2O3 in the range of 18.0% by mass or more and 32.0% by mass or less, Al2O3 in the range of 12.0% by mass or more and 24.0% by mass or less, P2O5 in the range of 2.5% by mass or more and 8.9% by mass or less, and CaO and MgO in the range of 5.0% by mass or more and 13.0% by mass or less in total, with respect to the total amount.Type: ApplicationFiled: October 31, 2022Publication date: December 19, 2024Inventors: Jun ITO, Tadashi KURITA, Koichi NAKAMURA, Takashi NONAKA, Norio HIRAYAMA, Hidero UNUMA
-
Publication number: 20240417315Abstract: A glass composition for glass fibers including 50.0 to 70.0% by mass of SiO2, 10.0 to 30.0% by mass of Al2O3, 8.0 to 25.0% by mass of ZnO, 0.0 to 8.0% by mass of MgO, 0.0 to 5.0% by mass of CaO, 0.0 to 8.0% by mass of P2O5, 0.0 to 2.5% by mass of TiO2, and 0.0% by mass or more and less than 1.0% by mass in total of Li2O, Na2O, and K2O, and when the contents of SiO2, Al2O3, ZnO, MgO, CaO, and P2O5 are defined as S, A, Z, M, C, and P, respectively, (M+C)/Z is 0.46 or less and the S, A, and P satisfy the following formula (1-1): 28.0?{(S?P)×(A?P)}1/2?36.9 . . . (1-1).Type: ApplicationFiled: April 5, 2023Publication date: December 19, 2024Inventors: Ryo NISHIKUBO, Tatsuya KOMUKAI, Tadashi KURITA, Koichi NAKAMURA, Takashi NONAKA
-
Patent number: 12037059Abstract: In a steering control device, a plurality of control systems is configured to switch a drive mode to a cooperative drive mode when command values calculated by control units of the control systems are not different from each other and to switch the drive mode to an independent drive mode when the command values calculated by the control units of the control systems are different from each other. The control systems are configured to gradually limit the command values respectively calculated by the control units of the control systems when a start switch of a vehicle has been turned off. The control systems are configured to switch the drive mode to the independent drive mode regardless of whether the command values calculated by the control units of the control systems are different from each other when the start switch has been turned off while the vehicle is traveling.Type: GrantFiled: March 10, 2022Date of Patent: July 16, 2024Assignees: JTEKT CORPORATION, DENSO CORPORATIONInventors: Satoshi Sugiyama, Koichi Nakamura
-
Publication number: 20240235152Abstract: An optical semiconductor device comprises a semiconductor laser mounted on a bottom portion of a package, a receiving unit that receives a signal light from an outside using local oscillator light output from the laser, and a receiving-unit-mounted substrate on which the receiving unit including a semiconductor light receiving element is mounted. The receiving unit is disposed on a surface on the side opposite to the laser. The light receiving-unit-mounted substrate is a non-transmissive substrate, has a light passing portion through which the local oscillator light output from the laser passes, and covers the bottom portion surrounded by an outer peripheral portion of the package.Type: ApplicationFiled: June 28, 2021Publication date: July 11, 2024Applicant: Mitsubishi Electric CorporationInventors: Koichi NAKAMURA, Keita MOCHIZUKI
-
Patent number: 11964284Abstract: Provided is a method that enables sufficient separation of an egg shell and an egg shell membrane from each other even in a small scale, using a simpler configuration than conventional methods. The method for separating an egg shell and an egg shell membrane from each other includes a step of adding an egg shell with an egg shell membrane attached thereto to a swirling flow of an alkaline solution.Type: GrantFiled: March 10, 2020Date of Patent: April 23, 2024Assignee: BIOAPATITE, INC.Inventors: Keinosuke Kaneshima, Koichi Nakamura, Masahiro Kawamoto
-
Publication number: 20230312394Abstract: To provide a glass composition for glass fiber that includes biosolubility and can achieve long fiber formation. The glass composition for glass fiber of the present invention includes SiO2 in the range of 35.0 to 55.0% by mass, B2O3 in the range of 10.0 to 30.0% by mass, Al2O3 in the range of 14.5 to 30.0% by mass, and CaO and MgO in the range of 8.7 to 25.0% by mass in total, with respect to the total amount, and the content S of SiO2, the content B of B2O3, the content A of Al2O3, the content C of CaO, and the content M of MgO satisfy the following formula (1): 11.3 ? S × C + M / A + B ? 20.Type: ApplicationFiled: December 23, 2021Publication date: October 5, 2023Inventors: Takashi NONAKA, Jun ITO, Takahiro UTSUGI, Koichi NAKAMURA, Norio HIRAYAMA, Hidero UNUMA
-
Patent number: 11704721Abstract: An information processing device obtains order identification information capable of identifying an order placed by an order-placing person, transmits, as payment information, the order identification information, causes a printing process of a print medium to be executed, the print medium being capable of identifying the order identification information and gives, to another information processing device when an additional order placed by the order-placing person is received, an invalidation command which invalidates the order identification information in such a way that a payment with respect to the order identification information on an order not paid yet and placed by the same order-placing person is disabled.Type: GrantFiled: December 27, 2018Date of Patent: July 18, 2023Assignee: Rakuten Group, Inc.Inventors: Koichi Nakamura, Takeshi Yoshimura
-
Patent number: 11685432Abstract: A rotation detector has a first controller that monitors abnormality of a rotation number calculated by a rotation number calculator based on the calculated rotation number and a preset rotation angle. The first controller in a first system is configured to output rotation information calculated by a second controller in a second system upon having determination that the rotation number of the first system has abnormality, for a continuation of the rotation information calculation.Type: GrantFiled: October 9, 2019Date of Patent: June 27, 2023Assignee: DENSO CORPORATIONInventors: Haruo Suzuki, Nobuyori Nakajima, Koichi Nakamura, Go Endoh, Atsuko Oka, Takashi Suzuki, Yosuke Ogi, Shuji Kuramitsu
-
Patent number: 11641746Abstract: A three-dimensional memory device includes a first alternating stack of first insulating layers and first electrically conductive layers located over a substrate, memory stack structures extending through the first alternating stack, a second alternating stack of second insulating layers and second electrically conductive layers located over the substrate and laterally spaced from the first alternating stack, a contact-level dielectric layer overlying the first alternating stack and the second alternating stack, a planar semiconductor material layer bonded to the contact-level dielectric layer and over an area of the second alternating stack, and field effect transistors located on the planar semiconductor material layer and electrically connected to the first electrically conductive layers.Type: GrantFiled: February 25, 2021Date of Patent: May 2, 2023Assignee: SANDISK TECHNOLOGIES LLCInventors: Shunsuke Ohya, Sadao Fukuno, Koichi Nakamura
-
Patent number: 11565744Abstract: A rotary electric machine control device includes multiple drive circuits provided for respective winding sets in a rotary electric machine, and multiple control units. When combinations of the winding sets and configurations provided correspondingly to the respective winding sets are defined as systems, the control units are provided for the respective systems. Each of the control units controls energization of the winding set provided correspondingly, and monitors an abnormality of a monitoring target. Each of the control units performs an abnormality detection time backup control during a period from detection of the abnormality of the monitoring target to confirmation of the abnormality, and performs an abnormality confirmation time backup control when the abnormality is confirmed.Type: GrantFiled: August 7, 2019Date of Patent: January 31, 2023Assignee: DENSO CORPORATIONInventors: Shuji Kuramitsu, Hideki Kabune, Koichi Nakamura, Atsuko Oka, Masaya Taki
-
Patent number: 11554809Abstract: A steering angle detection device includes plural control units and plural steering angle sensors. Each control unit is configured to transmit steering angle information related to a steering angle of a vehicle to an external device and transmit and receive information mutually therebetween. Each steering angle sensor is provided in correspondence to each control unit and configured to output a sensor signal corresponding to a detection value of a change in the steering angle to the corresponding control unit. One of the control units transmits, as a transmission control unit, the steering angle information to the external device at one transmission timing.Type: GrantFiled: October 16, 2019Date of Patent: January 17, 2023Assignee: DENSO CORPORATIONInventors: Atsuko Oka, Shuji Kuramitsu, Koichi Nakamura, Yuki Watanabe, Toshihiro Fujita, Takaharu Kozawa, Shuhei Miyachi, Katsuhiko Hayashi, Masaya Taki, Toshimitsu Sakai
-
Patent number: 11545925Abstract: A rotary electric machine control device for controlling a rotary electric machine having multiple winding sets includes multiple inverter circuits, multiple power supply relays, and multiple controllers provided for respective systems. Each of the controllers is configured to monitor an abnormality of a subject system and an abnormality of a different system and is configured to turn off a power supply relay in the subject system when an abnormality requiring a power supply stop occurs in the subject system. Each of the controllers is further configured to acquire power supply relay information related to a state of the power supply relay of the different system through a signal line, and is configured to monitor the abnormality of the different system based on the power supply relay information.Type: GrantFiled: August 7, 2019Date of Patent: January 3, 2023Assignee: DENSO CORPORATIONInventor: Koichi Nakamura
-
Patent number: 11529990Abstract: An ECU, which is a signal control apparatus, has a plurality of control units, which control one same motor. Steering angle calculation units acquire sensor signals from the angle sensors provided corresponding to the steering angle calculation units, respectively, and calculate the steering angles in correspondence to the sensor signals. The angle FB units perform the angle FB control based on the angle differences, which are between the target angle and the steering angle and between the target angle and the steering angle, respectively. In the angular FB unit of at least one of the control units, the angular feedback control is performed using the angle difference, which is subjected to the correction processing to reduce the error between the detection angle of the own system and the detection angle of the other system calculated by the steering angle calculation unit of the other control unit.Type: GrantFiled: March 11, 2019Date of Patent: December 20, 2022Assignee: DENSO CORPORATIONInventors: Masaya Taki, Toshihiro Fujita, Shuji Kuramitsu, Koichi Nakamura, Toshimitsu Sakai
-
Patent number: 11530992Abstract: A gas detection element for detection of a measurement target gas is provided. The gas detection element includes a gas detection layer including a chemochromic pigment; and a spacer. The spacer is permeable to the measurement target gas, is disposed on a first surface of the gas detection layer, and has an area smaller than an area of the gas detection layer.Type: GrantFiled: August 2, 2018Date of Patent: December 20, 2022Assignee: Nitto Denko CorporationInventors: Namiko Suzuki, Hiroyuki Higuchi, Koichi Nakamura, Masaya Nishigawara, Nahid Mohajeri
-
Patent number: 11518435Abstract: An ECU includes a plurality of motor driving circuits for driving at least one motor, a plurality of computers and a plurality of clock circuits. A first computer, which is at a synchronization signal transmission-side, transmits a synchronization signal to a second computer, which is at a synchronization signal reception-side. The first computer and the second computer execute a plurality of specific periodic processes, which are processes executed at cycle periods (for example, 200 ?s, 400 ?s) of different natural number multiples of a cycle period (for example, 200 ?s) of the synchronization signal and need be synchronized. Each timing of the plurality of specific periodic processes is determined based on one synchronization signal.Type: GrantFiled: March 8, 2019Date of Patent: December 6, 2022Assignee: DENSO CORPORATIONInventors: Masaya Taki, Koichi Nakamura, Toshimitsu Sakai, Nobuyori Nakajima
-
Publication number: 20220380255Abstract: Provided is a novel cured article that enables to expand the use of debris and the like as well as the use of plant biomass. The cured article contains an inorganic material and at least one selected from lignin and cellulose.Type: ApplicationFiled: July 8, 2020Publication date: December 1, 2022Applicants: BIOAPATITE, INC., THE UNIVERSITY OF TOKYOInventors: Yuya SAKAI, Koichi NAKAMURA, Yuki SAKAI, Masahiro KAWAMOTO
-
Patent number: 11479291Abstract: Each of a plurality of microcomputers outputs a motor drive signal, which is generated based on a current command value and a current limit value as a control amount command value and a control amount limit value, to each motor drive circuit. When an OFF determination of an own microcomputer is made, each microcomputer executes first end processing as a first stage of end processing and transmits an OFF determination signal to the other microcomputer. When the OFF determination signal is received from the other microcomputer, each microcomputer determines that the OFF determination has been made and starts second end processing which gradually decreases the current command value or the current control limit value from a present value. When the second end processing is completed and power-off preparation of the own microcomputer and the other microcomputer is completed, each microcomputer executes final end processing for turning off the power supply relay.Type: GrantFiled: December 12, 2019Date of Patent: October 25, 2022Assignee: DENSO CORPORATIONInventors: Go Endoh, Nobuyori Nakajima, Koichi Nakamura, Hiroyasu Otake
-
Patent number: 11472473Abstract: A motor control device is provided with a plurality of power converters and a plurality of microcomputers, and controls driving of a motor that has a plurality of sets of windings. The microcomputers perform initial check of components in respective circuits after activation. The microcomputers prohibit driving of the motor by a circuit determined to be abnormal during the initial inspection. When two or more circuits are determined to be normal in the initial check, the microcomputers start driving of the motor by synchronizing the timing between the two or more circuits determined to be normal. When only one circuit is determined to be normal in the initial check, the microcomputers start driving of the motor by the one circuit determined to be normal.Type: GrantFiled: April 24, 2020Date of Patent: October 18, 2022Assignee: DENSO CORPORATIONInventors: Koichi Nakamura, Nobuyori Nakajima, Masaya Taki