4584 patents
Page 12 of 230
Utility
Power conversion device
17 Oct 23
A power conversion device converts a direct-current power on the DC side of the power conversion device to an alternating-current power by an inverter circuit having a plurality of semiconductor switching elements, and outputs the AC power from the AC side of the power conversion device.
Takeshi Amimoto, Kikuo Izumi, Tatsuya Okuda, Tomoaki Kimura
Filed: 9 Jan 19
Utility
Power converter with cooler and reactor with winding around a core
17 Oct 23
A power converter is provided that includes a reactor that is improved in effect of cooling a core and a winding.
Yasushige Mukunoki, Takeshi Horiguchi, Kimiyuki Koyanagi
Filed: 15 Nov 18
Utility
Motor drive system
17 Oct 23
A motor drive system includes motor drive control devices supplying first and second powers to first and second coils, respectively.
Shoya Kitagawa, Yuji Igarashi
Filed: 24 May 21
Utility
Comparator, oscillator, and power converter
17 Oct 23
A differential amplifier circuit generates a first current and a second current having a current difference obtained by amplifying a voltage difference between an input voltage and a reference voltage.
Tomokazu Kojima, Yuhei Morimoto
Filed: 24 Aug 21
Utility
Communication device, communication method, and recording medium
17 Oct 23
A communication device communicates, in a first cycle, with sensors connected through a network to acquire, from the sensors, measurement data measured by the sensors in data acquisition cycles longer than or equal to the first cycle and store the data in a storage.
Takayuki Sawada, Satoshi Namematsu
Filed: 31 Mar 20
Utility
Communication system
17 Oct 23
Radio resource management is simplified when a cell is spatially separated by a plurality of radio beams.
Tadahiro Shimoda, Mitsuru Mochizuki
Filed: 28 Dec 17
Utility
Positioning apparatus and augmentation information generation apparatus
17 Oct 23
A first bias conversion unit converts, based on a first frequency and a second frequency, a signal bias related to carrier phase for correcting a carrier phase contained in a first ranging signal having the first frequency, to a signal bias related to carrier phase for correcting a carrier phase contained in a second ranging signal having the second frequency.
Norizumi Motooka, Yuki Sato, Takamasa Kawaguchi, Yuichi Hagito, Masayasu Fujita
Filed: 16 Oct 20
Utility
In-vehicle camera
17 Oct 23
A camera and a bracket are configured to form: a snap-fit joint mechanism that establishes a snap-fit joint therebetween; a pressing mechanism that performs pressing, by way of a snap-fit claw, in a direction in which an interval between a mounting face and an opposite face is increased; and a holding mechanism that holds the interval between the opposite face and the mounting face against that pressing; wherein, on the snap-fit claw, a sub engagement face is created which has an inclination with respect to an insertion direction that is less than that of a main engagement face and serves to convert a part of a force at the pressing to a force in the insertion direction.
Tetsuya Oba, Masahiro Kanamaru
Filed: 8 May 19
Utility
Tactile presentation control apparatus, tactile presentation panel, tactile presentation touch panel, and tactile presentation touch display
17 Oct 23
An object of the present disclosure is to provide a tactile presentation control apparatus that can provide an operation feeling of a dial knob that allows intuitive operation by a tactile sense of the user, and is user-friendly.
Tae Orita, Akira Yamashita, Yoshinori Ueno, Mitsuru Sakai, Naoki Numata, Yuki Furumoto, Tsuyoshi Sempuku, Yuichi Sasaki
Filed: 26 Dec 19
Utility
Display
17 Oct 23
A display includes: a monitor that includes an input/output region and performs haptic feedback when detecting an input from an operator while an image is displayed, the input/output region being obtained by superimposing a first region for displaying an image, a second region including a plurality of input detection regions each for detecting an input from an operator, and a third region including a plurality of haptic feedback regions each for performing haptic feedback to the operator; and a data processor that determines a haptic output value in each of the plurality of haptic feedback regions on the basis of image data of an image being displayed on the first region and a detection result of an input from an operator in each of the plurality of input detection regions.
Koichi Orito
Filed: 29 May 20
Utility
Secret search system and secret search method
17 Oct 23
A secret search system is configured to generate a search key TDv in which a position of each character of a search character string is specified and set, and to search for, from among a plurality of encrypted tags ETx in which a position of each character of a character-string-to-be-searched is specified and set, an encrypted tag ETx corresponding to the generated se arch key TDv.
Kenichiro Hayasaka, Yutaka Kawai
Filed: 29 Apr 21
Utility
Operation support device and operation support method
17 Oct 23
An operation support device includes a computation unit that: calculates cost of separation treatment that depends on deterioration of a separation membrane using a cleaning efficiency model expressing deterioration of the separation membrane relative to the number of cleaning events, the separation membrane being configured to remove removal target from sewage; calculates operation cost using the cost of separation treatment, cleaning cost for one cleaning event for the separation membrane, and replacement cost for one replacement event for the separation membrane; determines, based on the operation cost, a first reference value used for determining whether to clean the separation membrane and a second reference value used for determining whether to replace the separation membrane; and calculates cleaning schedule and replacement schedule for the separation membrane using the first reference value and the second reference value determined.
Natsumi Hatta, Takumi Suda, Eiji Imamura, Wataru Yoshida
Filed: 11 Jun 19
Utility
Object recognition device and object recognition method
17 Oct 23
An object recognition device is configured to: classify, under a state in which not all object data in a detection data group have been received and a part of the object data have been received by a current processing time, the part of the object data into pieces regarded as ready for association determination and pieces not regarded as ready for the association determination, to thereby associate the object data regarded as ready for the association determination and the prediction data individually with each other and set, as pending object data, the object data not regarded as ready for the association determination; and associate, under a state in which the remaining object data in the detection data group have been received by the next processing time after the current processing time, the remaining object data and the pending object data individually with the prediction data.
Masanori Mori, Noriyoshi Yamashina, Koji Iida, Shinichi Tateiwa
Filed: 6 Feb 19
Utility
Computational puzzles against dos attacks
10 Oct 23
A method for transmitting data in a computer network is provided, which comprises, at a first node of the network: receiving a computing puzzle from a puzzle server node of the network distinct from the first node; determining a solution to the puzzle for transmitting a message to a second node of the network distinct from the puzzle server node; and transmitting data to the second node, wherein the transmitted data comprises a message and the determined solution to the puzzle.
Romain Rollet
Filed: 30 Jan 20
Utility
Composite printed wiring board and method of manufacturing the same
10 Oct 23
A composite printed wiring board that allows for reflow heating for mounting electronic components using solder includes a first printed wiring board, an intermediate member, a second printed wiring board, and a bonding layer.
Takamichi Kono, Hitoshi Arai, Tatsuya Sakamoto
Filed: 26 Mar 20
Utility
Expansion base unit, control device, control system, and control method
10 Oct 23
An expansion base unit includes an input connector communicatively connectable with a cable to a connector in a previous base unit to allow receipt of a signal from the previous base unit, and a plurality of output connectors that each are communicatively connectable with a cable to a connector of a plurality of connectors in a subsequent expansion base unit to allow transmission of the signal received by the input connector to the subsequent expansion base unit.
Koichi Shinkai
Filed: 19 May 20
Utility
Information processing device
10 Oct 23
An information processing device acquires related information related to support information for supporting safe driving of a vehicle transmitted from the vehicle to one or more apparatuses among a roadside unit, another vehicle, and a mobile terminal device, and calculates a score of an owner of the vehicle based on the related information.
Akio Kamimurai, Masashi Mori, Katsuyuki Sumimoto
Filed: 17 Jan 19
Utility
Semiconductor device and power converter
10 Oct 23
A semiconductor device includes: a circuit member including a planar portion; a terminal portion formed above the front surface of the planar portion of the circuit member and parallel to the planar portion; a semiconductor element which has an upper surface located below an upper surface of the terminal portion and is formed on the front surface of the planar portion of the circuit member; a resin layer arranged on the semiconductor element and having first openings through which the semiconductor element is exposed; a conductive layer arranged on the resin layer, including an upper surface located above the upper surface of the terminal portion, and joined to the semiconductor element through the first openings; and a sealing member including an upper surface parallel to the planar portion and integrally sealing the circuit member, the semiconductor element, the resin layer, the conductive layer, and part of the terminal portion.
Hodaka Rokubuichi, Seiki Hiramatsu, Shota Morisaki, Shinya Yano
Filed: 3 Dec 18
Utility
Semiconductor device
10 Oct 23
A semiconductor device includes: an insulating substrate; a first semiconductor element connected to the insulating substrate; a conductive member disposed on the insulating substrate, and including a first opposing portion and a second opposing portion located opposite each other with respect to the first semiconductor element in plan view; a first wire connected to the first semiconductor element and the first opposing portion; and a second wire connected to the first semiconductor element and the second opposing portion, and located opposite the first wire with respect to a connection point where the first wire and the first semiconductor element are connected to each other in plan view.
Takuya Kitabayashi, Hiroyuki Masumoto
Filed: 12 Jul 21
Utility
Power converter
10 Oct 23
To provide a power converter which can distribute heat generation of the switching devices with good accuracy, even when the maximum heating phase of the positive electrode side and the maximum heating phase of the negative electrode side are different phases, and even when the maximum heating phase of the positive electrode side and the maximum heating phase of the negative electrode side changes before and after combining the offset voltage.
Hiroya Natsuhara, Yoshihiko Kimpara, Isao Kezobo, Tatsuya Mori, Akira Furukawa
Filed: 18 Apr 18