10900 patents
Page 9 of 545
Utility
Power Conversion Device and Air Conditioner
21 Dec 23
A power conversion device supplies power to a load.
Kenji IWAZAKI, Mamoru KAMIKURA, Kazunori SAKANOBE, Koji RIKUKAWA
Filed: 24 Dec 20
Utility
Semiconductor Device and Power Conversion Apparatus
21 Dec 23
A semiconductor device includes a plurality of trenches penetrating through a source region and a base region, and a mesa region as a region between two of the plurality of trenches.
Katsutoshi SUGAWARA, Yutaka FUKUI, Kohei ADACHI, Kazuya ISHIBASHI
Filed: 11 Apr 23
Utility
Antenna Structure, and Antenna Production Method
21 Dec 23
An antenna structure (1) includes a structure surface that is a face including a radio wave emitting face including an antenna element (3), a plurality of structure side faces that are faces in contact with the structure surface, and a structure back face that is a face opposite to the structure surface and in contact with the plurality of structure side faces.
Yohei ITO, Takeshi SHIODE
Filed: 18 Nov 20
Utility
Electric Motor
21 Dec 23
An electric motor includes a shaft supported rotatably about a rotation axis, a rotor located outward from the shaft in a radial direction of the shaft and rotatable integrally with the shaft, a stator facing the rotor in the radial direction, and a first bracket including an inlet to draw air into the electric motor from outside.
Kenta KANEKO, Seiji HAGA
Filed: 24 Dec 20
Utility
Semiconductor Apparatus and Method for Manufacturing the Semiconductor Apparatus
21 Dec 23
A semiconductor manufacturing apparatus according to the present disclosure is configured such that a first resin heat dissipation material directly or indirectly contacts a heat dissipation surface of a semiconductor device having a low heat dissipation property.
Kazuki TAKAKURA
Filed: 30 Dec 22
Utility
Doherty Amplifier
21 Dec 23
A Doherty amplifier according to the present disclosure includes an input terminal, an output terminal, a carrier amplifier connected between the input terminal and the output terminal, a peak amplifier connected in parallel to the carrier amplifier between the input terminal and the output terminal, a first input matching circuit connected between the input terminal and the carrier amplifier and a second input matching circuit connected between the input terminal and the peak amplifier, wherein the carrier amplifier and the peak amplifier output signals toward outside in directions opposite to each other.
Jun TAKASO
Filed: 7 Apr 21
Utility
Rotary Electric Machine
21 Dec 23
Provided is a rotary electric machine that can reduce torque ripple.
Takayuki IIDA, Yoshihiro Miyama
Filed: 20 Apr 23
Utility
Receiving Apparatus, Transmitting Apparatus, Control Circuit, Storage Medium, Reception Method, and Transmission Method
21 Dec 23
A receiving apparatus that receives a signal modulated by a frequency modulation scheme, using a plurality of receiving antennas includes an FSK modulation-compatible interference extraction unit that extracts, from a plurality of reception signals received by the plurality of receiving antennas, interference signals that are frequency components other than frequency components of desired signals at which power is concentrated, a complex weight calculator that calculates a complex weight of each reception signal, on the basis of the same number of the interference signals as the number of the receiving antennas, and a complex weight multiplication and combining unit that multiplies each of the plurality of reception signals by the corresponding complex weight, and combines the reception signals that have been multiplied by the complex weights.
Akinori NAKAJIMA, Masatsugu HIGASHINAKA
Filed: 30 Aug 23
Utility
Power Converter, Motor Driver, and Refrigeration Cycle Applied Equipment
21 Dec 23
A power converter includes a converter, a smoothing capacitor, an inverter, and a single calculator.
Keisuke UEMURA, Tomohiro KUTSUKI, Haruka MATSUO, Koichi ARISAWA, Takaaki TAKAHARA, Kenji TAKAHASHI, Koyo MATSUZAKI
Filed: 6 Jan 21
Utility
Reactive Power Compensation Device
21 Dec 23
A reactive power compensation device includes a power converter and a converter control unit, and compensates reactive power of an AC power grid by output reactive power of the power converter.
Kaho MUKUNOKI, Toshiyuki FUJII, Akihiro MATSUDA, Ryota OKUYAMA
Filed: 21 Oct 20
Utility
Electric Motor Drive Device and Refrigeration Cycle Application Device
21 Dec 23
An electric motor drive device includes a booster circuit, an inverter, a connection switching device, and first and second control devices.
Koyo SHIMIZU, Shinya TOYODOME
Filed: 25 Feb 21
Utility
Electric Rotating Machine
21 Dec 23
An insulating bobbin to be mounted on a stator core has a tooth-endface facing portion that faces an endface portion, in an axial direction, of the tooth portion and a tooth-side-surface facing portion that faces a tooth side surface portion, in a circumferential direction, of the tooth portion; the tooth-side-surface facing portion has a first abutting area that abuts on the tooth side surface portion, a second abutting area that abuts on the tooth side surface portion at a more outer side in a radial direction than the first abutting area abuts thereon, and a middle inner wall surface portion that is situated between the first abutting area and the second abutting area and faces the tooth side surface portion via a space.
Naohiro MOTOISHI, Fumitaka TOTSUKA, Yosuke SUGINO
Filed: 28 Oct 22
Utility
Controller for Rotary Electric Machine and Electric Power Steering Apparatus
21 Dec 23
To provide a controller for rotary electric machine and an electric power steering apparatus which can increases decreases an increase amount of the current of d-axis in the negative direction appropriately, and can perform the weakening magnetic flux appropriately, irrespective of increase and decrease in the rotational angle speed, without using the information on the inductance and the interlinkage flux of the rotor.
Jun KITAGAWA, Tatsuya MORI, Masahiko ORII, Kenta KUBO, Kenta SAWADA
Filed: 30 Nov 20
Utility
Image Reading Device
21 Dec 23
An image reading device (100) includes a lens array (4), a light receiver (6), and at least one light blocking member.
Hideki MATSUI, Daisuke FUKUI, Hiroyuki KAWANO
Filed: 9 Dec 21
Utility
Image Reading Device
21 Dec 23
The present disclosure relates to an image reading device having a highly-accurate structure that enables an easy increase in depth of field, that is, improvement in the depth of the field, without need for a change in basic characteristics of lenses.
Hironobu ARIMOTO, Kazuya MAKABE, Daisuke FUKUI, Koki TAKASAKI
Filed: 1 Jun 21
Utility
Obstacle detection device and obstacle detection method
19 Dec 23
An obstacle detection device installed in a train includes: a sensor that monitors surroundings of the train and generates a range image that is a result of monitoring; a storage unit that stores map information including position information of structures installed along a railroad track on which the train travels; a correction unit that corrects, using the range image acquired from the sensor and the map information stored in the storage unit, first train position information that is information acquired from a train control device and indicates a position of the train, and outputs second train position information that is a result of correction; and a monitoring condition determination unit that determines a monitoring range of the sensor using the second train position information and the map information.
Naoki Ueda, Akira Nakanishi, Yoshitsugu Sawa, Emiko Kurata
Filed: 8 Feb 18
Utility
Touch panel and display apparatus including touch panel
19 Dec 23
A touch panel includes a base substrate, a cover panel, a first electrode formed outside of a display region on a back surface of the cover panel, and a second electrode formed outside of the display region on a front surface of the base substrate.
Kageyasu Miyahara, Seiichiro Mori, Yusuke Shimasaki, Takeshi Ono, Tae Orita
Filed: 3 Feb 21
Utility
Silicon carbide semiconductor device and method of manufacturing same
19 Dec 23
A drift layer is made of silicon carbide and has a first conductivity type.
Rina Tanaka, Katsutoshi Sugawara, Yutaka Fukui, Hideyuki Hatta, Yusuke Miyata
Filed: 10 Dec 18
Utility
Power conversion device with control circuit to adjust a common mode voltage of combined output voltages
19 Dec 23
A three-phase multilevel inverter is connected to a first direct-current voltage source having a first voltage.
Masahiro Sugahara, Kenji Fujiwara, Akihiko Iwata, Hisatoshi Fukumoto
Filed: 14 Feb 19
Utility
Three-level power conversion device
19 Dec 23
A first leg includes a first switch circuit disposed between a first node to which a positive electrode of a DC power supply is connected and a second node and a second switch circuit disposed between the second node and a third node.
Takeshi Amimoto, Yu Kawai
Filed: 4 Jul 19