4584 patents
Utility
Axial-flow fan, and outdoor unit for air-conditioning apparatus
16 Jan 24
An axial-flow fan includes a hub that is to be rotated and defines a rotation axis, and a vane provided on a circumference of the hub.
Katsuyuki Yamamoto, Takahide Tadokoro
Filed: 2 Sep 20
Utility
Headlight for vehicle
16 Jan 24
A headlight includes multiple semiconductor light sources arranged in a line, and an optical system including an integral-type optical member to form a predetermined light distribution by using light outputted by the multiple semiconductor light sources, wherein the integral-type optical member has an incidence surface portion, a cutoff line formation portion, a reflection surface portion and an exit surface portion, the incidence surface portion, the cutoff line formation portion, the reflection surface portion and the exit surface portion are arranged in order in such a way as to be along an optical path in the optical system, the exit surface portion has a uniform vertical curvature, and a horizontal illumination area is controlled by the reflection surface portion and a vertical illumination area is controlled by the exit surface portion.
Junichi Imagi
Filed: 29 Nov 19
Utility
Outdoor unit of air-conditioning apparatus
16 Jan 24
An outdoor unit of an air-conditioning apparatus includes: a housing; a heat exchanger provided in the housing; an electric component box provided in the housing; and a separator that partitions the inside of the housing into a first chamber and a second chamber.
Masaya Yamasuso, Yohei Kawaguchi
Filed: 8 Apr 19
Utility
Motor drive apparatus, blower, compressor, and air conditioner
16 Jan 24
A motor drive apparatus includes a reactor, a converter connected to an alternating current power supply via the reactor, a smoothing capacitor connected between output terminals of the converter, and an inverter that converts a direct current voltage output from the smoothing capacitor into an alternating current voltage to be applied to a motor and outputs the alternating current voltage.
Kazunori Hatakeyama, Keisuke Uemura
Filed: 30 Aug 19
Utility
Refrigeration cycle apparatus
16 Jan 24
A refrigeration cycle apparatus includes a refrigeration cycle circuit, a bypass flow path, a first valve provided in the refrigeration cycle circuit, a second valve provided at the bypass flow path, a first temperature sensor configured to detect a temperature of an indoor space, a second temperature sensor configured to detect a temperature of refrigerant on a liquid side of an indoor heat exchanger, and a notification part.
Yasutaka Ochiai, Kazuhiro Komatsu, Nobuaki Tasaki
Filed: 1 Aug 19
Utility
Vehicle positioning device
16 Jan 24
The present invention is related to a vehicle positioning device being connected to a first sensor outputting satellite positioning data, and a second sensor detecting a state amount of a vehicle and outputting the state amount as state amount data, and being connected to at least one of a third sensor detecting a terrestrial object and outputting data of a relative relationship between the terrestrial object and the vehicle, and a fourth sensor detecting a road line shape and outputting road line shape data.
Shota Kameoka, Rin Shinomoto
Filed: 4 Apr 19
Utility
Locator, accuracy evaluation system therefor, and positioning method
16 Jan 24
In a locator, a data synchronization unit calculates an interpolated value for autonomous sensor data which corresponds to a time of latest GNSS data.
Masashi Kido, Tadatomi Ishigami, Masatoshi Fujii, Kohei Fujimoto, Ryusuke Kinoshita
Filed: 13 May 19
Utility
Radar device and signal processing method
16 Jan 24
A radar device includes: a signal transmission unit for generating a MIMO signal including a plurality of pulse signals, and radiating the MIMO signal into space; a signal reception unit for receiving a reflection signal resulting from reflection, by a target, of the MIMO signal radiated from the signal transmission unit; a demodulation unit for demodulating the MIMO signal from the reflection signal received by the signal reception unit; a beam-forming unit for forming beams in a plurality of different directions, by multiplying the plurality of pulse signals included in the MIMO signal demodulated by the demodulation unit by a respective plurality of different weighting coefficients; a control unit for changing noise power included in each of the beams in the plurality of directions formed by the beam-forming unit, by shifting a phase of the MIMO signal generated by the signal transmission unit and adjusting the plurality of weighting coefficients on the basis of an amount of phase shift of the phase; and a target detection unit for detecting the target from each of the beams in the plurality of directions formed by the beam-forming unit.
Kentaro Isoda
Filed: 4 Mar 21
Utility
Diffuser and lighting device
16 Jan 24
Yusuke Fujii, Satoru Okagaki
Filed: 4 Feb 20
Utility
Using an imaging device to correct positioning errors
16 Jan 24
A control device controls a control target apparatus including a moving part and an imaging device.
Akio Saito, Hiroyuki Sekiguchi, Takeyuki Kawata
Filed: 9 Jan 19
Utility
Elevator door control system
16 Jan 24
An elevator door control system comprises a door sensor, a door motor control unit, a transmission unit being wired by a cable as part of or all of a transmission path between the door sensor and the door motor control unit, a storage unit to store a change in a binary signal indicating detection of an obstacle in association with a door position at a time of the change in the binary signal.
Kazuhiro Yamada
Filed: 30 Mar 20
Utility
Noise reduction element
16 Jan 24
A noise reduction element includes a protruded portion on which a bent portion of a conductive wire is hooked, and a winder portion around which both a first conductive wire portion extending in one direction from the bent portion of the conductive wire hooked on the protruded portion and a second conductive wire portion extending in another direction from the bent portion of the conductive wire hooked on the protruded portion are wound in a state where the first and second conductive wire portions are parallel to each other.
Ayumi Sakai, Yosuke Watanabe, Yuichi Sasaki
Filed: 20 Oct 21
Utility
Vacuum circuit breaker
16 Jan 24
A vacuum circuit breaker includes: an insulating rod disposed within a grounded tank; a drive conductor connected to the insulating rod; a first bushing and a second bushing connected to the side of the grounded tank; vacuum valves including movable contacts; levers rotatably coupled at end portions on one side to the insulating rod or the drive conductor; movable conductors electrically connected at end portions on one side to the movable contacts; and links rotatably coupled at end portions on one side to the end portions on the other side of the movable conductors and rotatably coupled at end portions on the other side to the end portions on the other side of the levers.
Yuji Yoshitomo, Kazuki Sugino
Filed: 7 Jun 19
Utility
Semiconductor device including IGBT, boundary, and diode regions
16 Jan 24
Provided is a semiconductor device in which a first anode layer and a first contact layer are provided on a first main surface side in a diode region, and in which a second anode layer and a second contact layer are provided on the first main surface side in a boundary region.
Tetsuya Nitta, Munenori Ikeda, Shinya Soneda
Filed: 26 Apr 21
Utility
Semiconductor device including resin case having groove at corner thereof
16 Jan 24
An object of the present disclosure is to provide a technique capable of relaxing the stress to be applied around the attachment hole of the resin case at the time of fixing the resin case accommodating the semiconductor element to the heat dissipation component with a bolt.
Takuro Mori, Masaru Furukawa, Takamasa Oda, Seiji Saiki
Filed: 28 Aug 20
Utility
Semiconductor device including bond pad with fixing parts fixed onto insulating film
16 Jan 24
Provided here are: an electrically-conductive semiconductor substrate with which a semiconductor circuit is formed; an insulating film deposited on a major surface of the electrically-conductive semi-conductor substrate; and a bonding pad having fixing parts fixed onto the insulating film, side wall parts rising up from the fixing parts, and an electrode part connected to the side wall parts and disposed in parallel to the major surface; wherein the electrode part forms, together with the insulating film, a gap region therebetween, and portions of the electrode part where it is connected to the side wall parts are configured to have at least one of: a positional relationship in which they sandwich therebetween a central portion of the electrode part in its bonding region to be bonded to a bonding wire; and a positional relationship in which they surround the central portion.
Yasuki Aihara
Filed: 6 Mar 19
Utility
Semiconductor device
16 Jan 24
Tsuyoshi Osaga
Filed: 8 Oct 19
Utility
Electronic device using graphene, manufacturing method for the device, and electromagnetic wave detector including the device
16 Jan 24
The manufacturing method for the electronic device using graphene includes: forming a catalytic metal, forming a catalytic metal, forming a passivation film so as to expose upper surfaces of the catalytic metal and the catalytic metal, forming a graphene layer on the catalytic metal and catalytic metal that are exposed, forming a insulation film so as to cover the graphene layer, forming a substrate on the insulation film, and removing the catalytic metal.
Masaaki Shimatani, Shimpei Ogawa, Shoichiro Fukushima
Filed: 9 Jan 19
Utility
Optical transceiver, transmission signal determination method, and optical communication system
16 Jan 24
An optical transceiver includes processing circuitry to calculate, when test signals are sent to a transmission line from a transmitter and a receiver receives the test signals having passed through a wavelength filter, a bandwidth of the received test signals, the transmitter generating, as the test signals, a collection of narrowband signals, the narrowband signals having a narrower bandwidth than a bandwidth of the wavelength filter and having different frequencies, and the wavelength filter included in an optical splitter inserted in the transmission line, and the collection of narrowband signals including a narrowband signal having a higher frequency than a highest frequency in the bandwidth of the wavelength filter and a narrowband signal having a lower frequency than a lowest frequency in the bandwidth of the wavelength filter, and to determine a modulation rate and a modulation level of the transmission signal depending on the calculated bandwidth.
Masashi Binkai, Tsuyoshi Yoshida
Filed: 14 Jul 22
Utility
Encryption device, decryption device, encryption method, decryption method, and computer readable medium
16 Jan 24
A division unit (22) divides a plaintext M every b bits from a beginning, thereby generating b-bit values M1, . . . , Mm-1 and a value Mm having 1 or more bits to b or less bits.
Yusuke Naito
Filed: 15 Jun 22