4584 patents
Page 14 of 230
Utility
Semiconductor device
3 Oct 23
A semiconductor device includes: a carrier stored layer; an upper-stage active portion disposed on a first insulating film along an inner wall of an upper portion of a trench penetrating the carrier stored layer, the upper-stage active portion being upper-stage polysilicon connected to a gate electrode; and lower-stage polysilicon disposed on a second insulating film along an inner wall of a lower portion of the trench, the lower-stage polysilicon provided with a third insulating film disposed between the upper-stage active portion and the lower-stage polysilicon.
Kazuya Konishi, Koichi Nishi, Tetsuya Nitta
Filed: 23 Aug 21
Utility
Reflector antenna device
3 Oct 23
A reflector antenna device includes: a primary radiator to radiate a first radio wave in a first frequency band and a second radio wave in a second frequency band lower in frequency than the first frequency band; and a reflector having a reflection face reflecting the first radio wave and the second radio wave radiated by the primary radiator, in which the reflection face of the reflector has a first region including a center point of the reflection face and a second region that is an outer peripheral region of the first region and is provided with a plurality of recesses, and each of the plurality of recesses is configured to allow entrance of the first radio wave, restrict entrance of the second radio wave, and reflect the first radio wave having entered the recess on a bottom face of the recess.
Hiromasa Nakajima, Shinichi Yamamoto, Michio Takikawa, Shuji Nuimura
Filed: 22 Mar 22
Utility
Semiconductor device, semiconductor device manufacturing method, and power converter
3 Oct 23
A semiconductor device includes: a semiconductor substrate in which a cell region, an isolation region being a region which is located outward of the cell region, and a termination region including a guard ring region being located outward of the isolation region and an excess region being a region which is located outward of the guard ring region are defined; an insulating layer covering a top surface of the semiconductor substrate in the isolation region and the termination region; a surface electrode located on a portion of the top surface of the semiconductor substrate and a portion of a top surface of the insulating layer in the cell region and the isolation region; and a waterproof layer covering a portion of the insulating layer exposed from the surface electrode.
Yosuke Nakata
Filed: 8 Jun 22
Utility
Display control device, image display device, display control method, and recording medium to control a light emission amount of a region based on a light source control value for the region
3 Oct 23
In an image display device including a backlight (6) divided into multiple regions, color shift information (CSR, CSB) is generated from a light source control value (BL(i,j)) for each region, the region to which a pixel of interest belongs and regions therearound are taken as reference regions, luminance conversion information is generated from the light source control value for each reference region, color conversion information is generated from the color shift information for each reference region, and an image signal is converted based on the color conversion information and luminance conversion information, so that an output image signal is generated.
Hideki Yoshii
Filed: 18 Mar 19
Utility
Spark coil with the lead terminal between flanges
3 Oct 23
A spark coil includes: a center core; a primary coil disposed on an outer periphery of the center core; a secondary coil disposed on an outer periphery of the primary coil; and an output terminal electrically connected to the secondary coil.
Daisuke Suzuki, Shuji Yamada
Filed: 28 Jan 22
Utility
Endless-track traveling apparatus and traveling body
26 Sep 23
There is provided a planar member having a flat portion that makes contact with the inner circumferential surface of an endless track at a position at a traveling subject side with respect to a virtual straight line that connects a vertex, at the traveling subject side, in the outer circumferential surface of a first pulley and a vertex, at the traveling subject side, in the outer circumferential surface of a second pulley.
Daisuke Mizuno, Yoshihiro Morimoto, Kazuhiko Fukushima, Naoya Kadota, Kazuyuki Tsumagari
Filed: 23 Jan 17
Utility
Power conversion apparatus, motor drive apparatus, blower, compressor, and air conditioner
26 Sep 23
The power conversion apparatus includes a converter circuit that converts an alternating-current voltage output from an alternating-current power supply into a direct-current voltage.
Motoya Suzuki, Satoru Ichiki, Keisuke Uemura, Koichi Arisawa, Kazunori Hatakeyama
Filed: 14 Nov 19
Utility
Lane separation line detection correcting device, lane separation line detection correcting method, and automatic driving system
26 Sep 23
Provided are a lane separation line detection correcting device/method and an automatic driving system for stabilizing the behavior of a vehicle by correcting overestimated curvature information resulting from an erroneous detection of a curvature of a lane separation line.
Takuya Taniguchi, Noritaka Kokido, Koji Iida
Filed: 18 Oct 19
Utility
Air-conditioning system and zonal air-conditioning control method
26 Sep 23
In an air-conditioning system that divides a room to be air-conditioned into a plurality of areas and controls air-conditioning of each of the plurality of areas, a set temperature of an occupied area in which somebody is present is determined as a target temperature of the occupied area.
Kazuyoshi Shinozaki
Filed: 31 Jul 17
Utility
Information processing apparatus, information processing method, information providing system, machine learning device, and inference device
26 Sep 23
An equipment introduction effect analyzer as an information processing apparatus includes: an equipment-related information storage unit that holds equipment data including information on equipment and information on a function and performance included in equipment, and equipment buyer data including information on an effect obtained when an equipment buyer introduces equipment, information on a use environment of the equipment, and information on the purchased equipment; and an evaluation engine unit that generates information on an effect to be provided to a potential equipment buyer based on the information on the effect and the information on the use environment of equipment that are included in the equipment buyer data, and on the basis of information on an environment in which the potential equipment buyer uses the equipment, the equipment buyer data being acquired from the equipment buyer already purchased equipment with a function and performance desired by the potential equipment buyer.
Takehiro Ishiguro
Filed: 5 Mar 20
Utility
Communication device and communication method
26 Sep 23
An object is to share information of detected obstacles on a road among communication devices, using efficient communication.
Takashi Maeda
Filed: 18 Mar 22
Utility
Electric motor, compressor, fan, and refrigerating and air conditioning apparatus
26 Sep 23
An electric motor includes a rotor and a stator.
Koji Yabe, Takanori Watanabe
Filed: 27 Jun 18
Utility
Rotating electrical machine
26 Sep 23
A rotating electrical machine such that positional deviation caused by a part tolerance can be absorbed in an electrical connection between a power conversion device and a rotating electrical machine main body, and size can be reduced without a structure becoming complex, is obtained.
Ryohei Hayashi, Kohei Seike, Mitsuo Sone
Filed: 7 May 18
Utility
Air-conditioning control system for railroad vehicle
19 Sep 23
An air-conditioning control system includes a first inverter that drives a first driving target in accordance with commands received via a first communication network, a second inverter that drives a second driving target in accordance with commands received via the first communication network, a first controller that is capable of controlling the first inverter and the second inverter by transmitting commands via the first communication network, and a second controller that is capable of controlling the first inverter and the second inverter by transmitting commands via the first communication network.
Takashi Hattori, Yasuyuki Miyazaki, Yoshitaka Ono
Filed: 7 May 19
Utility
Monitoring device for electric vehicles
19 Sep 23
A monitoring device for an electric vehicle to monitor a blower for cooling a device installed in an electric vehicle includes: a dq-component separation unit that separates an instantaneous value of a motor current that flows to a motor of the blower into a d-axis current component and a q-axis current component; a mechanical-angle rotation-frequency component extraction unit that extracts a mechanical-angle rotation frequency component from an instantaneous value of the q-axis current component, the mechanical-angle rotation frequency component being a rotation frequency component where a rotation angle of the motor is expressed in a mechanical angle; and an abnormality determination unit that determines whether or not the blower is abnormal on the basis of magnitude of the mechanical-angle rotation frequency component.
Yasutaka Imamura, Yuta Matsumoto, Hisanori Yamasaki
Filed: 4 Jul 17
Utility
Rotor for rotating electric machine
19 Sep 23
Provided is a rotor for a rotating electric machine, which enables suppression of a reduction in output of a rotating electric machine.
Yuki Hidaka, Shohei Fujikura, Taiga Komatsu, Tatsuro Hino
Filed: 21 Aug 19
Utility
Direct current power supply device, motor drive apparatus, blower, compressor, and air conditioner
19 Sep 23
A direct current power supply device 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; an inrush current preventing circuit disposed on a charging path from the alternating current power supply to the smoothing capacitor; a current detection unit detecting direct current representing an operating state on an output side of the converter; a current detection unit detecting power supply current representing an operating state on an input side of the converter; and a control unit receiving the direct current and the power supply current and controlling an operation of the converter.
Kazunori Hatakeyama, Keisuke Uemura
Filed: 30 Aug 19
Utility
Wireless communication device, control circuit, wireless communication method, and storage medium
19 Sep 23
A wireless communication device includes: a plurality of transmitting antennas; a modulation unit that generates a transmission signal transmitted from each of the transmitting antennas by performing frequency-shift keying on a carrier wave on the basis of transmission data; and a mapping unit that is provided in a preceding stage of the modulation unit and allocates carrier waves different from each other to the plurality of transmitting antennas such that a plurality of transmission signals each transmitted from one of the plurality of transmitting antennas are orthogonal to each other.
Yuta Hori
Filed: 1 Dec 21
Utility
Signal specification identification apparatus, control circuit, and program storage medium
19 Sep 23
A signal specification identification apparatus includes processing circuitry that estimates the transmission rate of a received signal, performs sampling frequency conversion on the received signal, calculates a probability corresponding to each of a plurality of candidates for a specification of the received signal, selects a candidate using the respective probabilities, and calculates reliability corresponding to a selected candidate, determines whether to output the selected candidate as an identification result or perform the sampling frequency conversion again, based on the reliability, and changes a parameter indicating the ratio of the sampling frequency conversion when it is determined that the sampling frequency conversion is to be performed again.
Yasutaka Yamashita, Shigeru Uchida
Filed: 5 Jan 23
Utility
Filter circuit, signal processing method, control circuit, and program storage medium
19 Sep 23
A filter circuit includes: a division unit that divides an input signal and adds, to a tail end of a division block, of head data of the next division block, to generate an input block; a plurality of signal processing units that perform filtering of a feedback type on input blocks to generate output samples, and generate and output blocks; and a coupling unit that couples the output blocks.
Michiya Hayama
Filed: 14 Apr 22