Patents by Inventor Kazunori Kobayashi

Kazunori Kobayashi 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).

  • Patent number: 11557463
    Abstract: In a vacuum processing apparatus including: a vacuum container including a processing chamber therein; a plasma formation chamber; plate members being arranged between the processing chamber and the plasma formation chamber; and a lamp and a window member being arranged around the plate members, in order that a wafer and the plate members are heated by electromagnetic waves from the lamp, a bottom surface and a side surface of the window member is formed of a member transmitting the electromagnetic waves therethrough.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: January 17, 2023
    Assignee: Hitachi High-Tech Corporation
    Inventors: Hiroyuki Kobayashi, Nobuya Miyoshi, Kazunori Shinoda, Kenji Maeda, Yutaka Kouzuma, Satoshi Sakai, Masaru Izawa
  • Patent number: 11545296
    Abstract: Disclosed herein is a common mode filter that comprises a drum core including a winding core portion and a pair of flange portions provided at both ends of the winding core portion, and first and second wires wound around the winding core portion so as to form a pair-wire for each turn. The first and second wires includes one or a plurality of sparsely-wound portions in which the first and second wires are wound with adjacent pair-wires spaced from each other, and one or a plurality of closely-wound portions in which the first and second wires are wound with adjacent pair-wires in close contact with each other.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: January 3, 2023
    Assignee: TDK CORPORATION
    Inventors: Toshio Tomonari, Tsutomu Kobayashi, Kazunori Arimitsu
  • Patent number: 11516584
    Abstract: Provided is a sound pickup loudspeaker apparatus which suppresses the influence of feedback produced when adding a speaker while also reducing a sense of unnaturalness in a sound image. The sound pickup loudspeaker apparatus collects a target sound emitted from a first seat in the vehicle, plays back the collected target sound to a listener seated in a second seat in the vehicle from a second sound amplifying device disposed in a direction different from the first seat from the perspective of the listener, and furthermore plays back the collected target sound to the listener from a first sound amplifying device disposed in the same direction as the first seat from the perspective of the listener.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: November 29, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Shoichiro Saito, Kazunori Kobayashi
  • Patent number: 11515167
    Abstract: Provided is a plasma etching method which enables etching with high accuracy while controlling and reducing surface roughness of a transition metal film. The etching is performed for the transition metal film, which is formed on a sample and contains a transition metal element, by a first step of isotropically generating a layer of transition metal oxide on a surface of the transition metal film while a temperature of the sample is maintained at 100° C. or lower, a second step of raising the temperature of the sample to a predetermined temperature of 150° C. or higher and 250° C. or lower while a complexation gas is supplied to the layer of transition metal oxide, a third step of subliming and removing a reactant generated by an reaction between the complexation gas and the transition metal oxide formed in the first step while the temperature of the sample is maintained at 150° C. or higher and 250° C. or lower, and a fourth step of cooling the sample.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: November 29, 2022
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Sumiko Fujisaki, Yoshihide Yamaguchi, Hiroyuki Kobayashi, Kazunori Shinoda, Kohei Kawamura, Yutaka Kouzuma, Masaru Izawa
  • Patent number: 11510000
    Abstract: A sound collection apparatus includes a substantially spherical base on which at least a predetermined number of recess portions are provided in a surface thereof with a predetermined interval therebetween; and a predetermined number of microphones. The predetermined number is an integer of 2 or greater. The microphones are installed on an inner bottom surface side of the recess portions one by one. Intervals between sound collecting portions of adjacent microphones are substantially equal to each other.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: November 22, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Sakurako Yazawa, Kazunori Kobayashi, Kenichi Noguchi, Shoichiro Saito
  • Patent number: 11479184
    Abstract: An object is to provide a sound collection apparatus capable of collecting a sound with a higher SN rate than before through use of a reflected sound. The sound collection apparatus is installed in a vehicle. The vehicle includes a seat for a passenger to sit on, and a reflective structure that reflects a sound emitted by a passenger sitting in the seat. The sound collection apparatus includes a first microphone arranged at a position where a direct sound that is a sound emitted by the passenger is readily collected, and a second microphone arranged at a position where a reflected sound that is a sound emitted by the passenger and reflected by the reflective structure is readily collected.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: October 25, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kazunori Kobayashi, Shoichiro Saito, Masahiro Fukui
  • Patent number: 11482234
    Abstract: A first noise level, which is an estimated value of a magnitude of a noise component included in a first sound collection signal obtained from a first microphone which collects sound emitted from a first sound collection and amplification position is obtained, a second noise level, which is an estimated value of a magnitude of a noise component included in a second sound collection signal obtained from a second microphone which collects sound emitted from a second sound collection and amplification position is obtained, a ratio of a reproduced noisy sound level, which is an estimated value of a magnitude of noise at a position of a passenger at the second sound collection and amplification position in a case where the first noise level is reproduced from a second speaker placed at the second sound collection and amplification position, with respect to a second noisy sound level, which is an estimated value of a magnitude of noise corresponding to the second noise level at the position of the passenger at the
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: October 25, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kazunori Kobayashi, Shoichiro Saito
  • Patent number: 11471043
    Abstract: A subjective optometry apparatus has a projection optical system including a visual target presenting portion and an optical member to project a target light flux toward a subject eye, and causing the target light flux to be incident on the optical member with a deviation of the incident target light flux from an optical axis of the optical member, a housing accommodating the projection optical system, a presentation window for emitting the target light flux from the inside of the housing to the outside thereof, an eye refractive power measurement unit provided outside the housing, and holding means integrally connecting the housing to the eye refractive power measurement unit to hold the eye refractive power measuring unit. When using the eye refractive power measuring unit, a distance from the presentation window to the eye refractive power measurement unit in an optical path is equal to or less than 180 mm.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: October 18, 2022
    Assignee: NIDEK CO., LTD.
    Inventors: Toshihiro Kobayashi, Yukito Hirayama, Ryoji Suzuki, Kazunori Shibata, Daisuke Baba
  • Publication number: 20220329936
    Abstract: Audibility of an outside sound needed for a driver inside an automobile to apprehend a danger and obtain a grasp of a situation necessary for driving is improved. A sound collection and emission apparatus (10) emits, on the basis of an outside acoustic signal which emanates from a sound source outside an automobile (90) and arrives at the automobile (90), an inside acoustic signal which is an acoustic signal derived from the outside acoustic signal to inside the automobile (90). A sound collection unit (M1) collects the outside acoustic signal. A sound emission unit (S1) emits the inside acoustic signal. A danger sound detection unit (11) determines whether the outside acoustic signal has a feature representing a danger defined in advance. A control unit (12) performs control that emits the inside acoustic signal from the sound emission unit (S1) such that a driver of the automobile (90) is capable of perceiving the danger if the outside acoustic signal is determined to represent the danger.
    Type: Application
    Filed: September 9, 2019
    Publication date: October 13, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kazunori KOBAYASHI, Hiroaki ITO, Shin MURATA
  • Publication number: 20220326332
    Abstract: Sounds arriving from outside of a mobile body are collected by a microphone disposed inside the mobile body. A sound collecting apparatus according to the present disclosure is attached to the mobile body. The sound collecting apparatus according to the present disclosure includes a microphone that is directly or indirectly in contact with an outer face member, which is a member forming an outer face of the mobile body, from an inner side of the mobile body and collects sounds propagating through the outer face member. In a case where the microphone has directivity, the microphone is disposed in a direction in which sounds propagating from the outer face of the outer face member to the inner side are collected. The outer face member is, for example, glass.
    Type: Application
    Filed: June 6, 2019
    Publication date: October 13, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kazunori KOBAYASHI, Hiroaki ITO, Shin MURATA
  • Publication number: 20220312095
    Abstract: A microphone array is a microphone array including two or more microphone holders 1. The two or more microphone holders 1 each hold one microphone. The two or more microphone holders 1 are separatable from each other. The two or more microphone holders 1 are combinable in two or more combination manners different from each other such that the two or more microphone holders 1 are each in contact with any one of the other microphone holders 1 and a distance between the two respective microphones held by two of the microphone holders 1 that are in contact with each other is a predetermined distance.
    Type: Application
    Filed: September 2, 2019
    Publication date: September 29, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Sakurako YAZAWA, Kazunori KOBAYASHI, Kenichi NOGUCHI
  • Publication number: 20220301917
    Abstract: An electrostatic chuck includes: a ceramic plate; an adsorption electrode that is built in the ceramic plate; and a plurality of connection pads that are built in the ceramic plate to be electrically connected to the adsorption electrode. The connection pads are arranged stepwise.
    Type: Application
    Filed: March 15, 2022
    Publication date: September 22, 2022
    Inventors: Naoyuki Koizumi, Kazunori Shimizu, Kentaro Kobayashi
  • Publication number: 20220270630
    Abstract: The present invention provides a noise suppression device and so on for improving the estimation precision of a spatial covariance matrix and improving a noise suppression performance. The noise suppression device includes a noise interval detection unit which, on the assumption that a direction from which noise arrives is unknown, determines whether or not a target signal, which is a sound signal that arrives from a predetermined direction and is not subject to suppression, is included in an observation signal, and a noise suppression updating unit that uses an after-observation signal, which is an observation signal acquired at a time after a point at which the noise interval detection unit determines that the target signal is no longer included, to update a beam pattern so as not to emphasize sound issued from a direction in which sound included in the after-observation signal was issued.
    Type: Application
    Filed: February 28, 2020
    Publication date: August 25, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Hiroaki ITO, Kazunori KOBAYASHI
  • Patent number: 11425517
    Abstract: A conversation support system supports conversation of passengers in an automobile. Seats of at least two or more rows are placed in the automobile, and the conversation support system includes a speech switching control part configured to designate a desired sound pickup and reproduce area based on designation by a first passenger sitting in a first seat, a first target speech emphasizing part configured to output a signal obtained by emphasizing speech emitted from the designated sound pickup and reproduce area to a loud speaker corresponding to the first seat, and a second target speech emphasizing part configured to output the signal obtained by emphasizing speech, which is collected with a microphone corresponding to the first seat and which is emitted from the first seat, to a loud speaker corresponding to the sound pickup and reproduce area.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: August 23, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kazunori Kobayashi, Shoichiro Saito
  • Publication number: 20220250540
    Abstract: A danger detection system for detecting a danger on a road, the danger that changes over time and may not be a danger due to the change over time, the danger detection system including a vibration acquisition unit 11 configured to acquire an acoustic signal collected by a microphone mounted on a vehicle when the vehicle passes through a region on a predetermined road, a danger determination unit 12 configured to determine whether the acoustic signal is derived from the danger, a danger location detection unit 2 configured to determine whether the danger is present in the region on the predetermined road based on the number of times an acoustic signal acquired from each of the plurality of vehicles is determined to be derived from the danger, and a danger information notification unit 3 configured to notify a communication device that can pass through the region on the predetermined road of danger information that is information about a region on a road determined to have a danger.
    Type: Application
    Filed: June 26, 2019
    Publication date: August 11, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kazunori KOBAYASHI, Hiroaki ITO, Shin MURATA
  • Publication number: 20220250626
    Abstract: A road condition estimation device 2 includes: a reception unit 21 that receives pieces of sensor information from automobiles respectively, each piece of sensor information including positional information that is information regarding a position at which an automobile travels, and spectral information obtained by converting an acoustic signal generated when the automobile travels at the position into information in a frequency domain; a first classification unit 22 that classifies the pieces of spectral information respectively for roads on which the automobiles travel, based on pieces of positional information included in the pieces of sensor information thus received; and an estimation unit 23 that estimates a condition of a road for each of the pieces of spectral information classified by the first classification unit.
    Type: Application
    Filed: June 12, 2019
    Publication date: August 11, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kazunori KOBAYASHI, Hiroaki ITO, Shin MURATA
  • Publication number: 20220240009
    Abstract: In-car communication and hands-free talking with good sound quality are realized. An echo cancelation apparatus (4) is for use in a vehicle in which microphones (M1, M2) and loudspeakers (S1, S2) are disposed in acoustic regions (100, 200). A loudspeaker (S1) and a microphone (M1) are disposed in a first acoustic region (100), and a loudspeaker (S2) and a microphone (M2) are disposed in a second acoustic region (200). An acoustic signal picked up by the microphone (M1) disposed in the first acoustic region (100) is emitted from the loudspeaker (S2) disposed in the second acoustic region (200). An acoustic signal picked up by the microphone (M2) disposed in the second acoustic region (200) is emitted from the loudspeaker (S1) disposed in the first acoustic region (100). The microphone (M1) is designed to hardly collect a sound emitted from the loudspeaker (S2).
    Type: Application
    Filed: May 21, 2019
    Publication date: July 28, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kazunori KOBAYASHI, Shoichiro SAITO
  • Publication number: 20220234500
    Abstract: Provided is a technology capable of supporting an operation of a car by a driver when an alarm sound notifying the approach of a train is sounding at a railroad crossing. The alarm sound processing apparatus includes: an observed sound sensor that generates an observed sound signal from an observed sound or vibration related to the observed sound; an alarm sound detection unit that generates an alarm sound detection result indicating whether the observed sound contains an alarm sound at a railroad crossing from the observed sound signal; and an alarm sound reaction unit that executes processing for issuing a warning to notify a driver that a train is approaching the railroad crossing and/or executes processing for applying a brake to a car driven by the driver when the alarm sound detection result indicates that the alarm sound is contained.
    Type: Application
    Filed: May 22, 2019
    Publication date: July 28, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kazunori KOBAYASHI, Hiroaki ITO, Shin MURATA
  • Publication number: 20220225019
    Abstract: Provided is a notification technique that makes it possible to notify a person of a direction in which a danger exists, using a sound.
    Type: Application
    Filed: May 21, 2019
    Publication date: July 14, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventor: Kazunori KOBAYASHI
  • Publication number: 20220219703
    Abstract: An abnormality detection device 1 includes: a vibration acquisition unit 11 configured to acquire an acoustic signal generated during passage of a vehicle on a road; a frequency domain conversion unit 12 configured to convert the acquired acoustic signal into a frequency domain signal; an unexpectedness determination unit 13 configured to determine whether there is unexpectedness at each predetermined frequency using the frequency domain signal; and an abnormality determination unit 14 configured to determine whether there is an abnormality in the road based on the number of frequencies at which it is determined that there is the unexpectedness.
    Type: Application
    Filed: May 16, 2019
    Publication date: July 14, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kazunori KOBAYASHI, Hiroaki ITO, Shin MURATA