Patents by Inventor Yoshifumi Oizumi
Yoshifumi Oizumi 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).
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Publication number: 20240073596Abstract: A sound collection control method recognizes a speaker from an image, detects a position of the recognized speaker, sets a first collection beam based on the position of the recognized speaker, recognizes a specific object other than the recognized speaker from an image, detects a position of the recognized specific object, and sets a second collection beam based on the detected position of the recognized specific object.Type: ApplicationFiled: August 7, 2023Publication date: February 29, 2024Inventor: Yoshifumi OIZUMI
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Publication number: 20240056753Abstract: A microphone state display method includes receiving a mute-on or a mute-off operation by each of a plurality of microphones, displaying a state of a microphone that has received the mute-off operation as a first state on a display, when receiving the mute-on operation, in a case in which at least one microphone among the plurality of microphones is in a mute-off state, displaying a state of a microphone that has received the mute-on operation as a second state on a display, and, when receiving the mute-on operation in a case in which all of the plurality of microphones are in a mute-on state, displaying the state of the microphone that has received the mute-on operation as a third state on a display.Type: ApplicationFiled: August 10, 2023Publication date: February 15, 2024Inventor: Yoshifumi OIZUMI
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Publication number: 20230199375Abstract: A panel combination includes a panel, a directional speaker mounted to the panel, and a controller that receives a trigger signal and controls an output of the directional speaker according to the trigger signal.Type: ApplicationFiled: December 7, 2022Publication date: June 22, 2023Inventors: Shinichi KATO, Yoshifumi OIZUMI
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Publication number: 20220264220Abstract: A sound emitting apparatus includes a speaker unit and an enclosure of the speaker unit having an aperture configuring a Helmholtz resonator. A resonance frequency Fr of the Helmholtz resonator is set to be equal to or higher than a reproducible lower limit frequency of the speaker unit.Type: ApplicationFiled: April 29, 2022Publication date: August 18, 2022Inventors: Shinichi KATO, Yoshifumi OIZUMI
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Patent number: 11373669Abstract: An acoustic processing method includes extracting a feature amount from a first audio signal representing sound collected by a microphone, receiving a second audio signal from a different device on a far-end side, determining a gain of the second audio signal based on the extracted feature amount, and adjusting the second audio signal based on the determined gain of the second audio signal.Type: GrantFiled: June 2, 2020Date of Patent: June 28, 2022Assignee: YAMAHA CORPORATIONInventors: Tetsuto Kawai, Yusuke Kadowaki, Yoshifumi Oizumi
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Patent number: 11190872Abstract: A signal processing system includes microphone units connected in series and a host device connected to one of the microphone units. Each of the microphone units has a microphone, a temporary storage memory, and a processing section for processing the sound picked up by the microphone. The host device has a non-volatile memory in which a sound signal processing program for the microphone units is stored. The host device transmits the sound signal processing program read from the non-volatile memory to each of the microphone units. Each of the microphone units temporarily stores the sound signal processing program in the temporary storage memory. The processing section performs a process corresponding to the sound signal processing program temporarily stored in the temporary storage memory and transmits the processed sound to the host device.Type: GrantFiled: February 5, 2019Date of Patent: November 30, 2021Assignee: YAMAHA CORPORATIONInventors: Ryo Tanaka, Koichiro Sato, Yoshifumi Oizumi, Takayuki Inoue
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Patent number: 10965909Abstract: An image processing apparatus includes an image data obtainer that obtains image data of an image that captures a plurality of conference participants, a face image detector that detects a face image of each of the plurality of conference participants from the image data obtained by the image data obtainer, an image organizer that extracts a detected face image and reorganizes detected face images into one image, a feeling estimator that estimates a feeling of each conference participant based on the detected face image, and a display mode changer that changes a display mode of the face image of each conference participant based on the estimated feeling.Type: GrantFiled: September 12, 2019Date of Patent: March 30, 2021Assignee: YAMAHA CORPORATIONInventors: Ryo Tanaka, Koichiro Sato, Yoshifumi Oizumi, Kazuko Nishi
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Publication number: 20200388299Abstract: An acoustic processing method includes extracting a feature amount from a first audio signal representing sound collected by a microphone, receiving a second audio signal from a different device on a far-end side, determining a gain of the second audio signal based on the extracted feature amount, and adjusting the second audio signal based on the determined gain of the second audio signal.Type: ApplicationFiled: June 2, 2020Publication date: December 10, 2020Inventors: Tetsuto KAWAI, Yusuke KADOWAKI, Yoshifumi OIZUMI
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Patent number: 10827075Abstract: An echo reducer includes: an obtainer configured to obtain frequency characteristics of a transmission system from a sound emitter of a sound emission and collection device to a sound collector of the sound emission and collection device; a determiner configured to determine whether or not both a transmission signal and a reception signal in the sound emission and collection device are in a state of including a sound; and an attenuator configured to attenuate the reception signal to be output to the sound emitter, by attenuation characteristics corresponding to the frequency characteristics of the transmission system that the obtainer obtains, when the determiner determines that both the transmission signal and the reception signal in the sound emission and collection device include a sound.Type: GrantFiled: July 25, 2018Date of Patent: November 3, 2020Assignee: Yamaha CorporationInventors: Tetsuto Kawai, Satoshi Ukai, Yoshifumi Oizumi
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Publication number: 20200099890Abstract: An image processing apparatus includes an image data obtainer that obtains image data of an image that captures a plurality of conference participants, a face image detector that detects a face image of each of the plurality of conference participants from the image data obtained by the image data obtainer, an image organizer that extracts a detected face image and reorganizes detected face images into one image, a feeling estimator that estimates a feeling of each conference participant based on the detected face image, and a display mode changer that changes a display mode of the face image of each conference participant based on the estimated feeling.Type: ApplicationFiled: September 12, 2019Publication date: March 26, 2020Inventors: Ryo TANAKA, Koichiro SATO, Yoshifumi OIZUMI, Kazuko NISHI
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Publication number: 20190174227Abstract: A signal processing system includes microphone units connected in series and a host device connected to one of the microphone units. Each of the microphone units has a microphone, a temporary storage memory, and a processing section for processing the sound picked up by the microphone. The host device has a non-volatile memory in which a sound signal processing program for the microphone units is stored. The host device transmits the sound signal processing program read from the non-volatile memory to each of the microphone units. Each of the microphone units temporarily stores the sound signal processing program in the temporary storage memory. The processing section performs a process corresponding to the sound signal processing program temporarily stored in the temporary storage memory and transmits the processed sound to the host device.Type: ApplicationFiled: February 5, 2019Publication date: June 6, 2019Inventors: Ryo TANAKA, Koichiro SATO, Yoshifumi OIZUMI, Takayuki INOUE
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Patent number: 10250974Abstract: A signal processing system includes microphone units connected in series and a host device connected to one of the microphone units. Each of the microphone units has a microphone, a temporary storage memory, and a processing section for processing the sound picked up by the microphone. The host device has a non-volatile memory in which a sound signal processing program for the microphone units is stored. The host device transmits the sound signal processing program read from the non-volatile memory to each of the microphone units. Each of the microphone units temporarily stores the sound signal processing program in the temporary storage memory. The processing section performs a process corresponding to the sound signal processing program temporarily stored in the temporary storage memory and transmits the processed sound to the host device.Type: GrantFiled: September 13, 2016Date of Patent: April 2, 2019Assignee: YAMAHA CORPORATIONInventors: Ryo Tanaka, Koichiro Sato, Yoshifumi Oizumi, Takayuki Inoue
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Publication number: 20180332174Abstract: An echo reducer includes: an obtainer configured to obtain frequency characteristics of a transmission system from a sound emitter of a sound emission and collection device to a sound collector of the sound emission and collection device; a determiner configured to determine whether or not both a transmission signal and a reception signal in the sound emission and collection device are in a state of including a sound; and an attenuator configured to attenuate the reception signal to be output to the sound emitter, by attenuation characteristics corresponding to the frequency characteristics of the transmission system that the obtainer obtains, when the determiner determines that both the transmission signal and the reception signal in the sound emission and collection device include a sound.Type: ApplicationFiled: July 25, 2018Publication date: November 15, 2018Inventors: Tetsuto KAWAI, Satoshi UKAI, Yoshifumi OIZUMI
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Patent number: 10048586Abstract: A radiation-sensitive resin composition includes a first polymer including an acid-labile group, an acid generator to generate an acid upon exposure to radiation, and a second polymer including a fluorine atom and a functional group shown by a general formula (x). The second polymer has a fluorine atom content higher than a fluorine atom content of the first polymer. R1 represents an alkali-labile group. A represents an oxygen atom, —NR?—, —CO—O—# or —SO2—O—##, wherein the oxygen atom represented by A is not an oxygen atom bonded directly to an aromatic ring, a carbonyl group, or a sulfoxyl group, R? represents a hydrogen atom or an alkali-labile group, and “#” and “##” each indicate a bonding hand bonded to R1. -A-R1??(x).Type: GrantFiled: February 29, 2016Date of Patent: August 14, 2018Assignee: JSR CORPORATIONInventors: Yuusuke Asano, Mitsuo Sato, Hiromitsu Nakashima, Kazuki Kasahara, Yoshifumi Oizumi, Masafumi Hori, Takanori Kawakami, Yasuhiko Matsuda, Kazuo Nakahara
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Publication number: 20170223452Abstract: A sound signal processing apparatus and system includes a control device having a processor and a memory storing instructions that causes the processor to acquire a plurality of sound signals representing sounds recorded at a plurality of positions in a sound space, respectively, and correlate the plurality of sound signals with a plurality of pieces of position information indicating the recording positions, respectively. Sound signals, from among the acquired plurality of signals correlated with the plurality of pieces of position information, are selected as a mixing target. The selected sound signals are mixed to be synchronized with each other.Type: ApplicationFiled: April 14, 2017Publication date: August 3, 2017Inventors: Kazunobu KONDO, Takuya FUJISHIMA, Yoshifumi OIZUMI, Risa FUKUDA, Takahiro AKABANE
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Publication number: 20160381457Abstract: A signal processing system includes microphone units connected in series and a host device connected to one of the microphone units. Each of the microphone units has a microphone, a temporary storage memory, and a processing section for processing the sound picked up by the microphone. The host device has a non-volatile memory in which a sound signal processing program for the microphone units is stored. The host device transmits the sound signal processing program read from the non-volatile memory to each of the microphone units. Each of the microphone units temporarily stores the sound signal processing program in the temporary storage memory. The processing section performs a process corresponding to the sound signal processing program temporarily stored in the temporary storage memory and transmits the processed sound to the host device.Type: ApplicationFiled: September 13, 2016Publication date: December 29, 2016Inventors: Ryo TANAKA, Koichiro SATO, Yoshifumi OIZUMI, Takayuki INOUE
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Patent number: 9513548Abstract: A radiation-sensitive resin composition includes a first polymer including an acid-labile group, an acid generator to generate an acid upon exposure to radiation, and a second polymer including a fluorine atom and a functional group shown by a general formula (x). The second polymer has a fluorine atom content higher than a fluorine atom content of the first polymer. R1 represents an alkali-labile group. A represents an oxygen atom, —NR?—, —CO—O—# or —SO2—O—##, wherein the oxygen atom represented by A is not an oxygen atom bonded directly to an aromatic ring, a carbonyl group, or a sulfoxyl group, R? represents a hydrogen atom or an alkali-labile group, and “#” and “##” each indicate a bonding hand bonded to R1.Type: GrantFiled: April 2, 2014Date of Patent: December 6, 2016Assignee: JSR CORPORATIONInventors: Yuusuke Asano, Mitsuo Satou, Hiromitsu Nakashima, Kazuki Kasahara, Yoshifumi Oizumi, Masafumi Hori, Takanori Kawakami, Yasuhiko Matsuda, Kazuo Nakahara
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Patent number: 9497542Abstract: A signal processing system includes microphone units connected in series and a host device connected to one of the microphone units. Each of the microphone units has a microphone, a temporary storage memory, and a processing section for processing the sound picked up by the microphone. The host device has a non-volatile memory in which a sound signal processing program for the microphone units is stored. The host device transmits the sound signal processing program read from the non-volatile memory to each of the microphone units. Each of the microphone units temporarily stores the sound signal processing program in the temporary storage memory. The processing section performs a process corresponding to the sound signal processing program temporarily stored in the temporary storage memory and transmits the processed sound to the host device.Type: GrantFiled: November 12, 2013Date of Patent: November 15, 2016Assignee: YAMAHA CORPORATIONInventors: Ryo Tanaka, Koichiro Sato, Yoshifumi Oizumi, Takayuki Inoue
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Publication number: 20160179003Abstract: A radiation-sensitive resin composition includes a first polymer including an acid-labile group, an acid generator to generate an acid upon exposure to radiation, and a second polymer including a fluorine atom and a functional group shown by a general formula (x). The second polymer has a fluorine atom content higher than a fluorine atom content of the first polymer. R1 represents an alkali-labile group. A represents an oxygen atom, —NR?—, —CO—O—# or —SO2—O—##, wherein the oxygen atom represented by A is not an oxygen atom bonded directly to an aromatic ring, a carbonyl group, or a sulfoxyl group, R? represents a hydrogen atom or an alkali-labile group, and “#” and “##” each indicate a bonding hand bonded to R1.Type: ApplicationFiled: February 29, 2016Publication date: June 23, 2016Applicant: JSR CorporationInventors: Yuusuke ASANO, Mitsuo Sato, Hiromitsu Nakashima, Kazuki Kasahara, Yoshifumi Oizumi, Masafumi Hori, Takanori Kawakami, Yasuhiko Matsuda, Kazuo Nakahara
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Patent number: 9261780Abstract: A radiation-sensitive resin composition that provides a resist coating film in a liquid immersion lithography process is provided, the radiation-sensitive resin composition being capable of exhibiting a great dynamic contact angle during exposure, whereby the surface of the resist coating film can exhibit a superior water draining property, and the radiation-sensitive resin composition being capable of leading to a significant decrease in the dynamic contact angle during development, whereby generation of development defects can be inhibited, and further shortening of a time period required for change in a dynamic contact angle is enabled. A radiation-sensitive resin composition including (A) a polymer having a structural unit (I) represented by the following formula (1), and (B) a radiation-sensitive acid generator.Type: GrantFiled: May 19, 2011Date of Patent: February 16, 2016Assignee: JSR CORPORATIONInventors: Yusuke Asano, Yoshifumi Oizumi, Akimasa Soyano, Takeshi Ishii