Patents by Inventor Toshiaki Ohashi
Toshiaki Ohashi 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: 20230266190Abstract: An ultrasonic probe (100) includes an oscillator accommodating part (110), a first coil spring (130), and a collar (140). The oscillator accommodating part (110) has an accommodation shaft (116) having an ultrasonic oscillator (111a) accommodated therein, and a curved surface part (114) connected to one end portion of the accommodation shaft (116) and having formed thereon a curved surface (114a) facing a direction opposite to a direction in which the accommodation shaft (116) is present. The first coil spring (130) receives the curved surface (114a) of the curved surface part (114), and produces an elastic force pressing the curved surface (114a). The collar (140) accommodates the first coil spring (130) and the curved surface part (114), and restrains movement of the curved surface part (114) pressed by the first coil spring (130). The curved surface part (114) and the first coil spring (130) configure a spherical joint (100J).Type: ApplicationFiled: June 11, 2021Publication date: August 24, 2023Applicants: RYODEN SHONAN ELECTRONICS CORPORATION, HONDA MOTOR CO., LTD.Inventors: Yasushi HARA, Toshiaki OHASHI, Kazuhiro TSUZAKI, Toshitsugu SAKAKIBARA
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Publication number: 20230082314Abstract: An ultrasound transmitting and receiving device that can determine whether a contact state between a probe and a bolt is normal without relying on the skill of an operator is provided. The ultrasound transmitting and receiving device includes a probe control unit, an auxiliary storage device, and a contact state determination unit. The probe control unit causes a probe to transmit ultrasound to a bolt, and causes the probe to receive an echo of the transmitted ultrasound. The auxiliary storage device stores one or more pieces of comparison data to be compared with echo data indicating the echo received by the probe. The contact state determination unit compares the echo data with the comparison data, and determines a contact state between the probe and the bolt based on a comparison result.Type: ApplicationFiled: September 13, 2021Publication date: March 16, 2023Applicant: HONDA MOTOR CO., LTD.Inventors: Kazuhiro TSUZAKI, Toshitsugu SAKAKIBARA, Toshiaki OHASHI, Tsukasa ISHIDA
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Patent number: 11592288Abstract: An ultrasound transmitting and receiving device that can determine whether a contact state between a probe and a bolt is normal without relying on the skill of an operator is provided. The ultrasound transmitting and receiving device includes a probe control unit, an auxiliary storage device, and a contact state determination unit. The probe control unit causes a probe to transmit ultrasound to a bolt, and causes the probe to receive an echo of the transmitted ultrasound. The auxiliary storage device stores one or more pieces of comparison data to be compared with echo data indicating the echo received by the probe. The contact state determination unit compares the echo data with the comparison data, and determines a contact state between the probe and the bolt based on a comparison result.Type: GrantFiled: September 13, 2021Date of Patent: February 28, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Kazuhiro Tsuzaki, Toshitsugu Sakakibara, Toshiaki Ohashi, Tsukasa Ishida
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Patent number: 10760988Abstract: A bolt axial force measurement apparatus of the present invention includes an echo detection section and an axial force calculation section. The echo detection section sets a head echo gate for the head echo and sets a bottom echo gate for the bottom echo, and executes tracking for a plurality of ultrasonic pulses emitted during tightening of the bolt so that the head echo gate and bottom echo gate are shifted independently to include the predetermined positions at the same position in the head echo gate and bottom echo gate.Type: GrantFiled: August 2, 2019Date of Patent: September 1, 2020Assignees: HONDA MOTOR CO., LTD., RYODEN SHONAN ELECTRONICS CORPORATIONInventors: Toshitsugu Sakakibara, Kazuhiro Tsuzaki, Toshiaki Ohashi, Tsukasa Ishida
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Publication number: 20200041369Abstract: A bolt axial force measurement apparatus of the present invention includes an echo detection section and an axial force calculation section. The echo detection section sets a head echo gate for the head echo and sets a bottom echo gate for the bottom echo, and executes tracking for a plurality of ultrasonic pulses emitted during tightening of the bolt so that the head echo gate and bottom echo gate are shifted independently to include the predetermined positions at the same position in the head echo gate and bottom echo gate.Type: ApplicationFiled: August 2, 2019Publication date: February 6, 2020Inventors: Toshitsugu SAKAKIBARA, Kazuhiro TSUZAKI, Toshiaki OHASHI, Tsukasa ISHIDA
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Patent number: 9056959Abstract: A method for producing a chlorinated vinyl chloride resin of the present invention includes chlorinating a vinyl chloride resin by irradiating the inside of a reactor, into which the vinyl chloride resin and chlorine have been introduced, with ultraviolet light, thereby producing a chlorinated vinyl chloride resin. The irradiation of ultraviolet light is carried out through use of at least one kind of light source selected from the group consisting of an ultraviolet LED, an organic EL, an inorganic EL, and an ultraviolet laser. A chlorinated vinyl chloride resin that shows suppressed initial coloring during hot forming and/or improved thermal stability can be provided by the method for producing a chlorinated vinyl chloride resin of the present invention.Type: GrantFiled: November 1, 2012Date of Patent: June 16, 2015Assignee: Kaneka CorporationInventors: Tetsuo Inaoka, Daichi Ohara, Toshiaki Ohashi
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Publication number: 20140309325Abstract: A method for producing a chlorinated vinyl chloride resin of the present invention includes chlorinating a vinyl chloride resin by irradiating the inside of a reactor, into which the vinyl chloride resin and chlorine have been introduced, with ultraviolet light, thereby producing a chlorinated vinyl chloride resin. The irradiation of ultraviolet light is carried out through use of at least one kind of light source selected from the group consisting of an ultraviolet LED, an organic EL, an inorganic EL, and an ultraviolet laser. A chlorinated vinyl chloride resin that shows suppressed initial coloring during hot forming and/or improved thermal stability can be provided by the method for producing a chlorinated vinyl chloride resin of the present invention.Type: ApplicationFiled: November 1, 2012Publication date: October 16, 2014Inventors: Tetsuo Inaoka, Daichi Ohara, Toshiaki Ohashi
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Patent number: 8262387Abstract: An object of the present invention is to provide an atmosphere heat treatment apparatus that is operable without relying on experiences and/or intuitions of an operator, and a method of operating the same. The atmosphere heat treatment apparatus includes an entrance side exhaust path (26) for exhausting an inside atmosphere from an entrance side of a carburizing chamber (10) to which a transforming gas is supplied, an exit side exhaust path (35) for exhausting the inside atmosphere from an exit side of the heat treatment chamber, and an opening degree adjusting lid (28) attached for adjusting an opening degree of the entrance side exhaust path (26), in which a part or whole of the exit side exhaust path (35) is constituted of a pipe (46) having a predetermined inside diameter.Type: GrantFiled: February 2, 2006Date of Patent: September 11, 2012Assignees: Dowa Thermotech Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Tomihiko Nishiyama, Hiroyoshi Suzuki, Shinichi Takemoto, Kouji Abe, Toshiaki Ohashi, Takashi Sakurai
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Publication number: 20120154461Abstract: A liquid crystal display device for displaying video data includes a liquid crystal panel, a back light for illuminating the liquid crystal panel, an input video data characteristic detection section for detecting a luminance characteristic according to gradation of the inputted video data, and a back light control section for controlling an amount of light of the back light in accordance with the luminance characteristic.Type: ApplicationFiled: February 24, 2012Publication date: June 21, 2012Inventors: Shigeyuki Nishitani, Takeshi Maeda, Kazuyoshi Kawabe, Hiroshi Kurihara, Tetsuo Takagi, Toshiaki Ohashi
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Patent number: 8125427Abstract: A liquid crystal display device for displaying video data having a detection circuit for detecting a luminance distribution based on video data which is inputted, the luminance distribution being indicative of generation frequency of gradations in each of divided region which includes a plurality of gradations. The display device includes a determination circuit for determining at least one of a plurality of divided regions of higher generation frequency of gradation than that of other divided regions based on the luminance distribution, a correction circuit for correcting the video data so as to make a luminance characteristic of the at least one of the plurality of divided regions of higher generation frequency of gradation more abrupt than a luminance characteristic of the other divided regions, and a liquid crystal display panel for displaying the corrected video data. A width of the divided region is changeable.Type: GrantFiled: October 3, 2008Date of Patent: February 28, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Shigeyuki Nishitani, Takeshi Maeda, Kazuyoshi Kawabe, Hiroshi Kurihara, Tetsuo Takagi, Toshiaki Ohashi
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Publication number: 20090142721Abstract: An object of the present invention is to provide an atmosphere heat treatment apparatus that is operable without relying on experiences and/or intuitions of an operator, and a method of operating the same. The atmosphere heat treatment apparatus includes an entrance side exhaust path (26) for exhausting an inside atmosphere from an entrance side of a carburizing chamber (10) to which a transforming gas is supplied, an exit side exhaust path (35) for exhausting the inside atmosphere from an exit side of the heat treatment chamber, and an opening degree adjusting lid (28) attached for adjusting an opening degree of the entrance side exhaust path (26), in which a part or whole of the exit side exhaust path (35) is constituted of a pipe (46) having a predetermined inside diameter.Type: ApplicationFiled: February 2, 2006Publication date: June 4, 2009Applicants: Dowa Thermotech Co., Ltd., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tomihiko Nishiyama, Hiroyoshi Suzuki, Shinichi Takemoto, Kouji Abe, Toshiaki Ohashi, Takashi Sakurai
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Publication number: 20090040157Abstract: A liquid crystal display device for displaying video data having a detection circuit for detecting a luminance distribution based on video data which is inputted, the luminance distribution being indicative of generation frequency of gradations in each of divided region which includes a plurality of gradations. The display device includes a determination circuit for determining at least one of a plurality of divided regions of higher generation frequency of gradation than that of other divided regions based on the luminance distribution, a correction circuit for correcting the video data so as to make a luminance characteristic of the at least one of the plurality of divided regions of higher generation frequency of gradation more abrupt than a luminance characteristic of the other divided regions, and a liquid crystal display panel for displaying the corrected video data. A width of the divided region is changeable.Type: ApplicationFiled: October 3, 2008Publication date: February 12, 2009Inventors: Shigeyuki NISHITANI, Takeshi Maeda, Kazuyoshi Kawabe, Hiroshi Kurihara, Toshiaki Ohashi
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Patent number: 7432897Abstract: A liquid crystal display device for displaying video data having a detection circuit for detecting a luminance distribution based on video data which is inputted, the luminance distribution being indicative of generation frequency of gradations in each of divided region which includes a plurality of gradations. The display device includes a determination circuit for determining at least one of a plurality of divided regions of higher generation frequency of gradation than that of other divided regions based on the luminance distribution, a correction circuit for correcting the video data so as to make a luminance characteristic of the at least one of the plurality of divided regions of higher generation frequency of gradation more abrupt than a luminance characteristic of the other divided regions, and a liquid crystal display panel for displaying the corrected video data. A width of the divided region is changeable.Type: GrantFiled: January 21, 2005Date of Patent: October 7, 2008Assignees: Hitachi, Ltd., Hitachi Video and Information System, Inc., Hitachi Microsoftware Systems, Inc.Inventors: Shigeyuki Nishitani, Takeshi Maeda, Kazuyoshi Kawabe, Hiroshi Kurihara, Tetsuo Takagi, Toshiaki Ohashi
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Publication number: 20050162337Abstract: A display device and a method of controlling the same are disclosed. A liquid crystal TV set or a plasma TV set having multiple display functions including PC monitor and TV display comprises a video signal synthesizer synthesizing PC video signal and TV video signal on a frame memory in a way not to superpose the screens. A PC screen (large picture) and TV screens (small pictures) are displayed in tiles. A dynamic image of TV video signal is displayed in one of plural small pictures, and a still image of TV video signal is displayed in another small picture thereby to display plural TV video channels concurrently. Consequently, a part of a PC monitor screen (large picture) is not concealed behind TV display screens (small pictures), thereby preventing workability of a spreadsheet work and a document composition work on the PC screen from being deteriorated.Type: ApplicationFiled: May 5, 2004Publication date: July 28, 2005Inventors: Toshiaki Ohashi, Yasuhiro Tomita, Hideki Hashimoto
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Publication number: 20050122287Abstract: A liquid crystal display device for displaying video data having a detection circuit for detecting a luminance distribution based on video data which is inputted, the luminance distribution being indicative of generation frequency of gradations in each of divided region which includes a plurality of gradations. The display device includes a determination circuit for determining at least one of a plurality of divided regions of higher generation frequency of gradation than that of other divided regions based on the luminance distribution, a correction circuit for correcting the video data so as to make a luminance characteristic of the at least one of the plurality of divided regions of higher generation frequency of gradation more abrupt than a luminance characteristic of the other divided regions, and a liquid crystal display panel for displaying the corrected video data. A width of the divided region is changeable.Type: ApplicationFiled: January 21, 2005Publication date: June 9, 2005Inventors: Shigeyuki Nishitani, Takeshi Maeda, Kazuyoshi Kawabe, Hiroshi Kurihara, Tetsuo Takagi, Toshiaki Ohashi
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Patent number: 6850214Abstract: A luminance characteristic of inputted video data is determined by input video image characteristic detection sections, and polygonal line point master data and polygonal line point correction data are calculated based on the luminance characteristic so as to provide a satisfactory display state using a microcomputer and are outputted to the polygonal line generation sections. The polygonal line point data determining the output gradation characteristic is calculated in polygonal point generation sections and outputted to inter-point gradation operation sections, and operation processing is conducted by using the polygonal point data and the inputted video data in the inter-point operation sections to determine the inter-point gradation and outputted to a display panel.Type: GrantFiled: March 26, 2001Date of Patent: February 1, 2005Assignees: Hitachi, Ltd., Hitachi Video and Information System, Inc., Hitachi Microsoftware Systems, Inc.Inventors: Shigeyuki Nishitani, Takeshi Maeda, Kazuyoshi Kawabe, Hiroshi Kurihara, Tetsuo Takagi, Toshiaki Ohashi
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Publication number: 20010033260Abstract: A luminance characteristic of inputted video data is determined by input video image characteristic detection sections, and polygonal line point master data and polygonal line point correction data are calculated based on the luminance characteristic so as to provide satisfactory display state by a microcomputer and outputted to polygonal line generation sections, polygonal line point data determining the output gradation characteristic is calculated in polygonal point generation sections and outputted to inter-point gradation operation sections, and operation processing is conducted by using the polygonal point data and the inputted video data in the inter-point operation sections to determine the inter-point gradation and outputted to a display panel.Type: ApplicationFiled: March 26, 2001Publication date: October 25, 2001Inventors: Shigeyuki Nishitani, Takeshi Maeda, Kazuyoshi Kawabe, Hiroshi Kurihara, Tetsuo Takagi, Toshiaki Ohashi