Patents by Inventor Hitoshi Nishitani
Hitoshi Nishitani 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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Patent number: 11831254Abstract: The present invention provides a vibrator made of a non-lead-based piezoelectric material and capable of being driven at a sufficient speed with low power consumption, and provides a vibration wave drive device and an electronical device each using the vibrator. To that end, the vibrator according to the present invention includes a piezoelectric element including a piezoelectric material and electrodes, and an elastic body, wherein a Pb component contained in the piezoelectric material is less than 1000 ppm, and a resonance frequency fA in a vibration mode A and a resonance frequency fB in a vibration mode B satisfy a relation of an absolute value of (fB?fA)>2 (kHz), the vibration mode A and the vibration mode B generating vibration waves in the elastic body with wave fronts of the vibration waves intersecting each other.Type: GrantFiled: December 21, 2017Date of Patent: November 28, 2023Assignee: Canon Kabushiki KaishaInventors: Tatsuo Furuta, Takayuki Watanabe, Miki Ueda, Shinya Koyama, Makoto Kubota, Takanori Matsuda, Akira Uebayashi, Jumpei Hayashi, Hitoshi Nishitani
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Patent number: 11708774Abstract: A blow-by gas treatment apparatus for an internal combustion engine mounted on a vehicle includes a blow-by gas pipe having a downward facing outlet portion opened to atmosphere, and a collection container into which the outlet portion is inserted and which is configured to collect oil discharged from the outlet portion. The collection container includes an upper end opening portion formed at an upper end of the collection container and into which the outlet portion of the blow-by gas pipe is inserted from above, a discharge hole formed in an upper portion of a rear surface portion of the collection container, the rear surface portion being located on a rear side in a vehicle length direction, and a cutout portion formed at an upper portion of a side surface portion of the collection container, the side surface portion being located on an outer side in a vehicle width direction.Type: GrantFiled: August 11, 2020Date of Patent: July 25, 2023Assignee: ISUZU MOTORS LIMITEDInventors: Hitoshi Nishitani, Kiyoshi Shirato, Takashi Ishikawa
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Publication number: 20230041003Abstract: A microscope auxiliary apparatus attachable to a microscope includes an object movable portion for moving an object in an optical axis direction of the microscope, first and second operating unit movable portions for respectively moving, in the optical axis direction, first and second operating units for operating the object, a movement instructing unit for instructing the object movable portion or the first or second operating unit movable portions to move, and a switching unit for switching a mode to first and second modes. The first mode moves one of the movable portions in the optical axis direction according to an instruction from the movement instructing unit. The second mode links movements of at least two of the movable portions and moves the at least two in the optical axis direction according to the instruction from the movement instructing unit.Type: ApplicationFiled: October 19, 2022Publication date: February 9, 2023Inventor: Hitoshi Nishitani
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Publication number: 20220290592Abstract: A blow-by gas treatment apparatus for an internal combustion engine mounted on a vehicle includes a blow-by gas pipe having a downward facing outlet portion opened to atmosphere, and a collection container into which the outlet portion is inserted and which is configured to collect oil discharged from the outlet portion. The collection container includes an upper end opening portion formed at an upper end of the collection container and into which the outlet portion of the blow-by gas pipe is inserted from above, a discharge hole formed in an upper portion of a rear surface portion of the collection container, the rear surface portion being located on a rear side in a vehicle length direction, and a cutout portion formed at an upper portion of a side surface portion of the collection container, the side surface portion being located on an outer side in a vehicle width direction.Type: ApplicationFiled: August 11, 2020Publication date: September 15, 2022Inventors: Hitoshi NISHITANI, Kiyoshi SHIRATO, Takashi ISHIKAWA
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Patent number: 11439435Abstract: A stage device capable of performing piercing vibration and translational driving by using one actuator, and performing very low-speed driving in the translational driving with high accuracy. The stage device includes an X stage having a vibration actuator that includes an vibration element and a contact body, one of which is a movable body connected to an object to be driven, and drives the object to be driven in an X-axis direction, and a control section that controls driving of the vibration actuator. The control section causes two-phase AC voltages to be applied to an electromechanical energy conversion element to thereby excite predetermined vibrations in the vibration element, to drive the vibration actuator by switching between a movement mode for moving the object to be driven in the X-axis direction and a vibration mode for vibrating the object to be driven in the X-axis direction.Type: GrantFiled: December 4, 2019Date of Patent: September 13, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Toru Matsumoto, Hitoshi Nishitani
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Patent number: 11375115Abstract: An image capturing apparatus with a mechanical shutter, an output unit that outputs a sound, and a setting unit that sets whether the output unit outputs sound includes an image capturing mode where image capturing occurs without the mechanical shutter and an image capturing mode where image capturing is automatically switched between using the mechanical shutter and not using the mechanical shutter, where during image capturing without the mechanical shutter the output unit outputs sound based on the setting made by the setting unit, and where during image capturing without the mechanical shutter when image capturing switches between using and not using the mechanical shutter, the output unit outputs sound regardless of the setting made by the setting unit.Type: GrantFiled: December 6, 2019Date of Patent: June 28, 2022Assignee: Canon Kabushiki KaishaInventors: Akitaka Yoshizawa, Yoshihiro Kobayashi, Tomokazu Mori, Hitoshi Nishitani
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Patent number: 11371399Abstract: This oil return structure is provided with a flow passage body configured to return oil into an engine body which communicates with an oil storage section of the engine, the oil having been separated from a blow-by gas by an oil separation means. The upstream end of the flow passage body is connected to the oil separation means, at least a portion of the downstream side of the flow passage body protrudes into the engine body from the inner wall thereof, and an oil discharge opening at tire downstream end of the flow passage body is disposed at a position not immersed in oil within the oil storage section.Type: GrantFiled: February 12, 2019Date of Patent: June 28, 2022Assignee: ISUZU MOTORS LIMITEDInventors: Hideki Osada, Hitoshi Nishitani
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Patent number: 11372614Abstract: An electronic apparatus includes an internal speaker, a communication unit configured to perform a wireless communication with a wearable external speaker, and a control unit. The control unit establishes wireless connection with the external speaker through the communication unit and the control unit continuously performs a control operation for preventing an output of an audio signal from the internal speaker in a case where the wireless connection with the external speaker is disconnected by a first factor in a state where the control unit performs the control operation. The control unit cancels performance of the control operation in a case where the wireless connection with the external speaker is disconnected by a second factor different from the first factor in a state where the control unit performs the control operation for preventing the output of the audio signal from the internal speaker.Type: GrantFiled: February 10, 2020Date of Patent: June 28, 2022Assignee: Canon Kabushiki KaishaInventors: Yoshihiro Kobayashi, Tomokazu Mori, Akitaka Yoshizawa, Hitoshi Nishitani
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Patent number: 11029916Abstract: An electronic device includes an internal speaker, a connection unit configured to connect an external speaker, an operation unit configured to receive a user operation, and a control unit, wherein, in a case where the external speaker is connected via the connection unit in a state in which the internal speaker is controlled not to output an electronic sound, the control unit controls the operation unit to receive an instruction to change a setting for switching whether to output an electronic sound, and wherein, in a case where the external speaker is not connected via the connection unit in a state in which the internal speaker is controlled not to output an electronic sound, the control unit controls the operation unit not to receive an instruction to change a setting for switching whether to output an electronic sound.Type: GrantFiled: February 11, 2020Date of Patent: June 8, 2021Assignee: Canon Kabushiki KaishaInventors: Tomokazu Mori, Yoshihiro Kobayashi, Akitaka Yoshizawa, Hitoshi Nishitani
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Patent number: 11012611Abstract: An electronic apparatus including an imaging unit, an operation unit, an output unit, and a control unit, wherein the control unit outputs a sound relating to a first warning using the output unit, in a case where a condition for issuing the first warning is satisfied, wherein the control unit stops outputting the sound relating to the first warning, in a case where an instruction is received by the operation unit, wherein the control unit doesn't output the sound relating to the first warning even when the condition for issuing the first warning is satisfied, in a case where the output of the sound relating to the first warning is stopped, and wherein the control unit outputs a sound relating to a second warning, when a condition for issuing the second warning is satisfied, in a case where the output of the sound relating to the first warning is stopped.Type: GrantFiled: November 27, 2019Date of Patent: May 18, 2021Assignee: Canon Kabushiki KaishaInventors: Yu Narita, Yoshinori Hayashi, Koichi Sasaki, Dai Miyauchi, Tomotaka Uekusa, Hitoshi Nishitani
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Patent number: 11006050Abstract: An imaging apparatus capable of capturing two images which may not be obtained by the general HDR imaging by simultaneously capturing two images of different exposures by changing exposure change rates of a low exposure image and a high exposure image is provided. The imaging apparatus includes a calculation unit configured to calculate a first exposure for obtaining a first image included in the plurality of images under a first condition and calculate a second exposure for obtaining a second image included in the plurality of images under a second condition which is different from the first condition, and a setting unit configured to set an exposure for obtaining the first and second images based on the first and second exposures calculated by the calculation unit.Type: GrantFiled: September 15, 2017Date of Patent: May 11, 2021Assignee: CANON KABUSHIKI KAISHAInventor: Hitoshi Nishitani
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Publication number: 20210010398Abstract: This oil return structure is provided with a flow passage body configured to return oil into an engine body which communicates with an oil storage section of the engine, the oil having been separated from a blow-by gas by an oil separation means. The upstream end of the flow passage body is connected to the oil separation means, at least a portion of the downstream side of the flow passage body protrudes into the engine body from the inner wall thereof, and an oil discharge opening at tire downstream end of the flow passage body is disposed at a position not immersed in oil within the oil storage section.Type: ApplicationFiled: February 12, 2019Publication date: January 14, 2021Inventors: Hideki OSADA, Hitoshi NISHITANI
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Publication number: 20200264832Abstract: An electronic apparatus includes an internal speaker, a communication unit configured to perform a wireless communication with a wearable external speaker, and a control unit. The control unit establishes wireless connection with the external speaker through the communication unit and the control unit continuously performs a control operation for preventing an output of an audio signal from the internal speaker in a case where the wireless connection with the external speaker is disconnected by a first factor in a state where the control unit performs the control operation. The control unit cancels performance of the control operation in a case where the wireless connection with the external speaker is disconnected by a second factor different from the first factor in a state where the control unit performs the control operation for preventing the output of the audio signal from the internal speaker.Type: ApplicationFiled: February 10, 2020Publication date: August 20, 2020Inventors: Yoshihiro Kobayashi, Tomokazu Mori, Akitaka Yoshizawa, Hitoshi Nishitani
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Publication number: 20200264834Abstract: An electronic device includes an internal speaker, a connection unit configured to connect an external speaker, an operation unit configured to receive a user operation, and a control unit, wherein, in a case where the external speaker is connected via the connection unit in a state in which the internal speaker is controlled not to output an electronic sound, the control unit controls the operation unit to receive an instruction to change a setting for switching whether to output an electronic sound, and wherein, in a case where the external speaker is not connected via the connection unit in a state in which the internal speaker is controlled not to output an electronic sound, the control unit controls the operation unit not to receive an instruction to change a setting for switching whether to output an electronic sound.Type: ApplicationFiled: February 11, 2020Publication date: August 20, 2020Inventors: Tomokazu Mori, Yoshihiro Kobayashi, Akitaka Yoshizawa, Hitoshi Nishitani
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Publication number: 20200195848Abstract: An image capturing apparatus with a mechanical shutter, an output unit that outputs a sound, and a setting unit that sets whether the output unit outputs sound includes an image capturing mode where image capturing occurs without the mechanical shutter and an image capturing mode where image capturing is automatically switched between using the mechanical shutter and not using the mechanical shutter, where during image capturing without the mechanical shutter the output unit outputs sound based on the setting made by the setting unit, and where during image capturing without the mechanical shutter when image capturing switches between using and not using the mechanical shutter, the output unit outputs sound regardless of the setting made by the setting unit.Type: ApplicationFiled: December 6, 2019Publication date: June 18, 2020Inventors: Akitaka Yoshizawa, Yoshihiro Kobayashi, Tomokazu Mori, Hitoshi Nishitani
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Publication number: 20200179005Abstract: A stage device capable of performing piercing vibration and translational driving by using one actuator, and performing very low-speed driving in the translational driving with high accuracy. The stage device includes an X stage having a vibration actuator that includes an vibration element and a contact body, one of which is a movable body connected to an object to be driven, and drives the object to be driven in an X-axis direction, and a control section that controls driving of the vibration actuator. The control section causes two-phase AC voltages to be applied to an electromechanical energy conversion element to thereby excite predetermined vibrations in the vibration element, to drive the vibration actuator by switching between a movement mode for moving the object to be driven in the X-axis direction and a vibration mode for vibrating the object to be driven in the X-axis direction.Type: ApplicationFiled: December 4, 2019Publication date: June 11, 2020Inventors: Toru Matsumoto, Hitoshi Nishitani
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Publication number: 20200177795Abstract: An electronic apparatus including an imaging unit, an operation unit, an output unit, and a control unit, wherein the control unit outputs a sound relating to a first warning using the output unit, in a case where a condition for issuing the first warning is satisfied, wherein the control unit stops outputting the sound relating to the first warning, in a case where an instruction is received by the operation unit, wherein the control unit doesn't output the sound relating to the first warning even when the condition for issuing the first warning is satisfied, in a case where the output of the sound relating to the first warning is stopped, and wherein the control unit outputs a sound relating to a second warning, when a condition for issuing the second warning is satisfied, in a case where the output of the sound relating to the first warning is stopped.Type: ApplicationFiled: November 27, 2019Publication date: June 4, 2020Inventors: Yu Narita, Yoshinori Hayashi, Koichi Sasaki, Dai Miyauchi, Tomotaka Uekusa, Hitoshi Nishitani
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Publication number: 20200029007Abstract: An imaging apparatus capable of capturing two images which may not be obtained by the general HDR imaging by simultaneously capturing two images of different exposures by changing exposure change rates of a low exposure image and a high exposure image is provided. The imaging apparatus includes a calculation unit configured to calculate a first exposure for obtaining a first image included in the plurality of images under a first condition and calculate a second exposure for obtaining a second image included in the plurality of images under a second condition which is different from the first condition, and a setting unit configured to set an exposure for obtaining the first and second images based on the first and second exposures calculated by the calculation unit.Type: ApplicationFiled: September 15, 2017Publication date: January 23, 2020Inventor: Hitoshi Nishitani
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Publication number: 20190334458Abstract: The present invention provides a vibrator made of a non-lead-based piezoelectric material and capable of being driven at a sufficient speed with low power consumption, and provides a vibration wave drive device and an electronical device each using the vibrator. To that end, the vibrator according to the present invention includes a piezoelectric element including a piezoelectric material and electrodes, and an elastic body, wherein a Pb component contained in the piezoelectric material is less than 1000 ppm, and a resonance frequency fA in a vibration mode A and a resonance frequency fB in a vibration mode B satisfy a relation of an absolute value of (fB?fA)>2 (kHz), the vibration mode A and the vibration mode B generating vibration waves in the elastic body with wave fronts of the vibration waves intersecting each other.Type: ApplicationFiled: December 21, 2017Publication date: October 31, 2019Inventors: Tatsuo Furuta, Takayuki Watanabe, Miki Ueda, Shinya Koyama, Makoto Kubota, Takanori Matsuda, Akira Uebayashi, Jumpei Hayashi, Hitoshi Nishitani
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Patent number: 10425020Abstract: In a linear driving apparatus including a vibration wave motor, a sliding guide method is used as a guiding method for a moving member. The apparatus further includes a driving target body movable in a moving direction, a transmission member configured to engage with the driving target body, abut against the abutment part of the moving member, and transmit the driving force of the vibration wave motor to the driving target body, and a biasing member configured to apply a biasing force between the transmission member and the abutment part. The direction of a frictional contact force that the vibrator receives from the friction member and the direction of a biasing contact force that the abutment part receives from the biasing member are parallel and opposite, and the load center of the distribution load of the biasing contact force exists in the range of the outside shape of the vibrator.Type: GrantFiled: November 10, 2016Date of Patent: September 24, 2019Assignee: Canon Kabushiki KaishaInventor: Hitoshi Nishitani