Patents by Inventor Yasunari Harada
Yasunari Harada 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: 20230225600Abstract: An imaging device includes a camera unit and a control unit. The camera unit includes an image sensor. The control unit includes a voltage measurement circuit and a voltage adjustment circuit. A first power source voltage is transferred from the control unit to the camera unit by a power source line and is input to the camera unit as a second power source voltage. A video signal or the second power source voltage is output to a video signal line. The voltage measurement circuit is configured to measure a voltage value of the second power source voltage. The voltage adjustment circuit is configured to adjust a value of the first power source voltage based on the value of the second power source voltage.Type: ApplicationFiled: March 24, 2023Publication date: July 20, 2023Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Takaharu TANI, Keisuke OGAWA, Yasunari HARADA
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Patent number: 11647170Abstract: An image projection device includes a projector configured to project an image; and an operation unit configured to receive an operation performed by an operator. The projector is in a projecting state while the operation unit is receiving a pressing operation performed by the operator, and the projector is in a non-projecting state while the operation unit is not receiving a pressing operation performed by the operator.Type: GrantFiled: October 21, 2020Date of Patent: May 9, 2023Assignee: Ricoh Company, Ltd.Inventors: Tomoko Takahashi, Yuuji Wada, Yu Yoneda, Daisuke Tomita, Kunihiko Nishioka, Hideki Kosugi, Yasukazu Kitamura, Toshihiro Hamamura, Takaya Muraishi, Naomi Sugimoto, Yasunari Harada
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Publication number: 20220322923Abstract: In an imaging system, a video output circuit is configured to convert an analog video signal into digital data and output serial data including the digital data to a signal line on the basis of a serial clock having a higher frequency than a frequency of the camera clock. A camera-clock generation circuit is configured to generate the camera clock synchronized with the system clock output to the signal line. A serial-clock generation circuit is configured to generate the serial clock synchronized with the system clock output to the signal line. A system-clock output circuit is configured to output the system clock to the signal line in a blanking period.Type: ApplicationFiled: June 29, 2022Publication date: October 13, 2022Applicant: OLYMPUS CORPORATIONInventor: Yasunari Harada
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Patent number: 11206377Abstract: An imaging apparatus includes: an imager configured to generate an imaging signal; a transmission channel configured to connect a controller and the images; a superimposed signal generator that is arranged on a proximal end side of the transmission channel, the superimposed signal generator being configured to generate a superimposed signal by superimposing a pulsed data signal and a pulsed reference clock signal, and output the generated superimposed signal to the transmission channel; a first extractor that is arranged on a distal end side of the transmission channel, the first extractor being configured to extract the data signal and the reference clock signal from the generated superimposed signal; and a second extractor that is arranged on the distal end side of the transmission channel, the second extractor being configured to extract the negative voltage from the generated superimposed signal.Type: GrantFiled: November 27, 2020Date of Patent: December 21, 2021Assignee: OLYMPUS CORPORATIONInventors: Yasunari Harada, Satoru Adachi
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Patent number: 11117389Abstract: A handheld recording device includes a first face, a second face, a third face pair, a recorder, and a connector. The first face has an opening. The second face is disposed opposite the first face. The third face pair is different from the first face and the second face. One of the third face pair is disposed on one side in a given direction of the second face and configured to be held by a user for recording. The recorder is configured to discharge ink from the opening. The connector is configured to be connected to a cable to receive at least one of power and image data. The connector is disposed at a position closer to the second face than the first face, on another one of the third face pair disposed on another side in the given direction of the second face.Type: GrantFiled: August 14, 2019Date of Patent: September 14, 2021Assignee: RICOH COMPANY, LTD.Inventors: Yasunari Harada, Tetsuyoshi Nakata, Hideaki Iijima
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Patent number: 11046091Abstract: A data generation system includes circuitry configured to generate data of sub-images constructing an image. Each of the sub-images includes at least one of image elements of the image. The image elements are aligned in a direction perpendicular to a given direction in which an image forming apparatus moves to form the image. The circuitry is configured to, when, in an attempt to add another one of the image elements adjacent to the at least one of the image elements in one of the sub-images, the other one of the image elements does not fit within the one of the sub-images, generate data of the one of the sub-images without the other one of the image elements.Type: GrantFiled: July 11, 2019Date of Patent: June 29, 2021Assignee: Ricoh Company, Ltd.Inventors: Takeshi Shikama, Yasunari Harada, Hiroki Tanaka
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Publication number: 20210127097Abstract: An image projection device includes a projector configured to project an image; and an operation unit configured to receive an operation performed by an operator. The projector is in a projecting state while the operation unit is receiving a pressing operation performed by the operator, and the projector is in a non-projecting state while the operation unit is not receiving a pressing operation performed by the operator.Type: ApplicationFiled: October 21, 2020Publication date: April 29, 2021Applicant: Ricoh Company, Ltd.Inventors: Tomoko TAKAHASHI, Yuuji WADA, Yu YONEDA, Daisuke TOMITA, Kunihiko NISHIOKA, Hideki KOSUGI, Yasukazu KITAMURA, Toshihiro HAMAMURA, Takaya MURAISHI, Naomi SUGIMOTO, Yasunari HARADA
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Patent number: 10974521Abstract: A liquid droplet discharging apparatus is movable and includes a plurality of nozzles to discharge a liquid droplet onto a medium according to a first image data section and a second image data section of image data. A moving amount sensor detects a moving amount of the liquid droplet discharging apparatus. A switcher switches from the first image data section to the second image data section based on the detected moving amount.Type: GrantFiled: February 26, 2018Date of Patent: April 13, 2021Assignee: RICOH COMPANY, LTD.Inventors: Tetsuyoshi Nakata, Yasunari Harada, Jun Watanabe, Hideaki Iijima, Toshiaki Hosokawa, Shunsuke Shitaoka
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Publication number: 20210105444Abstract: An imaging apparatus includes: an imager configured to generate an imaging signal; a transmission channel configured to connect a controller and the images; a superimposed. signal generator that is arranged on a proximal end side of the transmission channel, the superimposed signal generator being configured to generate a superimposed signal by superimposing a pulsed data signal and a pulsed reference clock signal, and output the generated superimposed signal to the transmission channel; a first extractor that is arranged on a distal end side of the transmission channel, the first extractor being configured to extract the data signal and the reference clock signal from the generated superimposed signal; and a second extractor that is arranged on the distal end side of the transmission channel, the second extractor being configured to extract the negative voltage from the generated superimposed signal.Type: ApplicationFiled: November 27, 2020Publication date: April 8, 2021Applicant: OLYMPUS CORPORATIONInventors: Yasunari HARADA, Satoru ADACHI
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Publication number: 20210070039Abstract: A droplet discharge apparatus discharges a droplet to form an image on a recording medium while being moved by a user. The droplet discharge apparatus includes ahead to discharge a droplet on a recording medium according to image data, a sensor to detect a movement amount of the droplet discharge apparatus in a predetermined period, and a processor. The processor is configured to instruct droplet discharge based on the image data and the movement amount detected by the sensor, determine floating of the droplet discharge apparatus from the recording medium based on information from the sensor, and stop the droplet discharge in response to a determination that the droplet discharge apparatus is floating.Type: ApplicationFiled: November 18, 2020Publication date: March 11, 2021Applicant: Ricoh Company, Ltd.Inventors: Hideaki IIJIMA, Tetsuyoshi NAKATA, Jun WATANABE, Yasunari HARADA, Toshiaki HOSOKAWA, Shunsuke SHITAOKA
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Patent number: 10882332Abstract: A mobile image forming apparatus includes a body, a recording device supported by the body and configured to form an image on a recording medium, a roller provided to the body and configured to rotate on the recording medium while the body is moved in a scanning direction for image formation. The mobile image forming apparatus further includes a switching device configured to switch a state of the mobile image forming apparatus during image formation between a roller contact state in which the roller is in contact with the recording medium and a roller contactless state in which the roller is contactless with the recording medium.Type: GrantFiled: December 11, 2018Date of Patent: January 5, 2021Assignee: RICOH COMPANY, LTD.Inventors: Toshikane Nishii, Hiroshi Ishii, Kunihiko Nishioka, Mitsutaka Nakamura, Akiyoshi Tanaka, Yasunari Harada
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Patent number: 10870270Abstract: A droplet discharge apparatus discharges a droplet to form an image on a recording medium while being moved by a user. The droplet discharge apparatus includes a head to discharge a droplet on a recording medium according to image data, a sensor to detect a movement amount of the droplet discharge apparatus in a predetermined period, and a processor. The processor is configured to instruct droplet discharge based on the image data and the movement amount detected by the sensor, determine floating of the droplet discharge apparatus from the recording medium based on information from the sensor, and stop the droplet discharge in response to a determination that the droplet discharge apparatus is floating.Type: GrantFiled: September 19, 2018Date of Patent: December 22, 2020Assignee: RICOH COMPANY, LTD.Inventors: Hideaki Iijima, Tetsuyoshi Nakata, Jun Watanabe, Yasunari Harada, Toshiaki Hosokawa, Shunsuke Shitaoka
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Patent number: 10812099Abstract: In an AD converter, a first capacitor DAC circuit performs a first operation in parallel with a second operation by a second capacitor DAC circuit, and the first capacitor DAC circuit performs the second operation in parallel with the first operation by the second capacitor DAC circuit. Electric charge corresponding to an input signal is sampled in the first operation. AD conversions are sequentially performed on the basis of the electric charge sampled in each first capacitor included in a plurality of first capacitors or each second capacitor included in a plurality of second capacitors in the second operation. The first capacitor DAC circuit and the second capacitor DAC circuit alternately perform the first operation and the second operation.Type: GrantFiled: August 21, 2018Date of Patent: October 20, 2020Assignee: OLYMPUS CORPORATIONInventors: Hideki Kato, Yasunari Harada, Shuzo Hiraide, Masato Osawa
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Patent number: 10757357Abstract: An imaging element includes: a plurality of pixels where each pixel is configured to generate an imaging signal; a noise eliminating circuit configured to eliminate a noise component included in the imaging signal; a plurality of column source follower buffers where each column source follower buffer is configured to amplify the imaging signal from which the noise component has been eliminated by the noise eliminating circuit, and output the amplified signal; a horizontal scanning circuit configured to sequentially select the column source follower buffer and output the imaging signal; and a buffer circuit which is connected with the column source follower buffer sequentially selected by the horizontal scanning circuit to form a voltage follower circuit, the buffer circuit being configured to perform impedance conversion on a voltage of the imaging signal output from the column source follower buffer, and output the converted signal to an outside.Type: GrantFiled: June 17, 2019Date of Patent: August 25, 2020Assignee: OLYMPUS CORPORATIONInventors: Yasunari Harada, Shuzo Hiraide, Masato Osawa, Satoru Adachi
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Patent number: 10744787Abstract: A liquid droplet discharging apparatus includes a plurality of nozzles to discharge a liquid droplet onto a medium and a liquid droplet discharging controller to receive image data. The liquid droplet discharging controller controls each of the nozzles to discharge the liquid droplet in an amount defined by the image data onto a target discharging position on the medium, which corresponds to a pixel position defined by the image data. The liquid droplet discharging controller controls at least one of the nozzles to discharge the liquid droplet for a controlled number of times smaller than a number of times N representing an integer not smaller than 2 in an amount greater than the amount defined by the image data onto the target discharging position on the medium. A frequency recorder records the controlled number of times of discharging for each of the at least one of the nozzles.Type: GrantFiled: February 26, 2018Date of Patent: August 18, 2020Assignee: RICOH COMPANY, LTD.Inventors: Yasunari Harada, Jun Watanabe, Tetsuyoshi Nakata, Hideaki Iijima, Toshiaki Hosokawa, Shunsuke Shitaoka
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Patent number: 10696063Abstract: A mobile image forming apparatus includes a body; a recording device supported by the body and configured to form an image on a recording medium, and at least one roller provided to the body and configured to rotate on the recording medium while the body is moved in a scanning direction for image formation. The mobile image forming apparatus further includes at least one pressing member disposed in contact with the at least one roller and configured to press the at least one roller in a roller axial direction.Type: GrantFiled: December 27, 2018Date of Patent: June 30, 2020Assignee: Ricoh Company, Ltd.Inventors: Toshikane Nishii, Hiroshi Ishii, Kunihiko Nishioka, Akiyoshi Tanaka, Yasunari Harada, Mitsutaka Nakamura
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Patent number: D902990Type: GrantFiled: February 22, 2019Date of Patent: November 24, 2020Assignee: Ricoh Company, Ltd.Inventors: Kazuyoshi Yamada, Naoto Tsuruoka, Kunihiko Nishioka, Yasunari Harada
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Patent number: D904506Type: GrantFiled: February 21, 2019Date of Patent: December 8, 2020Assignee: Ricoh Company, Ltd.Inventors: Kazuyoshi Yamada, Naoto Tsuruoka, Kunihiko Nishioka, Yasunari Harada
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Patent number: D914083Type: GrantFiled: February 22, 2019Date of Patent: March 23, 2021Assignee: Ricoh Company, Ltd.Inventors: Kazuyoshi Yamada, Naoto Tsuruoka, Kunihiko Nishioka, Yasunari Harada
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Patent number: RE49057Abstract: A position detection apparatus configured to detect a position on a movement surface of a mounted object having the position detection apparatus mounted thereon, includes a moved amount detector configured to detect an amount of movement on the movement surface; a posture detector configured to detect at least a posture of the mounted object on the movement surface; and a position calculator configured to calculate the position of the mounted object, based on the amount of movement and the posture.Type: GrantFiled: July 13, 2020Date of Patent: May 3, 2022Assignee: Ricoh Company, Ltd.Inventors: Yasunari Harada, Jun Watanabe, Tetsuyoshi Nakata, Hiroki Tanaka, Toshiaki Hosokawa, Shunsuke Shitaoka