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).

  • Publication number: 20230225600
    Abstract: 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: Application
    Filed: March 24, 2023
    Publication date: July 20, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Takaharu TANI, Keisuke OGAWA, Yasunari HARADA
  • Patent number: 11647170
    Abstract: 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: Grant
    Filed: October 21, 2020
    Date of Patent: May 9, 2023
    Assignee: 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
  • Publication number: 20220322923
    Abstract: 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: Application
    Filed: June 29, 2022
    Publication date: October 13, 2022
    Applicant: OLYMPUS CORPORATION
    Inventor: Yasunari Harada
  • Patent number: 11206377
    Abstract: 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: Grant
    Filed: November 27, 2020
    Date of Patent: December 21, 2021
    Assignee: OLYMPUS CORPORATION
    Inventors: Yasunari Harada, Satoru Adachi
  • Patent number: 11117389
    Abstract: 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: Grant
    Filed: August 14, 2019
    Date of Patent: September 14, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yasunari Harada, Tetsuyoshi Nakata, Hideaki Iijima
  • Patent number: 11046091
    Abstract: 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: Grant
    Filed: July 11, 2019
    Date of Patent: June 29, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Takeshi Shikama, Yasunari Harada, Hiroki Tanaka
  • Publication number: 20210127097
    Abstract: 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: Application
    Filed: October 21, 2020
    Publication date: April 29, 2021
    Applicant: 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
  • Patent number: 10974521
    Abstract: 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: Grant
    Filed: February 26, 2018
    Date of Patent: April 13, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Tetsuyoshi Nakata, Yasunari Harada, Jun Watanabe, Hideaki Iijima, Toshiaki Hosokawa, Shunsuke Shitaoka
  • Publication number: 20210105444
    Abstract: 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: Application
    Filed: November 27, 2020
    Publication date: April 8, 2021
    Applicant: OLYMPUS CORPORATION
    Inventors: Yasunari HARADA, Satoru ADACHI
  • Publication number: 20210070039
    Abstract: 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: Application
    Filed: November 18, 2020
    Publication date: March 11, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Hideaki IIJIMA, Tetsuyoshi NAKATA, Jun WATANABE, Yasunari HARADA, Toshiaki HOSOKAWA, Shunsuke SHITAOKA
  • Patent number: 10882332
    Abstract: 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: Grant
    Filed: December 11, 2018
    Date of Patent: January 5, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Toshikane Nishii, Hiroshi Ishii, Kunihiko Nishioka, Mitsutaka Nakamura, Akiyoshi Tanaka, Yasunari Harada
  • Patent number: 10870270
    Abstract: 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: Grant
    Filed: September 19, 2018
    Date of Patent: December 22, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hideaki Iijima, Tetsuyoshi Nakata, Jun Watanabe, Yasunari Harada, Toshiaki Hosokawa, Shunsuke Shitaoka
  • Patent number: 10812099
    Abstract: 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: Grant
    Filed: August 21, 2018
    Date of Patent: October 20, 2020
    Assignee: OLYMPUS CORPORATION
    Inventors: Hideki Kato, Yasunari Harada, Shuzo Hiraide, Masato Osawa
  • Patent number: 10757357
    Abstract: 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: Grant
    Filed: June 17, 2019
    Date of Patent: August 25, 2020
    Assignee: OLYMPUS CORPORATION
    Inventors: Yasunari Harada, Shuzo Hiraide, Masato Osawa, Satoru Adachi
  • Patent number: 10744787
    Abstract: 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: Grant
    Filed: February 26, 2018
    Date of Patent: August 18, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yasunari Harada, Jun Watanabe, Tetsuyoshi Nakata, Hideaki Iijima, Toshiaki Hosokawa, Shunsuke Shitaoka
  • Patent number: 10696063
    Abstract: 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: Grant
    Filed: December 27, 2018
    Date of Patent: June 30, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Toshikane Nishii, Hiroshi Ishii, Kunihiko Nishioka, Akiyoshi Tanaka, Yasunari Harada, Mitsutaka Nakamura
  • Patent number: D902990
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: November 24, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Kazuyoshi Yamada, Naoto Tsuruoka, Kunihiko Nishioka, Yasunari Harada
  • Patent number: D904506
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: December 8, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Kazuyoshi Yamada, Naoto Tsuruoka, Kunihiko Nishioka, Yasunari Harada
  • Patent number: D914083
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: March 23, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Kazuyoshi Yamada, Naoto Tsuruoka, Kunihiko Nishioka, Yasunari Harada
  • Patent number: RE49057
    Abstract: 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: Grant
    Filed: July 13, 2020
    Date of Patent: May 3, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Yasunari Harada, Jun Watanabe, Tetsuyoshi Nakata, Hiroki Tanaka, Toshiaki Hosokawa, Shunsuke Shitaoka