Patents by Inventor Hideaki Iijima
Hideaki Iijima 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: 20250055894Abstract: An information processing apparatus includes circuitry to change a setting relating to a role of either a group owner or a client in response to a user operation, determine the role based on the setting related to the role, and wirelessly communicate with another information processing apparatus in the role that is determined.Type: ApplicationFiled: July 24, 2024Publication date: February 13, 2025Applicant: Ricoh Company, Ltd.Inventor: Hideaki Iijima
-
Publication number: 20240208389Abstract: Provided is a dump truck capable of switching a destination of supply of hydraulic oil from a hoist cylinder to a fan motor at an appropriate time.Type: ApplicationFiled: March 19, 2021Publication date: June 27, 2024Inventors: Hideaki IIJIMA, Jun IKEDA, Kazunori ISHIHARA, Tatsuya SUGAHARA
-
Publication number: 20240169954Abstract: A display apparatus includes circuitry to receive video input via a wired connection or a wireless connection from a communication terminal, output the video via the wired connection or the wireless connection based on an input setting indicating which one of the wired connection and the wireless connection is set, and in a case where the input setting is set to the wireless connection, change a transition condition of the display apparatus, the transition condition indicating a condition in which the display apparatus shifts from an output-enabled mode in which the video is displayed, to a power-saving mode in which the video is not displayed.Type: ApplicationFiled: November 9, 2023Publication date: May 23, 2024Applicant: Ricoh Company, Ltd.Inventors: Kenji Namie, Hideaki Iijima
-
Patent number: 11987115Abstract: Provided is a technique for improving the cooling efficiency of a vehicle heat exchange system configured to cool a cooling liquid discharged from each of a plurality of heat sources.Type: GrantFiled: February 19, 2020Date of Patent: May 21, 2024Assignee: HITACHI CONSTRUCTION MACHINERY CO., LTD.Inventors: Kazunori Ishihara, Jun Ikeda, Takaaki Tanaka, Yoshifumi Nabeshima, Hideaki Iijima, Tsukasa Akiyama
-
Publication number: 20240070108Abstract: A display apparatus includes a plurality of connectors including a first connector and a second connector, a power supply, a display panel, and circuitry. Each of the plurality of connectors is connectable with one of a plurality of external devices including a first external device and a second external device. The circuitry is to detect that one of the plurality of external devices is connected to one of the plurality of connectors, perform negotiation on electric power with the external device that is detected, and control the power supply to output, based on a result of the negotiation, electric power to be used by the external device that is detected from the connector.Type: ApplicationFiled: July 27, 2023Publication date: February 29, 2024Applicant: Ricoh Company, Ltd.Inventor: Hideaki Iijima
-
Publication number: 20230280794Abstract: A display device includes a housing, a screen, and a control board. The housing includes grip portions to be gripped at a right end portion and a left end portion of the housing in a horizontal direction. The screen is on a front face of the housing. The control board controls the display device and is disposed at a position at which the control board does not overlap with the grip portions in a direction orthogonal to the screen.Type: ApplicationFiled: January 17, 2023Publication date: September 7, 2023Applicant: Ricoh Company, Ltd.Inventor: Hideaki Iijima
-
Publication number: 20220410566Abstract: An information processing device for generating data to be used by a recording device, which includes a plurality of discharge portions configured to discharge a liquid to form the object on the medium, includes a communication circuit configured to communicate with the recording device; an identifying unit configured to identify, based on a movement direction of the recording device in formation of the object on the medium, an initial pixel of the object formed by an initial discharge of the liquid by each of the plurality of discharge portions; a data generation unit configured to generate discharge control data for controlling a discharge operation of each of the plurality of discharge portions for the initial pixel identified by the identifying unit; and a transmission control unit configured to control the communication circuit to transmit the discharge control data to the recording device.Type: ApplicationFiled: November 26, 2020Publication date: December 29, 2022Inventors: Yuji TANAKA, Tetsuyoshi NAKATA, Hideaki IIJIMA
-
Publication number: 20220281311Abstract: Provided is a technique for improving the cooling efficiency of a vehicle heat exchange system configured to cool a cooling liquid discharged from each of a plurality of heat sources.Type: ApplicationFiled: February 19, 2020Publication date: September 8, 2022Inventors: Kazunori ISHIHARA, Jun IKEDA, Takaaki TANAKA, Yoshifumi NABESHIMA, Hideaki IIJIMA, Tsukasa AKIYAMA
-
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
-
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
-
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
-
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
-
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
-
Patent number: 10479105Abstract: A droplet discharge apparatus to discharge droplets while moved by a user includes a head to discharge a droplet onto a recording medium, a sensor to detect a movement amount of the droplet discharge apparatus in a predetermined period, and a memory to store determination information indicating whether droplet discharging has been instructed for each pixel of the image data. The droplet discharge apparatus further includes a processor configured to accumulate the movement amount to calculate a total movement amount of the droplet discharge apparatus; instruct droplet discharging from the head based on the total movement amount and the image data; instruct droplet discharging only for an unprinted pixel for which the determination information indicates that droplet discharging has not been instructed; and rewrite the determination information of the unprinted pixel to indicate that droplet discharging has been instructed, based on a predetermined condition.Type: GrantFiled: August 14, 2018Date of Patent: November 19, 2019Assignee: RICOH COMPANY, LTD.Inventors: Toshiaki Hosokawa, Jun Watanabe, Tetsuyoshi Nakata, Yasunari Harada, Hideaki Iijima, Shunsuke Shitaoka
-
Patent number: 10308014Abstract: A computer program for an information processing device communicating with a droplet discharging device is provided. The droplet discharging device is configured to form rendering data on a printing medium by being moved by a user on the printing medium, and includes a position calculation unit for calculating a position of the droplet discharging device, and a droplet discharging unit for discharging a droplet in accordance with the rendering data and location information. The computer program is configured to cause the information processing device to function as a scanning direction output unit for outputting a scanning direction of the droplet discharging device.Type: GrantFiled: June 11, 2018Date of Patent: June 4, 2019Assignee: Ricoh Company, Ltd.Inventors: Jun Watanabe, Yasunari Harada, Hideaki Iijima, Hiroki Tanaka, Toshiaki Hosokawa, Shunsuke Shitaoka
-
Publication number: 20190143674Abstract: 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: ApplicationFiled: September 19, 2018Publication date: May 16, 2019Inventors: Hideaki IIJIMA, Tetsuyoshi NAKATA, Jun WATANABE, Yasunari HARADA, Toshiaki HOSOKAWA, Shunsuke SHITAOKA
-
Publication number: 20190105920Abstract: A droplet discharge apparatus to discharge droplets while moved by a user includes a head to discharge a droplet onto a recording medium, a sensor to detect a movement amount of the droplet discharge apparatus in a predetermined period, and a memory to store determination information indicating whether droplet discharging has been instructed for each pixel of the image data. The droplet discharge apparatus further includes a processor configured to accumulate the movement amount to calculate a total movement amount of the droplet discharge apparatus; instruct droplet discharging from the head based on the total movement amount and the image data; instruct droplet discharging only for an unprinted pixel for which the determination information indicates that droplet discharging has not been instructed; and rewrite the determination information of the unprinted pixel to indicate that droplet discharging has been instructed, based on a predetermined condition.Type: ApplicationFiled: August 14, 2018Publication date: April 11, 2019Inventors: Toshiaki HOSOKAWA, Jun WATANABE, Tetsuyoshi NAKATA, Yasunari HARADA, Hideaki IIJIMA, Shunsuke SHITAOKA
-
Publication number: 20180354257Abstract: A computer program for an information processing device communicating with a droplet discharging device is provided. The droplet discharging device is configured to form rendering data on a printing medium by being moved by a user on the printing medium, and includes a position calculation unit for calculating a position of the droplet discharging device, and a droplet discharging unit for discharging a droplet in accordance with the rendering data and location information. The computer program is configured to cause the information processing device to function as a scanning direction output unit for outputting a scanning direction of the droplet discharging device.Type: ApplicationFiled: June 11, 2018Publication date: December 13, 2018Applicant: Ricoh Company, Ltd.Inventors: Jun WATANABE, Yasunari HARADA, Hideaki IIJIMA, Hiroki TANAKA, Toshiaki HOSOKAWA, Shunsuke SHITAOKA
-
Publication number: 20180250948Abstract: 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: ApplicationFiled: February 26, 2018Publication date: September 6, 2018Inventors: Yasunari Harada, Jun Watanabe, Tetsuyoshi Nakata, Hideaki Iijima, Toshiaki Hosokawa, Shunsuke Shitaoka
-
Patent number: 9961737Abstract: A system in accordance with the present disclosure comprises a sensor and an information processing apparatus that includes processing circuitry. The sensor is installed on a surface so that a detection direction of the sensor is at a non-zero angle from a line normal to the surface. The processing circuitry is configured to communicate with the sensor, calculate a position of a detection area, in which the sensor detects an object in a predetermined space, according to the non-zero angle and a location of the sensor on the surface, and create correspondence information that associates an area of the predetermined space with the detection area.Type: GrantFiled: February 24, 2017Date of Patent: May 1, 2018Assignee: Ricoh Company, Ltd.Inventors: Yuji Ohue, Kiriko Chosokabe, Kazunari Tonami, Akira Murakata, Akiyoshi Nakai, Hideaki Iijima, Yushi Miyata