Patents by Inventor Eiji Shinohara
Eiji Shinohara 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: 11803142Abstract: According to one embodiment, an image forming apparatus includes a forming unit, a heating unit, a temperature sensor, and a driving unit. The forming unit is configured to attach toner to a recording medium to form an image on the recording medium. The heating unit is configured to heat the toner that is attached to the recording medium by the forming unit to fix the image to the recording medium. The temperature sensor is configured to detect a temperature of the heating unit. The vibration unit is configured to apply vibration to the temperature sensor in a waiting period in which the image formation by the forming unit is not executed and the heating control by the heating unit is executed.Type: GrantFiled: September 26, 2022Date of Patent: October 31, 2023Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventor: Eiji Shinohara
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Patent number: 11774887Abstract: An image processing apparatus includes a fixing unit including a fixing belt, and a heater configured to heat the fixing belt and including a substrate and a heating layer that is formed on the substrate, and a controller configured to, upon detecting an absence of a current flowing through the fixing belt, control the heater to not generate heat.Type: GrantFiled: February 2, 2022Date of Patent: October 3, 2023Assignee: Toshiba Tec Kabushiki KaishaInventors: Yohei Doi, Eiji Shinohara, Kazuhiko Kikuchi, Sasuke Endo, Masaya Tanaka, Ryota Saeki, Kousei Miyashita, Ryosuke Kojima, Yuki Kawashima, Kiyotaka Murakami
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Publication number: 20230305342Abstract: A display device includes: a plurality of first color filters not intersecting a non-linear portion with at least a part of an outer shape of a display region being non-linear, a plurality of second color filters at least part of which intersects the non-linear portion, a first region with the plurality of first color filters disposed, a second region with the plurality of second color filters disposed, a first light blocking portion partitioning the plurality of first color filters, a second light blocking portion partitioning the plurality of second color filters, and a spacer. An overlapping area of the second light blocking portion with respect to the plurality of second color filters is larger than that of the first light blocking portion with respect to the plurality of first color filters. A distribution density of the spacer in the second region is lower than that in the first region.Type: ApplicationFiled: February 25, 2023Publication date: September 28, 2023Inventors: Masahiro DATE, Kazuhide AKITA, Eiji SHINOHARA, Shota NOZAKI, Tadashi OKAMOTO, Kazuyoshi HAMANAKA, Hiroto AKIYAMA
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Publication number: 20230259058Abstract: A heating device includes a rotatable film, a heater disposed inside the film and including a substrate that extends along a first direction and having two surfaces opposite to each other, and a heater element on one of the surfaces of the substrate, and a heat conductor including a first portion contacting the other surface of the substrate, and a second portion that is adjacent to the first portion in a second direction perpendicular to the first direction and does not contact the other surface of the substrate. A width of the second portion is wider than the heater element in the second direction.Type: ApplicationFiled: April 27, 2023Publication date: August 17, 2023Inventors: Kazuhiko KIKUCHI, Sasuke ENDO, Masaya TANAKA, Ryota SAEKI, Kiyotaka MURAKAMI, Kousei MIYASHITA, Ryosuke KOJIMA, Yohei DOI, Yuki KAWASHIMA, Eiji SHINOHARA
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Patent number: 11669033Abstract: A heating device includes a rotatable film, a heater including a substrate that extends along a first direction and having two surfaces opposite to each other, and a heater element on one of the surfaces of the substrate, and a heat conductor having first and second surfaces and including a first portion contacting the other surface of the substrate, and a second portion that is adjacent to the first portion in a second direction perpendicular to the first direction and does not contact the other surface of the substrate. A thickness of the first portion of the heat conductor from the first surface to the second surface is greater than a thickness of the second portion from the first surface to the second surface.Type: GrantFiled: March 16, 2022Date of Patent: June 6, 2023Assignee: Toshiba Tec Kabushiki KaishaInventors: Kazuhiko Kikuchi, Sasuke Endo, Masaya Tanaka, Ryota Saeki, Kiyotaka Murakami, Kousei Miyashita, Ryosuke Kojima, Yohei Doi, Yuki Kawashima, Eiji Shinohara
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Publication number: 20230158837Abstract: A tire wear measuring device that detects wear of a tire based on a magnetic field from a magnetic object embedded in the tire includes magnetic sensors and a battery. The battery is capable of transmitting the magnetic field from the magnetic object, and has an outer edge from which the magnetic field from the magnetic object is emitted as an emission magnetic field. Each of the magnetic sensors is disposed in a position where the emission magnetic field is detectable by the sensor.Type: ApplicationFiled: January 25, 2023Publication date: May 25, 2023Inventors: Yuki IMAI, Tokuo NAKAMURA, Takafumi NOGUCHI, Hiroyuki TOBARI, Shinya ICHISE, Ryosuke SUZUKI, Rie KUROSAWA, Heishiro FUDO, Eiji SHINOHARA, Manabu TAMURA, Nobuhiko SUEMATSU
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Publication number: 20230160780Abstract: Provided is a tire information detecting device capable of determining an attachment state of a sensor module based on a measurement value supplied from the sensor module installed in a pneumatic tire and accurately detecting tire information. A tire information detecting device (10) configured to detect tire information including at least one of wear of a tire, deformation of the tire, a road surface state, a ground contact state of the tire, presence of failure of the tire, a travel history of the tire, or a load state of the tire includes at least one sensor module (20) disposed on a tire inner surface and a determination unit (15) configured to determine an attachment state of the sensor module (20) based on a measurement value supplied from the sensor module (20).Type: ApplicationFiled: March 18, 2021Publication date: May 25, 2023Inventors: Masahiro NARUSE, Jun MATSUDA, Heishiro FUDO, Eiji SHINOHARA, Shinya ICHISE, Hiroyuki TOBARI
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Publication number: 20230152741Abstract: According to one embodiment, an image forming apparatus includes a driving unit, a first determination unit, a second determination unit, and an output unit. The first determination unit is configured to determine whether or not a rotation abnormality relating to rotation of the driving unit occurs. The second determination unit is configured to determine whether or not a signal abnormality relating to a signal line of a current signal of the driving unit occurs based on a current value of the current signal after the first determination unit determines whether or not the rotation abnormality occurs. The output unit is configured to output a determination result of the second determination unit.Type: ApplicationFiled: September 7, 2022Publication date: May 18, 2023Inventor: Eiji Shinohara
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Patent number: 11635789Abstract: An electronic apparatus includes: a first chassis; a second chassis; a first display provided on an upper surface of the first chassis; a second display provided on an upper surface of the second chassis; and a hinge device that connects the first chassis and the second chassis. The hinge device includes: a first bracket including a first fixing plate fixed to the first chassis; a second bracket including a second fixing plate fixed to the second chassis; a first hinge block that supports a first upper hinge shaft and a first lower hinge shaft arranged vertically between adjacent end surfaces of the first chassis and the second chassis in a flat plate form; and a second hinge block.Type: GrantFiled: June 25, 2021Date of Patent: April 25, 2023Assignee: Lenovo (Singapore) Pte. Ltd.Inventors: Yoshiyuki Shibayama, Kazuyuki Kubota, Eiji Shinohara
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Publication number: 20230108225Abstract: A wear-condition-sensing device includes an element configured to generate voltage based on deformation of a tread portion during tire rotation, a voltage detection unit configured to detect the voltage generated by the element, a storage area configured to store waveform data over time of the voltage detected by the voltage detection unit, a calculation unit configured to calculate an index value of voltage change based on the waveform data stored in the storage area, and a determination unit configured to determine a progress condition of wear of the tread portion by comparing the index value calculated by the calculation unit with reference information.Type: ApplicationFiled: January 15, 2021Publication date: April 6, 2023Inventors: Masahiro NARUSE, Jun MATSUDA, Heishiro FUDO, Eiji SHINOHARA, Shinya ICHISE, Hiroyuki TOBARI, Yuki ONO
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Publication number: 20230081018Abstract: A wear state detection device includes an element configured to generate voltage based on deformation of a tread portion during tire rotation, a voltage detection unit configured to detect the voltage generated by the element, a speed detection unit configured to detect vehicle speed or tire rotation speed, a storage area configured to store waveform data over time of the voltage detected by the voltage detection unit together with the vehicle speed or the tire rotation speed detected by the speed detection unit, a calculation unit configured to calculate frequency of exceedance of a predetermined threshold value based on the waveform data in a predetermined speed range and a predetermined time period stored in the storage area, and a determination unit configured to determine a progress condition of wear of the tread portion based on the frequency of exceedance of the predetermined threshold value calculated by the calculation unit.Type: ApplicationFiled: January 15, 2021Publication date: March 16, 2023Inventors: Masahiro NARUSE, Jun MATSUDA, Heishiro FUDO, Eiji SHINOHARA, Shinya ICHISE, Hiroyuki TOBARI, Yuki ONO
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Publication number: 20220206422Abstract: A heating device includes a rotatable film, a heater including a substrate that extends along a first direction and having two surfaces opposite to each other, and a heater element on one of the surfaces of the substrate, and a heat conductor having first and second surfaces and including a first portion contacting the other surface of the substrate, and a second portion that is adjacent to the first portion in a second direction perpendicular to the first direction and does not contact the other surface of the substrate. A thickness of the first portion of the heat conductor from the first surface to the second surface is greater than a thickness of the second portion from the first surface to the second surface.Type: ApplicationFiled: March 16, 2022Publication date: June 30, 2022Inventors: Kazuhiko KIKUCHI, Sasuke ENDO, Masaya TANAKA, Ryota SAEKI, Kiyotaka MURAKAMI, Kousei MIYASHITA, Ryosuke KOJIMA, Yohei DOI, Yuki KAWASHIMA, Eiji SHINOHARA
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Publication number: 20220171314Abstract: A fixing unit or device that can be used in an image forming apparatus includes a first heater element that is formed of a material that increases in electrical resistance with increases in temperature. A controller of the fixing unit is configured to vary a duty ratio of electric power applied to the first heater element during a start-up operation in which the temperature of the first heater element is raised to a target operating temperature. By varying the duty ratio during the start-up operation, changes in the resistance of the first heater element with the heating can be compensated. For example, the duty ratio can be increased during the course of the start-up to achieve the target operating temperature faster.Type: ApplicationFiled: February 16, 2022Publication date: June 2, 2022Inventors: Kiyotaka MURAKAMI, Kazuhiko KIKUCHI, Sasuke ENDO, Masaya TANAKA, Ryota SAEKI, Kousei MIYASHITA, Ryosuke KOJIMA, Yohei DOI, Yuki KAWASHIMA, Eiji SHINOHARA
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Publication number: 20220155710Abstract: An image processing apparatus includes a fixing unit including a fixing belt, and a heater configured to heat the fixing belt and including a substrate and a heating layer that is formed on the substrate, and a controller configured to, upon detecting an absence of a current flowing through the fixing belt, control the heater to not generate heat.Type: ApplicationFiled: February 2, 2022Publication date: May 19, 2022Inventors: Yohei DOI, Eiji SHINOHARA, Kazuhiko KIKUCHI, Sasuke ENDO, Masaya TANAKA, Ryota SAEKI, Kousei MIYASHITA, Ryosuke KOJIMA, Yuki KAWASHIMA, Kiyotaka MURAKAMI
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Patent number: 11307522Abstract: A heating device includes a rotatable film, a heater including a substrate that extends along a first direction, and a heater element on the substrate and facing the film, a heat conductor having first and second surfaces and including a first portion contacting the substrate, and a second portion that is adjacent to the first portion in a second direction perpendicular to the first direction and does not contact the substrate, and a temperature sensing element on the second surface at a position corresponding to the second portion. A thickness of the first portion from the first surface to the second surface is greater than a thickness of the second portion from the first surface to the second surface.Type: GrantFiled: April 27, 2021Date of Patent: April 19, 2022Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: Kazuhiko Kikuchi, Sasuke Endo, Masaya Tanaka, Ryota Saeki, Kiyotaka Murakami, Kousei Miyashita, Ryosuke Kojima, Yohei Doi, Yuki Kawashima, Eiji Shinohara
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Patent number: 11281132Abstract: A fixing unit or device that can be used in an image forming apparatus includes a first heater element that is formed of a material that increases in electrical resistance with increases in temperature. A controller of the fixing unit is configured to vary a duty ratio of electric power applied to the first heater element during a start-up operation in which the temperature of the first heater element is raised to a target operating temperature. By varying the duty ratio during the start-up operation, changes in the resistance of the first heater element with the heating can be compensated. For example, the duty ratio can be increased during the course of the start-up to achieve the target operating temperature faster.Type: GrantFiled: July 6, 2020Date of Patent: March 22, 2022Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: Kiyotaka Murakami, Kazuhiko Kikuchi, Sasuke Endo, Masaya Tanaka, Ryota Saeki, Kousei Miyashita, Ryosuke Kojima, Yohei Doi, Yuki Kawashima, Eiji Shinohara
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Publication number: 20220080779Abstract: A tire deterioration inferring (estimating) method uses a tire deterioration inferring device placed on the inner surface of a tire. The method has: a deformation velocity measurement step of measuring a tire deformation velocity, which is the deformation velocity of the tire while the tire is rotating, and obtaining time-series changes in the tire deformation velocity; a calculation step of calculating peak values of the tire deformation velocity from the time-series changes in the tire deformation velocity; and an inference step of inferring the degree of the deterioration of the tire by using a first peak value, which is a peak value of the tire deformation velocity before and at the stepping of the tire or at and after the kicking of the tire, the first peak value being in the time-series changes in the tire deformation velocity.Type: ApplicationFiled: November 24, 2021Publication date: March 17, 2022Inventors: Heishiro FUDO, Eiji SHINOHARA, Shinya ICHISE, Hiroyuki TOBARI, Akihito YAMAMOTO, Yuki ONO
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Patent number: 11275330Abstract: An image processing apparatus includes a fixing unit including a heater and a fixing belt. The fixing belt is electrically connected between a first power source and a ground terminal. A controller is configured to control the heater to heat the fixing belt. The controller is further configured to determine whether a current is flowing through the fixing belt and, upon determining that a current is not flowing through the fixing belt, control the heater not to heat the fixing belt.Type: GrantFiled: March 22, 2021Date of Patent: March 15, 2022Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: Yohei Doi, Eiji Shinohara, Kazuhiko Kikuchi, Sasuke Endo, Masaya Tanaka, Ryota Saeki, Kousei Miyashita, Ryosuke Kojima, Yuki Kawashima, Kiyotaka Murakami
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Publication number: 20220066380Abstract: The image forming apparatus has a fixing belt, a heater, a switch, a breaker, and a controller. The fixing belt is configured to circulate. The fixing belt is positioned to contact a sheet to which a toner image is transferred. The heater is configured to heat the fixing belt and thereby heat the toner image via the fixing belt. The switch is configured to selectively supply the heater with electric power provided by a power source. The breaker is connected between the power source and the switch. The breaker is operable in an OFF state and an ON state. The controller is configured to (i) switch the breaker to the OFF state from the ON state and (ii) maintain the breaker in the OFF state when (i) the state of the breaker is in the OFF state and (ii) circulation of the fixing belt is stopped.Type: ApplicationFiled: August 25, 2020Publication date: March 3, 2022Applicant: TOSHIBA TEC KABUSHIKI KAISHAInventor: Eiji SHINOHARA
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Patent number: 11262685Abstract: The image forming apparatus has a fixing belt, a heater, a switch, a breaker, and a controller. The fixing belt is configured to circulate. The fixing belt is positioned to contact a sheet to which a toner image is transferred. The heater is configured to heat the fixing belt and thereby heat the toner image via the fixing belt. The switch is configured to selectively supply the heater with electric power provided by a power source. The breaker is connected between the power source and the switch. The breaker is operable in an OFF state and an ON state. The controller is configured to (i) switch the breaker to the OFF state from the ON state and (ii) maintain the breaker in the OFF state when (i) the state of the breaker is in the OFF state and (ii) circulation of the fixing belt is stopped.Type: GrantFiled: August 25, 2020Date of Patent: March 1, 2022Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventor: Eiji Shinohara