Patents by Inventor Masaki Kontani
Masaki Kontani 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: 20230347740Abstract: A display device includes: an outer cover with light transmission properties; a design sheet with light transmission properties provided on the outer cover; a cushion layer with light transmission properties provided on a back surface side of the outer cover; and a light source provided on a back surface side of the cushion layer. When viewed in a cross section, the cushion layer includes: a plurality of first concave portions that are in a convex shape in a first orientation and a concave shape on a side opposite to the convex shape; and a plurality of second concave portions that are connected to the first concave portions and are in a convex shape in a second orientation and a concave shape on a side opposite to the convex shape. The first concave portions and the second concave portions are alternately provided.Type: ApplicationFiled: April 13, 2023Publication date: November 2, 2023Inventors: Masaki KONTANI, Takeshi MASUTANI
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Publication number: 20230292453Abstract: A display device includes: a front cover that is optically transmissive; a design sheet that is optically transmissive and is arranged on the front surface side or the back surface side of the front cover; a cushion layer that is optically transmissive and is arranged on the back surface side of the front cover; and a light source that is arranged on the back surface side of the cushion layer. The cushion layer includes a plurality of first recessed portions each of which is, in a cross-sectional view taken along a plane parallel to a stacking direction of the front cover and the design sheet, in a projecting shape in the stacking direction and is in a recessed shape on the back side of the projecting shape.Type: ApplicationFiled: November 2, 2022Publication date: September 14, 2023Inventors: Masaki KONTANI, Takeshi MASUTANI
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Patent number: 11379046Abstract: An input device includes: a surface layer; a design sheet disposed on a front surface side or a back surface side of the surface layer; a cushion layer disposed on the back surface side of the surface layer and having a void therein; a plate-shaped frame disposed on a side of the cushion layer opposite to the surface layer; a main body that movably holds the frame in a first direction, in which the surface layer and the frame are stacked, when the surface layer is pressed; and a push-in detector mechanically connected to the frame. The design sheet includes a first portion in which a design is disposed and a second portion in which the design is not disposed in a plan view, and each of the surface layer and the cushion layer extends across the first portion and the second portion in the plan view.Type: GrantFiled: October 11, 2021Date of Patent: July 5, 2022Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Masaki Kontani, Hideaki Eto
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Publication number: 20220137707Abstract: An input device includes: a surface layer; a design sheet disposed on a front surface side or a back surface side of the surface layer; a cushion layer disposed on the back surface side of the surface layer and having a void therein; a plate-shaped frame disposed on a side of the cushion layer opposite to the surface layer; a main body that movably holds the frame in a first direction, in which the surface layer and the frame are stacked, when the surface layer is pressed; and a push-in detector mechanically connected to the frame. The design sheet includes a first portion in which a design is disposed and a second portion in which the design is not disposed in a plan view, and each of the surface layer and the cushion layer extends across the first portion and the second portion in the plan view.Type: ApplicationFiled: October 11, 2021Publication date: May 5, 2022Inventors: Masaki KONTANI, Hideaki ETO
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Patent number: 11105969Abstract: A display device that includes first and second light sources, a light guide body, and a mask body is provided. The light guide body includes a reflector that has a shape of a first design. The light guide body guides first light emitted by the first light source and reflects the first light by the reflector to display the first design. The mask body includes a light-transmissive portion and a light-blocking portion. The light-transmissive portion has a shape of a second design, and the light-blocking portion is a portion other than the light-transmissive portion. The light-transmissive portion transmits second light emitted by the second light source to display the second design. The first design is displayed at a first display luminance, and the second design is displayed at a second display luminance. The first display luminance and the second display luminance are substantially equalized.Type: GrantFiled: February 5, 2019Date of Patent: August 31, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yuma Sasagawa, Masaki Kontani
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Patent number: 10890312Abstract: A display device including a protruding-plate includes the protruding-plate, a thin-film-layer, a transparent-base-material, a first-concealing-layer, a light-diffusion-layer, a light-color-toning-layer, and a second-concealing-layer. The first-concealing-layer is disposed closer to the protruding-plate than the second-concealing-layer and the light-color-toning-layer to the protruding-plate. The protruding-plate, the transparent-base-material, the thin-film-layer, and the second-concealing-layer include a greater thickness in this order. The second-concealing-layer, the first-concealing-layer, and the light-diffusion-layer have a same thickness. The light-diffusion-layer is thicker than the light-color-toning-layer. The transparent-base-material and the thin-film-layer have a same light transmittance. The thin-film-layer, the protruding-plate, the light-diffusion-layer, the light-color-toning-layer, the first-concealing-layer, and the second-concealing-layer have a higher light transmittance in this order.Type: GrantFiled: February 26, 2019Date of Patent: January 12, 2021Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tomonori Sugiyama, Kazuhiko Kaneuchi, Hideaki Nakagawa, Masaki Kontani
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Patent number: 10725557Abstract: An input device is provided which includes: a first light source which emits light to cause a first design to be displayed on a display region: a second light source which emits light to cause a second design different from the first design to be displayed on the display region; a switch which receives an input from a user; and a control circuit which, according to the input received by the switch, (i) controls displaying of a design on the display region, by controlling a lighting state of the first light source and a lighting state of the second light source, and (ii) outputs a control signal corresponding to the input received by the switch, to an external device.Type: GrantFiled: February 11, 2019Date of Patent: July 28, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Masaki Kontani
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Patent number: 10696218Abstract: An illumination device includes: a light source; and a laminate that displays a predetermined design on a front surface by transmitting light emitted by the light source forward in a shape of the predetermined design. The laminate includes: a display layer that includes the front surface and is light transmissive; a reflective layer that includes a first opening having the shape of the predetermined design, is disposed between the display layer and the light source, and reflects external light transmitted from the front surface of the display layer rearward; a light blocking layer that includes a second opening having the shape of the predetermined design and overlapping the first opening, is disposed between the reflective layer and the light source, and blocks light; and a light diffusion layer that diffuses light and is disposed between the reflective layer and the light source to overlap the second opening.Type: GrantFiled: September 17, 2019Date of Patent: June 30, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Masaki Kontani
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Publication number: 20200198535Abstract: An illumination device includes; a light source; and a laminate that displays a predetermined design on a front surface by transmitting light emitted by the light source forward in a shape of the predetermined design. The laminate includes: a display layer that includes the front surface and is light transmissive; a reflective layer that includes a first opening having the shape of the predetermined design, is disposed between the display layer and the light source, and reflects external light transmitted from the front surface of the display layer rearward; a light blocking layer that includes a second opening having the shape of the predetermined design and overlapping the first opening, is disposed between the reflective layer and the light source, and blocks light; and a light diffusion layer that diffuses light and is disposed between the reflective layer and the light source to overlap the second opening.Type: ApplicationFiled: September 17, 2019Publication date: June 25, 2020Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Masaki KONTANI
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Patent number: 10564777Abstract: A display device including (i) a light source and (ii) a light guide body which guides light emitted by the light source, and includes: a light guide leg that guides the light entering through a light entrance surface; and a light exit portion connected to the light guide leg and including a reflection design portion which reflects, in a first direction, a portion of the light guided by the light guide leg and another reflection design portion which reflects, in the first direction, another portion of the light. When viewed in the first direction, the reflection design portion is disposed in a first region on a second direction side with respect to a connecting portion of the light exit portion connected to the light guide leg, and the other reflection design portion is disposed in a second region on a third direction side with respect to the connecting portion.Type: GrantFiled: October 25, 2018Date of Patent: February 18, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yuma Sasagawa, Masaki Kontani, Takeshi Masutani, Wahei Agemizu
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Publication number: 20190390839Abstract: A display device including a protruding-plate includes the protruding-plate, a thin-film-layer, a transparent-base-material, a first-concealing-layer, a light-diffusion-layer, a light-color-toning-layer, and a second-concealing-layer. The first-concealing-layer is disposed closer to the protruding-plate than the second-concealing-layer and the light-color-toning-layer to the protruding-plate. The protruding-plate, the transparent-base-material, the thin-film-layer, and the second-concealing-layer include a greater thickness in this order. The second-concealing-layer, the first-concealing-layer, and the light-diffusion-layer have a same thickness. The light-diffusion-layer is thicker than the light-color-toning-layer. The transparent-base-material and the thin-film-layer have a same light transmittance. The thin-film-layer, the protruding-plate, the light-diffusion-layer, the light-color-toning-layer, the first-concealing-layer, and the second-concealing-layer have a higher light transmittance in this order.Type: ApplicationFiled: February 26, 2019Publication date: December 26, 2019Inventors: TOMONORI SUGIYAMA, KAZUHIKO KANEUCHI, HIDEAKI NAKAGAWA, MASAKI KONTANI
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Patent number: 10483969Abstract: An input device includes: a switch to be switched by being pressed; a plurality of light sources including a first light source and a second light source; and a light guide that guides light emitted from each of the plurality of light sources. The light guide includes: an emission part that emits the light; a first light guide leg that is coupled to the emission part and guides first light to the emission part; and a second light guide leg that is coupled to the emission part and guides second light to the emission part. The emission part includes a first design that illuminates by reflecting the first light, and a second design that illuminates by reflecting the second light. The first light guide leg includes a first reflection surface that reflects the first light. The second light guide leg includes a second reflection surface that reflects the second light.Type: GrantFiled: April 4, 2017Date of Patent: November 19, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Masaki Kontani, Takeshi Masutani, Shinji Kadoriku
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Publication number: 20190267996Abstract: An input device is provided which includes: a first light source which emits light to cause a first design to be displayed on a display region: a second light source which emits light to cause a second design different from the first design to be displayed on the display region; a switch which receives an input from a user; and a control circuit which, according to the input received by the switch, (i) controls displaying of a design on the display region, by controlling a lighting state of the first light source and a lighting state of the second light source, and (ii) outputs a control signal corresponding to the input received by the switch, to an external device.Type: ApplicationFiled: February 11, 2019Publication date: August 29, 2019Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Masaki KONTANI
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Patent number: 10397995Abstract: An input device includes a switch, light sources, and a light guide body. The switch is configured to switch between ON and OFF by being pressed. The light sources include a first light source and a second light source disposed at a position different from a position of the first light source. The light guide body guides a light emitted from the light sources in an opposite direction opposite from a pressing direction of the switch. The light guide body includes an output section, a first light guide leg section, and a second light guide leg section. The output section outputs the light emitted from the light sources in the opposite direction. The first light guide leg section is connected to the output section and guides the first light emitted by the first light source to the output section. The second light guide leg section is connected to the output section and guides the second light emitted by the second light source to output section.Type: GrantFiled: November 16, 2016Date of Patent: August 27, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Masaki Kontani, Takeshi Masutani
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Publication number: 20190250321Abstract: A display device includes: a first light source; a second light source; a light guide body including a reflector having a shape of a first design, guiding first light emitted by the first light source, and reflecting the first light by the reflector to display the first design; and a mask body including a light-transmissive portion having a shape of a second design and a light-blocking portion that is a portion other than the light-transmissive portion, transmitting, through the light-transmissive portion, second light emitted by the second light source, and blocking the second light by the light-blocking portion. The first design is displayed at a first display luminance and the second design is displayed at a second display luminance. The first display luminance and the second display luminance are substantially equalized by adjusting at least one of a luminance of the first light and a luminance of the second light.Type: ApplicationFiled: February 5, 2019Publication date: August 15, 2019Applicant: Panasonic Intellectual Property Management Co., Ltd..Inventors: Yuma SASAGAWA, Masaki Kontani
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Publication number: 20190149152Abstract: An input device includes: a switch to be switched by being pressed; a plurality of light sources including a first light source and a second light source; and a light guide that guides light emitted from each of the plurality of light sources. The light guide includes: an emission part that emits the light; a first light guide leg that is coupled to the emission part and guides first light to the emission part; and a second light guide leg that is coupled to the emission part and guides second light to the emission part. The emission part includes a first design that illuminates by reflecting the first light, and a second design that illuminates by reflecting the second light. The first light guide leg includes a first reflection surface that reflects the first light. The second light guide leg includes a second reflection surface that reflects the second light.Type: ApplicationFiled: April 4, 2017Publication date: May 16, 2019Inventors: MASAKI KONTANI, TAKESHI MASUTANI, SHINJI KADORIKU
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Publication number: 20190129573Abstract: A display device including (i) a light source and (ii) a light guide body which guides light emitted by the light source, and includes: a light guide leg that guides the light entering through a light entrance surface; and a light exit portion connected to the light guide leg and including a reflection design portion which reflects, in a first direction, a portion of the light guided by the light guide leg and another reflection design portion which reflects, in the first direction, another portion of the light. When viewed in the first direction, the reflection design portion is disposed in a first region on a second direction side with respect to a connecting portion of the light exit portion connected to the light guide leg, and the other reflection design portion is disposed in a second region on a third direction side with respect to the connecting portion.Type: ApplicationFiled: October 25, 2018Publication date: May 2, 2019Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yuma SASAGAWA, Masaki KONTANI, Takeshi MASUTANI, Wahei AGEMIZU
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Publication number: 20190082506Abstract: An input device includes a switch, light sources, and a light guide body. The switch is configured to switch between ON and OFF by being pressed. The light sources include a first light source and a second light source disposed at a position different from a position of the first light source. The light guide body guides a light emitted from the light sources in an opposite direction opposite from a pressing direction of the switch. The light guide body includes an output section, a first light guide leg section, and a second light guide leg section. The output section outputs the light emitted from the light sources in the opposite direction. The first light guide leg section is connected to the output section and guides the first light emitted by the first light source to the output section. The second light guide leg section is connected to the output section and guides the second light emitted by the second light source to output section.Type: ApplicationFiled: November 16, 2016Publication date: March 14, 2019Inventors: MASAKI KONTANI, TAKESHI MASUTANI
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Patent number: 8502093Abstract: In a multidirectional operating switch, an operating body has a support having a spherically convex surface on the lower end of a central cylinder, and a holding base has a retainer having a spherically concave surface disposed opposite to the support. Through the movement of the support sliding over the retainer, the holding base retains the operating body rockably in multiple directions. The rotational center of the rocking movement of the operating body coincides with the position at which the push element is in contact with the push section disposed at the lower end of the operation button.Type: GrantFiled: September 20, 2010Date of Patent: August 6, 2013Assignee: Panasonic CorporationInventors: Takayoshi Kishimoto, Mitsuo Kodama, Masaki Kontani
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Publication number: 20110073457Abstract: In a multidirectional operating switch, an operating body has a support having a spherically convex surface on the lower end of a central cylinder, and a holding base has a retainer having a spherically concave surface disposed opposite to the support. Through the movement of the support sliding over the retainer, the holding base retains the operating body rockably in multiple directions. The rotational center of the rocking movement of the operating body coincides with the position at which the push element is in contact with the push section disposed at the lower end of the operation button.Type: ApplicationFiled: September 20, 2010Publication date: March 31, 2011Inventors: Takayoshi KISHIMOTO, Mitsuo Kodama, Masaki Kontani