Patents by Inventor Naoyuki Tokida
Naoyuki Tokida 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: 20240128294Abstract: An image reading device includes a plurality of light receiving parts arrayed regularly, a first light blocking member including a plurality of first openings arrayed corresponding respectively to the plurality of light receiving parts, and a plurality of microlenses arrayed corresponding respectively to the plurality of first openings. Each light receiving part included in the plurality of light receiving parts includes a plurality of light receiving pixels arrayed in a first direction as a main scanning direction. Each microlens included in the plurality of microlenses is object side telecentric. The plurality of microlenses, the first light blocking member and the plurality of light receiving parts are arranged so that light reflected by an object and passing through the microlens and the first opening corresponding to the microlens enters the plurality of light receiving pixels included in the light receiving part corresponding to the first opening.Type: ApplicationFiled: February 25, 2021Publication date: April 18, 2024Applicant: Mitsubishi Electric CorporationInventors: Hiroyuki KAWANO, Naoki NAKAGAWA, Takeshi ONO, Shigeru TAKUSHIMA, Naoyuki TOKIDA, Akira OTA, Miki SUGANO
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Patent number: 11942489Abstract: An image reading device includes a plurality of light-receiving pixels configured to receive reflected light; a first light-shielding member including a plurality of first openings and disposed between the plurality of light-receiving pixels and a reference surface; a second light-shielding member including a plurality of second openings and disposed between the plurality of first openings and the reference surface; and a plurality of condenser lenses disposed at a distance from the plurality of second openings. The plurality of condenser lenses, the second light-shielding member, the first light-shielding member, and the plurality of light-receiving pixels are disposed at positions at which reflected light sequentially passes through one of the condenser lenses corresponding to each light-receiving pixel, one of the second openings corresponding to the each light-receiving pixel, and one of the first openings corresponding to the each light-receiving pixel and enters the each light-receiving pixel.Type: GrantFiled: September 5, 2019Date of Patent: March 26, 2024Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Hiroyuki Kawano, Naoki Nakagawa, Takeshi Ono, Shigeru Takushima, Taisuke Makita, Naoyuki Tokida
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Publication number: 20240098200Abstract: An image reading device (100) includes a first glass member (52), a plurality of condensing lenses (14) provided on a first surface (52a) of the first glass member (52), a first light blocking member (12) having a plurality of first openings (32) respectively corresponding to the plurality of condensing lenses (14), a second glass member (51) having a third surface (51a) in superimposition with the first light blocking member (12), a second light blocking member (11) having a plurality of second openings (31) respectively corresponding to the plurality of first openings (32), a third glass member (53) having a fifth surface (53a) in superimposition with the second light blocking member (11), a third light blocking member (15) having a plurality of third openings (34) respectively corresponding to the plurality of second openings (31), and a sensor unit (3) having a sensor substrate (9) and a plurality of light receiving pixels (10) arrayed in a predetermined array direction on the sensor substrate (9) and resType: ApplicationFiled: January 25, 2021Publication date: March 21, 2024Applicant: Mitsubishi Electric CorporationInventors: Hiroyuki KAWANO, Naoki NAKAGAWA, Takeshi ONO, Shigeru TAKUSHIMA, Taisuke MAKITA, Naoyuki TOKIDA
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Publication number: 20230025299Abstract: An image-based acceptance learning device (2) learns a result of determination as to whether a planar object (1) is acceptable or defective based on at least one of a three-dimensional shape or a color on a surface of the planar object (1). The device (2) includes a surface image receiver (3) to receive an inputted two-dimensional data being image data of the surface of the planar object (1), a determination information receiver (4) to receive an inputted determination information indicating the result of determination as to whether the planar object (1) corresponding to the two-dimensional data is acceptable or defective, and a learner (5) to learn, based on the two-dimensional data and the determination information, a relevant area (1R) including the three-dimensional shape or the color on the surface in the two-dimensional data. The relevant area is a basis for the determination information.Type: ApplicationFiled: December 15, 2020Publication date: January 26, 2023Applicant: Mitsubishi Electric CorporationInventors: Naoyuki TOKIDA, Atsushi ITO, Yoshihiro AMAMORI, Kosaku YAMAGATA, Kazuya MAKABE
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Publication number: 20220328540Abstract: An image reading device includes a plurality of light-receiving pixels configured to receive reflected light; a first light-shielding member including a plurality of first openings and disposed between the plurality of light-receiving pixels and a reference surface; a second light-shielding member including a plurality of second openings and disposed between the plurality of first openings and the reference surface; and a plurality of condenser lenses disposed at a distance from the plurality of second openings. The plurality of condenser lenses, the second light-shielding member, the first light-shielding member, and the plurality of light-receiving pixels are disposed at positions at which reflected light sequentially passes through one of the condenser lenses corresponding to each light-receiving pixel, one of the second openings corresponding to the each light-receiving pixel, and one of the first openings corresponding to the each light-receiving pixel and enters the each light-receiving pixel.Type: ApplicationFiled: September 5, 2019Publication date: October 13, 2022Applicant: Mitsubishi Electric CorporationInventors: Hiroyuki KAWANO, Naoki NAKAGAWA, Takeshi ONO, Shigeru TAKUSHIMA, Taisuke MAKITA, Naoyuki TOKIDA
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Patent number: 11451683Abstract: A capacitance detection device includes a first electrode (1) and a second electrode (2) at least partially facing each other with a conveyance path (5) therebetween, the conveyance path extending along a conveyance direction in which a sheet-like detection object (3) is conveyed, an oscillating circuit to form an electric field (9) between the first electrode (1) and the second electrode (2), a detection circuit to detect a change in capacitance between the first electrode (1) and the second electrode (2), a first board (11) and a second board (12) including at least one of the oscillating circuit or the detection circuit, an insulative first plate (6) arranged between the first electrode (1) and the conveyance path (5), and an insulative second plate (7) arranged between the second electrode (2) and the conveyance path (5).Type: GrantFiled: December 26, 2018Date of Patent: September 20, 2022Assignee: Mitsubishi Electric CorporationInventors: Tomokazu Ogomi, Naoyuki Tokida, Hideki Matsui, Tatsuya Kunieda
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Patent number: 10991737Abstract: A solid-state imaging device includes blue photoelectric conversion elements, green photoelectric conversion elements, red photoelectric conversion elements, infrared photoelectric conversion elements, and an infrared cut filter (IRCF) is layered on the blue photoelectric conversion elements, the green photoelectric conversion elements, and the red photoelectric conversion elements with a uniform film thickness. Color filters that respectively transmit the blue light, the green light, and the red light are layered on the IRCF so as to correspond with the blue photoelectric conversion elements, the green photoelectric conversion elements, and the red photoelectric conversion elements. A visible-light shielding filter is layered on the infrared photoelectric conversion elements.Type: GrantFiled: May 17, 2017Date of Patent: April 27, 2021Assignee: Mitsubishi Electric CorporationInventors: Masaki Ono, Masatoshi Kodama, Naoyuki Tokida, Akiko Fujiuchi, Keisuke Nakamura
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Publication number: 20200358918Abstract: A capacitance detection device includes a first electrode (1) and a second electrode (2) at least partially facing each other with a conveyance path (5) therebetween, the conveyance path extending along a conveyance direction in which a sheet-like detection object (3) is conveyed, an oscillating circuit to form an electric field (9) between the first electrode (1) and the second electrode (2), a detection circuit to detect a change in capacitance between the first electrode (1) and the second electrode (2), a first board (11) and a second board (12) including at least one of the oscillating circuit or the detection circuit, an insulative first plate (6) arranged between the first electrode (1) and the conveyance path (5), and an insulative second plate (7) arranged between the second electrode (2) and the conveyance path (5).Type: ApplicationFiled: December 26, 2018Publication date: November 12, 2020Applicant: Mitsubishi Electric CorporationInventors: Tomokazu OGOMI, Naoyuki TOKIDA, Hideki MATSUI, Tatsuya KUNIEDA
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Publication number: 20190165021Abstract: A solid-state imaging device includes blue photoelectric conversion elements, green photoelectric conversion elements, red photoelectric conversion elements, infrared photoelectric conversion elements, and an infrared cut filter (IRCF) is layered on the blue photoelectric conversion elements, the green photoelectric conversion elements, and the red photoelectric conversion elements with a uniform film thickness. Color filters that respectively transmit the blue light, the green light, and the red light are layered on the IRCF so as to correspond with the blue photoelectric conversion elements, the green photoelectric conversion elements, and the red photoelectric conversion elements. A visible-light shielding filter is layered on the infrared photoelectric conversion elements.Type: ApplicationFiled: May 17, 2017Publication date: May 30, 2019Applicant: Mitsubishi Electric CorporationInventors: Masaki ONO, Masatoshi KODAMA, Naoyuki TOKIDA, Akiko FUJIUCHI, Keisuke NAKAMURA
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Patent number: 8264746Abstract: An image sensor includes: a light transmissive member extending in a direction orthogonal to a direction of conveying the document; a reference portion provided outside the conveying region where a document is conveyed with respect to the orthogonal direction and having a transmittance lower than a transmittance of in the conveying region of the light transmissive member; and a light source unit. The image sensor further includes: a lens unit converging the light transmitting through the document and the reference portion; a light receiving unit that receives the light transmitted through the lens unit and outputs an electric signal; an amplifying unit that amplifies the electric signal of the document corresponding to the conveying region and outputs an image signal of the document; and a controlling unit configured to control an amplification factor of the amplifying unit based on the electric signal corresponding to the reference portion.Type: GrantFiled: May 27, 2011Date of Patent: September 11, 2012Assignee: Mitsubishi Electric CorporationInventors: Naoyuki Tokida, Takafumi Endo
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Patent number: 8259364Abstract: An image sensor includes: a light transmissive member extending in a direction orthogonal to a direction of conveying the document; a reference portion provided outside the conveying region where a document is conveyed with respect to the orthogonal direction and having a transmittance lower than a transmittance of in the conveying region of the light transmissive member; and a light source unit. The image sensor further includes: a lens unit converging the light transmitting through the document and the reference portion; a light receiving unit that receives the light transmitted through the lens unit and outputs an electric signal; an amplifying unit that amplifies the electric signal of the document corresponding to the conveying region and outputs an image signal of the document; and a controlling unit configured to control an amplification factor of the amplifying unit based on the electric signal corresponding to the reference portion.Type: GrantFiled: August 27, 2007Date of Patent: September 4, 2012Assignee: Mitsubishi Electric CorporationInventors: Naoyuki Tokida, Takafumi Endo
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Publication number: 20110228359Abstract: An image sensor includes: a light transmissive member extending in a direction orthogonal to a direction of conveying the document; a reference portion provided outside the conveying region where a document is conveyed with respect to the orthogonal direction and having a transmittance lower than a transmittance of in the conveying region of the light transmissive member; and a light source unit. The image sensor further includes: a lens unit converging the light transmitting through the document and the reference portion; a light receiving unit that receives the light transmitted through the lens unit and outputs an electric signal; an amplifying unit that amplifies the electric signal of the document corresponding to the conveying region and outputs an image signal of the document; and a controlling unit configured to control an amplification factor of the amplifying unit based on the electric signal corresponding to the reference portion.Type: ApplicationFiled: May 27, 2011Publication date: September 22, 2011Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Naoyuki Tokida, Takafumi Endo
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Publication number: 20080204824Abstract: An image sensor includes: a light transmissive member extending in a direction orthogonal to a direction of conveying the document; a reference portion provided outside the conveying region where a document is conveyed with respect to the orthogonal direction and having a transmittance lower than a transmittance of in the conveying region of the light transmissive member; and a light source unit. The image sensor further includes: a lens unit converging the light transmitting through the document and the reference portion; a light receiving unit that receives the light transmitted through the lens unit and outputs an electric signal; an amplifying unit that amplifies the electric signal of the document corresponding to the conveying region and outputs an image signal of the document; and a controlling unit configured to control an amplification factor of the amplifying unit based on the electric signal corresponding to the reference portion.Type: ApplicationFiled: August 27, 2007Publication date: August 28, 2008Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Naoyuki Tokida, Takafumi Endo