Patents by Inventor Naoki Tajima
Naoki Tajima 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: 11237385Abstract: An optical writing device performs writing by scanning an image surface of a photoconductor with light, and includes a light source unit including a light source that emits light, a deflection unit that deflects and scans the light, an optical element unit for the light, and a housing unit that holds the light source unit, the deflection unit, and the optical element unit. The housing unit includes a vibration isolator that isolates vibration transmitted from a vibration antinode where distribution of vibration in a sub direction perpendicular to a scanning direction of the light on the image surface of the photoconductor is maximum to at least one of seat face parts for the light source unit and the optical element unit having optical sensitivity in the sub direction, in a bottom face part of the housing unit, and a rigidity enhancer that increases rigidity of the seat face part.Type: GrantFiled: March 30, 2020Date of Patent: February 1, 2022Assignee: KONICA MINOLTA, INC.Inventors: Akira Taniyama, Masahiko Takahashi, Naoki Tajima, Takashi Kurosawa
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Publication number: 20200326533Abstract: An optical writing device performs writing by scanning an image surface of a photoconductor with light, and includes a light source unit including a light source that emits light, a deflection unit that deflects and scans the light, an optical element unit for the light, and a housing unit that holds the light source unit, the deflection unit, and the optical element unit. The housing unit includes a vibration isolator that isolates vibration transmitted from a vibration antinode where distribution of vibration in a sub direction perpendicular to a scanning direction of the light on the image surface of the photoconductor is maximum to at least one of seat face parts for the light source unit and the optical element unit having optical sensitivity in the sub direction, in a bottom face part of the housing unit, and a rigidity enhancer that increases rigidity of the seat face part.Type: ApplicationFiled: March 30, 2020Publication date: October 15, 2020Inventors: Akira TANIYAMA, Masahiko TAKAHASHI, Naoki TAJIMA, Takashi KUROSAWA
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Publication number: 20200159143Abstract: An optical writing device includes: a deflector that deflects and scans light; optical elements; and a housing that holds the deflector and the optical element, wherein a support plate of the housing has an enclosed inner region that is substantially surrounded by a vibration suppressor and a vibration transmission blocker and supports the deflector, and the support plate also has a flat portion having a peninsular shape facing the vibration transmission blocker in the enclosed inner region, and an element holder for at least one or more of the optical elements having optical sensitivity in a vibration direction of the housing is disposed outside the enclosed inner region.Type: ApplicationFiled: November 4, 2019Publication date: May 21, 2020Applicant: KONICA MINOLTA, INC.Inventors: Akira TANIYAMA, Masahiko TAKAHASHI, Naoki TAJIMA, Takashi KUROSAWA, Hajime TANIGUCHI
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Patent number: 10612499Abstract: This air intake apparatus includes an air intake apparatus main body including a plurality of pieces bonded to each other along a split plane and an external gas passage formed inside the air intake apparatus main body by bonding the plurality of pieces to each other and including an external gas receiving port that directly receives external gas from a cylinder head and an external gas introduction port that introduces the external gas into a surge tank.Type: GrantFiled: November 1, 2016Date of Patent: April 7, 2020Assignees: AISIN SEIKI KABUSHIKI KAISHA, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yu Sakurai, Naoki Tajima, Tomohisa Senda, Hideaki Teramoto, Masaki Makihara
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Patent number: 10571824Abstract: In an optical writing device that deflects light beams from first and second light source sections and performs scanning by first and second scanning optical systems, in reflective optical elements disposed in the optical axis direction from after the polygon mirror to before a separation mirror, a number of hold points on each of a writing start side and a writing end side in scanning is same, and in reflective optical elements disposed from after the separation mirror up to a surface to be scanned, a number of hold points on a writing start side of the first scanning optical system is same (one) with that on a writing end side of the second scanning optical system, and a number of hold points on a writing end side of the first scanning optical system is same (two) with that on a writing start side of the second scanning optical system.Type: GrantFiled: November 28, 2018Date of Patent: February 25, 2020Assignee: KONICA MINOLTA, INC.Inventors: Akira Taniyama, Hideo Uemura, Takashi Kurosawa, Naoki Tajima
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Patent number: 10345732Abstract: Provided is an image writing device including a deflector having deflective reflection surfaces for deflecting light flux emitted from a light source and a scanning imaging optical system that condenses the light flux as a light spot on a scanned surface of a latent image carrier, and performing optical scanning on the scanned surface at a constant speed, the image writing device further including: a surface detector that detects a deflective reflection surface that deflects the light flux; a storage that prestores a beam irradiation position in a sub scanning direction corresponding to each main image height on each of the deflective reflection surfaces; and a hardware processor that controls, on the basis of a beam irradiation position in the sub scanning direction corresponding to each main image height on the deflective reflection surface a light quantity of the light flux to be irradiated to the beam irradiation position.Type: GrantFiled: January 19, 2018Date of Patent: July 9, 2019Assignee: KONICA MINOLTA, INC.Inventors: Takashi Kurosawa, Naoki Tajima, Daisuke Kobayashi
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Publication number: 20190163088Abstract: In an optical writing device that deflects light beams from first and second light source sections and performs scanning by first and second scanning optical systems, in reflective optical elements disposed in the optical axis direction from after the polygon mirror to before a separation mirror, a number of hold points on each of a writing start side and a writing end side in scanning is same, and in reflective optical elements disposed from after the separation mirror up to a surface to be scanned, a number of hold points on a writing start side of the first scanning optical system is same (one) with that on a writing end side of the second scanning optical system, and a number of hold points on a writing end side of the first scanning optical system is same (two) with that on a writing start side of the second scanning optical system.Type: ApplicationFiled: November 28, 2018Publication date: May 30, 2019Inventors: Akira TANIYAMA, Hideo UEMURA, Takashi KUROSAWA, Naoki TAJIMA
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Patent number: 10207316Abstract: A primary object of this invention is to provide a continuous casting method by which a slab of excellent internal quality can be obtained even if the casting speed is changed. In this invention, upon continuous casting with two pairs of the reduction rolls arranged along a casting direction and support rolls arranged between the reduction rolls, when a casting speed is reduced compared to a state where combination of reduction with reduction rolls at a first stage on an unsolidified portion of the slab and reduction with reduction rolls at a second stage on a solidified portion thereof is employed, the combination is switched to combination of reduction with the reduction rolls at the first stage on a portion of the slab at an end of solidification and the reduction with the reduction rolls at the second stage on the solidified portion thereof.Type: GrantFiled: July 17, 2018Date of Patent: February 19, 2019Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Naoki Tajima, Akihiro Yamanaka, Kenji Taguchi
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Patent number: 10189077Abstract: A primary object of this invention is to provide a continuous casting method by which a slab of excellent internal quality can be obtained even if the casting speed is changed. In this invention, upon continuous casting with two pairs of the reduction rolls arranged along a casting direction and support rolls arranged between the reduction rolls, when a casting speed is reduced compared to a state where combination of reduction with reduction rolls at a first stage on an unsolidified portion of the slab and reduction with reduction rolls at a second stage on a solidified portion thereof is employed, the combination is switched to combination of reduction with the reduction rolls at the first stage on a portion of the slab at an end of solidification and the reduction with the reduction rolls at the second stage on the solidified portion thereof.Type: GrantFiled: July 17, 2018Date of Patent: January 29, 2019Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Naoki Tajima, Akihiro Yamanaka, Kenji Taguchi
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Patent number: 10183325Abstract: A primary object of this invention is to provide a continuous casting method by which a slab of excellent internal quality can be obtained even if the casting speed is changed. In this invention, upon continuous casting with two pairs of the reduction rolls arranged along a casting direction and support rolls arranged between the reduction rolls, when a casting speed is reduced compared to a state where combination of reduction with reduction rolls at a first stage on an unsolidified portion of the slab and reduction with reduction rolls at a second stage on a solidified portion thereof is employed, the combination is switched to combination of reduction with the reduction rolls at the first stage on a portion of the slab at an end of solidification and the reduction with the reduction rolls at the second stage on the solidified portion thereof.Type: GrantFiled: July 17, 2018Date of Patent: January 22, 2019Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Naoki Tajima, Akihiro Yamanaka, Kenji Taguchi
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Publication number: 20180372039Abstract: This air intake apparatus includes an air intake apparatus main body including a plurality of pieces bonded to each other along a split plane and an external gas passage formed inside the air intake apparatus main body by bonding the plurality of pieces to each other and including an external gas receiving port that directly receives external gas from a cylinder head and an external gas introduction port that introduces the external gas into a surge tank.Type: ApplicationFiled: November 1, 2016Publication date: December 27, 2018Applicants: AISIN SEIKI KABUSHIKI KAISHA, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yu SAKURAI, Naoki TAJIMA, Tomohisa SENDA, Hideaki TERAMOTO, Masaki MAKIHARA
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Patent number: 10126673Abstract: A scanning optical apparatus includes a light source, a deflector and an imaging optical system. The deflector deflects a beam emitted from the light source to scan a scanning surface with the beam in a main scanning direction. The imaging optical system focuses the beam on the scanning surface. The imaging optical system includes a first lens having negative power in a sub scanning direction and a second lens having positive power in the sub scanning direction, in which the sub scanning direction is parallel to the scanning surface and perpendicular to the main scanning direction. The power ?1 of the first lens, the power ?2 of the second lens and a magnification ? in the sub scanning direction of the imaging optical system satisfy the conditions ?1.2??1/?2??0.9 and ?1.3????0.8.Type: GrantFiled: November 17, 2017Date of Patent: November 13, 2018Assignee: KONICA MINOLTA, INC.Inventors: Daisuke Kobayashi, Takashi Kurosawa, Naoki Tajima, Makoto Ooki, Hideo Uemura
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Publication number: 20180318915Abstract: A primary object of this invention is to provide a continuous casting method by which a slab of excellent internal quality can be obtained even if the casting speed is changed. In this invention, upon continuous casting with two pairs of the reduction rolls arranged along a casting direction and support rolls arranged between the reduction rolls, when a casting speed is reduced compared to a state where combination of reduction with reduction rolls at a first stage on an unsolidified portion of the slab and reduction with reduction rolls at a second stage on a solidified portion thereof is employed, the combination is switched to combination of reduction with the reduction rolls at the first stage on a portion of the slab at an end of solidification and the reduction with the reduction rolls at the second stage on the solidified portion thereof.Type: ApplicationFiled: July 17, 2018Publication date: November 8, 2018Inventors: Naoki TAJIMA, Akihiro YAMANAKA, Kenji TAGUCHI
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Publication number: 20180318914Abstract: A primary object of this invention is to provide a continuous casting method by which a slab of excellent internal quality can be obtained even if the casting speed is changed. In this invention, upon continuous casting with two pairs of the reduction rolls arranged along a casting direction and support rolls arranged between the reduction rolls, when a casting speed is reduced compared to a state where combination of reduction with reduction rolls at a first stage on an unsolidified portion of the slab and reduction with reduction rolls at a second stage on a solidified portion thereof is employed, the combination is switched to combination of reduction with the reduction rolls at the first stage on a portion of the slab at an end of solidification and the reduction with the reduction rolls at the second stage on the solidified portion thereof.Type: ApplicationFiled: July 17, 2018Publication date: November 8, 2018Inventors: Naoki Tajima, Akihiro Yamanaka, Kenji Taguchi
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Publication number: 20180318916Abstract: A primary object of this invention is to provide a continuous casting method by which a slab of excellent internal quality can be obtained even if the casting speed is changed. In this invention, upon continuous casting with two pairs of the reduction rolls arranged along a casting direction and support rolls arranged between the reduction rolls, when a casting speed is reduced compared to a state where combination of reduction with reduction rolls at a first stage on an unsolidified portion of the slab and reduction with reduction rolls at a second stage on a solidified portion thereof is employed, the combination is switched to combination of reduction with the reduction rolls at the first stage on a portion of the slab at an end of solidification and the reduction with the reduction rolls at the second stage on the solidified portion thereof.Type: ApplicationFiled: July 17, 2018Publication date: November 8, 2018Inventors: Naoki TAJIMA, Akihiro YAMANAKA, Kenji TAGUCHI
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Patent number: 10076783Abstract: A primary object of this invention is to provide a continuous casting method by which a slab of excellent internal quality can be obtained even if the casting speed is changed. In this invention, upon continuous casting with two pairs of the reduction rolls arranged along a casting direction and support rolls arranged between the reduction rolls, when a casting speed is reduced compared to a state where combination of reduction with reduction rolls at a first stage on an unsolidified portion of the slab and reduction with reduction rolls at a second stage on a solidified portion thereof is employed, the combination is switched to combination of reduction with the reduction rolls at the first stage on a portion of the slab at an end of solidification and the reduction with the reduction rolls at the second stage on the solidified portion thereof.Type: GrantFiled: May 12, 2015Date of Patent: September 18, 2018Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Naoki Tajima, Akihiro Yamanaka, Kenji Taguchi
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Publication number: 20180231911Abstract: Provided is an image writing device including a deflector having deflective reflection surfaces for deflecting light flux emitted from a light source and a scanning imaging optical system that condenses the light flux as a light spot on a scanned surface of a latent image carrier, and performing optical scanning on the scanned surface at a constant speed, the image writing device further including: a surface detector that detects a deflective reflection surface that deflects the light flux; a storage that prestores a beam irradiation position in a sub scanning direction corresponding to each main image height on each of the deflective reflection surfaces; and a hardware processor that controls, on the basis of a beam irradiation position in the sub scanning direction corresponding to each main image height on the deflective reflection surface a light quantity of the light flux to be irradiated to the beam irradiation position.Type: ApplicationFiled: January 19, 2018Publication date: August 16, 2018Inventors: Takashi KUROSAWA, Naoki TAJIMA, Daisuke KOBAYASHI
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Publication number: 20180157190Abstract: A scanning optical apparatus includes a light source, a deflector and an imaging optical system. The deflector deflects a beam emitted from the light source to scan a scanning surface with the beam in a main scanning direction. The imaging optical system focuses the beam on the scanning surface. The imaging optical system includes a first lens having negative power in a sub scanning direction and a second lens having positive power in the sub scanning direction, in which the sub scanning direction is parallel to the scanning surface and perpendicular to the main scanning direction. The power ?1 of the first lens, the power ?2 of the second lens and a magnification ? in the sub scanning direction of the imaging optical system satisfy the conditions ?1.2??1/?2??0.9 and ?1.3????0.8.Type: ApplicationFiled: November 17, 2017Publication date: June 7, 2018Inventors: Daisuke KOBAYASHI, Takashi KUROSAWA, Naoki TAJIMA, Makoto OOKI, Hideo UEMURA
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Patent number: 9978619Abstract: A substrate processing apparatus includes a carrier block, an end block for returning a substrate picked up from the carrier block to the carrier block, and a middle block. The middle block includes a plurality of first processing modules stacked one above another, each being configured to process the picked-up substrate and directed to the end block or the substrate returning from the end block to the carrier block; a first transfer mechanism for vertically moving to transfer the substrate that is transferred from one of the carrier and end blocks to the middle block, to a respective one of the first processing modules, and delivering the substrate to the other of the carrier and end blocks; and a second transfer mechanism for transferring the substrate from the other of the carrier and end blocks to the one thereof, without passing through the plurality of first processing modules.Type: GrantFiled: March 9, 2016Date of Patent: May 22, 2018Assignee: TOKYO ELECTRON LIMITEDInventors: Terutaka Yamaoka, Naoki Tajima, Koji Motoi
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Patent number: 9625725Abstract: A wearable computer includes a computer, a display unit, first and second casings, temples, a holding member and an adjustment mechanism. The second casing houses the computer. The temples are respectively connected to one end and, through a connection member, the other end of the first casing in a longitudinal direction. The holding member extends downward from the connection member and holds a nose pad and a translucent member. The display unit extends downward from the first casing and to outside of an installation space of the translucent member to face one eye of a wearer. The adjustment mechanism adjusts a relative position of the display unit and the nose pad. The wearable computer is wearable with the first casing being held above the one eye by the temples, the connection member and the nose pad.Type: GrantFiled: March 3, 2014Date of Patent: April 18, 2017Assignee: KONICA MINOLTA, INC.Inventors: Tetsuya Ishikawa, Naoki Tajima, Kazuhiko Iwaki, Satoru Hirose