Patents by Inventor Satoru Nishiuma
Satoru Nishiuma 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: 11927904Abstract: Provided is an electrophotographic belt of an endless shape including a substrate, wherein the substrate contains a polyimide resin and carbon nanotubes, wherein a content of the carbon nanotubes in the substrate is 15 vol % or less with respect to a total volume of the polyimide resin, wherein the substrate has a tensile strength of 200 MPa or more in each of a peripheral direction thereof and a direction perpendicular to the peripheral direction, and wherein the substrate has a thermal conductivity of 0.9 W/(m·K) or more in a thickness direction thereof.Type: GrantFiled: June 9, 2022Date of Patent: March 12, 2024Assignee: Canon Kabushiki KaishaInventors: Akeshi Asaka, Taiki Watanabe, Yuma Kobayashi, Hidetaka Kawamura, Satoru Nishiuma, Akihiro Taya, Ryunosuke Kawahara
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Publication number: 20220404751Abstract: Provided is an electrophotographic belt of an endless shape including a substrate, wherein the substrate contains a polyimide resin and carbon nanotubes, wherein a content of the carbon nanotubes in the substrate is 15 vol % or less with respect to a total volume of the polyimide resin, wherein the substrate has a tensile strength of 200 MPa or more in each of a peripheral direction thereof and a direction perpendicular to the peripheral direction, and wherein the substrate has a thermal conductivity of 0.9 W/(m·K) or more in a thickness direction thereof.Type: ApplicationFiled: June 9, 2022Publication date: December 22, 2022Inventors: Akeshi Asaka, Taiki Watanabe, Yuma Kobayashi, Hidetaka Kawamura, Satoru Nishiuma, Akihiro Taya, Ryunosuke Kawahara
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Patent number: 8835185Abstract: A substrate of a target substance-detecting element for detecting a target substance in a specimen based on localized surface plasmon resonance comprises a supporting member and a metal nano-dot group provided on the supporting member, metal nano-dots each of which is comprised in the metal nano-dot group and adjacent to each other are arranged with a gap between the metal nano-dots of not larger than 30 nm.Type: GrantFiled: January 17, 2007Date of Patent: September 16, 2014Assignee: Canon Kabushiki KaishaInventors: Satoru Nishiuma, Masaya Ogino
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Patent number: 8149410Abstract: A necessary number of metal structures including a trapping body for trapping a target substance provided on a support are one-dimensionally placed to form a transmission path of plasmon, and a signal based on the plasmon transmitted on the transmission path is detected so as to detect whether or not there is trapping of the target substance from a sample to the trapping body. It is thereby possible to detect a reaction of the trapping body belonging to the detecting unit and the target substance with high sensitivity.Type: GrantFiled: March 20, 2007Date of Patent: April 3, 2012Assignee: Canon Kabushiki KaishaInventors: Kazuo Isaka, Satoru Nishiuma, Masaya Ogino
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Patent number: 8045141Abstract: The present invention provides a detecting element which can stably detect a substance with high sensitivity; a detecting device therefor; and a detecting method therefor. The detecting element and the detecting device according to the present invention have a plurality of planes having a plurality of mutually-separated metallic structures arranged thereon. The detecting method according to the present invention includes making a detecting light irradiate the detecting element so that the light can intersect a plurality of the planes. Thereby, the detecting light is more frequently absorbed in the vicinity of the metallic structure and the detecting device can stably detect a slight change of a spectrum originating from a trace change of a refractive index occurring in the vicinity of the metallic structure, with the high sensitivity.Type: GrantFiled: May 8, 2007Date of Patent: October 25, 2011Assignee: Canon Kabushiki KaishaInventors: Yoichiro Handa, Satoru Nishiuma
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Patent number: 8023109Abstract: A detection device comprising a substrate comprising a plurality of objects of which properties are changed due to the contact with a target substance, means for bringing the target substance into contact with the objects, and means for detecting a change in properties of the objects caused when the target substance is brought into contact with the objects, based on light output when the objects are irradiated with light, wherein the plurality of the objects are located in the direction in which the light for irradiation travels, and the detecting means is means for detecting the change in the properties based on the summation of light output from the plurality of the objects upon irradiation with light.Type: GrantFiled: September 30, 2010Date of Patent: September 20, 2011Assignee: Canon Kabushiki KaishaInventors: Junta Yamamichi, Miki Ogawa, Yoichiro Handa, Takeshi Imamura, Norihiko Utsunomiya, Satoru Nishiuma
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Patent number: 7944564Abstract: An information-acquiring device for acquiring information on an objective substance to be detected, which is provided with a sensing element that has a surface capable of fixing the objective substance to be detected thereon, and makes applied light change its wavelength characteristics in response to the fixed state of the objective substance to be detected onto the surface, a light source, and light-receiving means for receiving light emitted from the light source through the sensing element, has the light-receiving means and the light source arranged on the same substrate so that the light which has been emitted from the light source and has been transmitted through the sensing element can be led to the light-receiving means, and has means for varying the wavelength regions of each light incident on each of a plurality of the light-receiving means installed in an optical path from the light source to the light-receiving means.Type: GrantFiled: December 18, 2009Date of Patent: May 17, 2011Assignee: Canon Kabushiki KaishaInventors: Norihiko Utsunomiya, Mitsuro Sugita, Satoru Nishiuma, Takao Yonehara
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Patent number: 7915053Abstract: A substrate for forming a target substance detecting device includes a supporting member, an underlying layer disposed on a surface of the supporting member, and a metal pattern layer, disposed on a surface of the underlying layer, for being bound to a target substance trapping substance capable of trapping a target substance in a specimen solution at least containing water as a liquid medium to detect the target substance by utilizing plasmon resonance. The underlying layer has a refractive index nb satisfying the following relationship: 0.90 na?nb?1.05 na, wherein na represents a refractive index of water.Type: GrantFiled: December 20, 2006Date of Patent: March 29, 2011Assignee: Canon Kabushiki KaishaInventors: Junta Yamamichi, Satoru Nishiuma, Tomohiro Yamada, Masaya Ogino, Ryo Kuroda, Hidenori Shiotsuka
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Publication number: 20110019195Abstract: A detection device comprising a substrate comprising a plurality of objects of which properties are changed due to the contact with a target substance, means for bringing the target substance into contact with the objects, and means for detecting a change in properties of the objects caused when the target substance is brought into contact with the objects, based on light output when the objects are irradiated with light, wherein the plurality of the objects are located in the direction in which the light for irradiation travels, and the detecting means is means for detecting the change in the properties based on the summation of light output from the plurality of the objects upon irradiation with light.Type: ApplicationFiled: September 30, 2010Publication date: January 27, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Junta Yamamichi, Miki Ogawa, Yoichiro Handa, Takeshi Imamura, Norihiko Utsunomiya, Satoru Nishiuma
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Patent number: 7859672Abstract: An optical element of the present invention includes a conductive microstructure having a conductive property, and detects an optical spectrum signal varied by the binding of measured molecules on the surface of the conductive microstructure. The optical element has a distribution in the binding capacity of the measured molecules on the surface of the conductive microstructure in the direction of the electric displacement vector generated inside the conductive microstructure. As a result, it is possible to provide an optical element capable of measuring the density at high accuracy without depending on the binding position of the measured molecules.Type: GrantFiled: March 10, 2008Date of Patent: December 28, 2010Assignee: Canon Kabushiki KaishaInventors: Tomohiro Yamada, Yoichiro Handa, Satoru Nishiuma, Ryo Kuroda
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Patent number: 7826042Abstract: A detection device comprising a substrate comprising a plurality of objects of which properties are changed due to the contact with a target substance, means for bringing the target substance into contact with the objects, and means for detecting a change in properties of the objects caused when the target substance is brought into contact with the objects, based on light output when the objects are irradiated with light, wherein the plurality of the objects are located in the direction in which the light for irradiation travels, and the detecting means is means for detecting the change in the properties based on the summation of light output from the plurality of the objects upon irradiation with light.Type: GrantFiled: March 2, 2005Date of Patent: November 2, 2010Assignee: Canon Kabushiki KaishaInventors: Junta Yamamichi, Miki Ogawa, Yoichiro Handa, Takeshi Imamura, Norihhiko Utsunomiya, Satoru Nishiuma
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Publication number: 20100220328Abstract: A necessary number of metal structures including a trapping body for trapping a target substance provided on a support are one-dimensionally placed to form a transmission path of plasmon, and a signal based on the plasmon transmitted on the transmission path is detected so as to detect whether or not there is trapping of the target substance from a sample to the trapping body. It is thereby possible to detect a reaction of the trapping body belonging to the detecting unit and the target substance with high sensitivity.Type: ApplicationFiled: March 20, 2007Publication date: September 2, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Kazuo Isaka, Satoru Nishiuma, Masaya Ogino
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Publication number: 20100178713Abstract: A substrate of a target substance-detecting element for detecting a target substance in a specimen based on localized surface plasmon resonance comprises a supporting member and a metal nano-dot group provided on the supporting member, metal nano-dots each of which is comprised in the metal nano-dot group and adjacent to each other are arranged with a gap between the metal nano-dots of not larger than 30 nm.Type: ApplicationFiled: January 17, 2007Publication date: July 15, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Satoru Nishiuma, Masaya Ogino
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Publication number: 20100097612Abstract: An information-acquiring device for acquiring information on an objective substance to be detected, which is provided with a sensing element that has a surface capable of fixing the objective substance to be detected thereon, and makes applied light change its wavelength characteristics in response to the fixed state of the objective substance to be detected onto the surface, a light source, and light-receiving means for receiving light emitted from the light source through the sensing element, has the light-receiving means and the light source arranged on the same substrate so that the light which has been emitted from the light source and has been transmitted through the sensing element can be led to the light-receiving means, and has means for varying the wavelength regions of each light incident on each of a plurality of the light-receiving means installed in an optical path from the light source to the light-receiving means.Type: ApplicationFiled: December 18, 2009Publication date: April 22, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Norihiko Utsunomiya, Mitsuro Sugita, Satoru Nishiuma, Takao Yonehara
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Patent number: 7691648Abstract: Magnetic particles with a metal coat holding target substance captors are made to react with a target substance contained in a specimen in a solution where the magnetic particles are dispersed in a liquid medium. Subsequently, the dispersion of the magnetic particles is applied to a surface having a periodic structure that is adapted to generate plasmon resonance and a change in the plasmon resonance attributable to the concentration of the target substance held on the magnetic particles fixed magnetically to the surface is optically detected to determine the concentration of the target substance in the specimen.Type: GrantFiled: May 19, 2008Date of Patent: April 6, 2010Assignee: Canon Kabushiki KaishaInventors: Satoru Nishiuma, Norihiko Utsunomiya, Takashi Ikeda
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Patent number: 7692791Abstract: A target substance-detecting apparatus comprises a target substance-detecting element comprising metal structures, a light irradiation section for irradiating the target substance-detecting element with a light, a light-polarizing section which polarizes the irradiating light and separates an output light emitted from the target substance-detecting element into a first polarized light and a second polarized light, first and second light-receiving sections for outputting first and second signals according to intensity of the first and second polarized lights, respectively; and a control section which determines peaks of absorbances of the first and second polarized lights by measuring the absorbances from the first and second signals respectively, and controls the target substance-detecting element so that the peak values of the first and second absorbances can be maximized and minimized respectively by controlling a incidence angle of formed by a vibration direction of the incident light and a main axis of thType: GrantFiled: June 20, 2008Date of Patent: April 6, 2010Assignee: Canon Kabushiki KaishaInventors: Satoru Nishiuma, Norihiko Utsunomiya, Tetsunori Ojima
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Patent number: 7659987Abstract: An information-acquiring device for acquiring information on an objective substance to be detected, which is provided with a sensing element that has a surface capable of fixing the objective substance to be detected thereon, and makes applied light change its wavelength characteristics in response to the fixed state of the objective substance to be detected onto the surface, a light source, and light-receiving means for receiving light emitted from the light source through the sensing element, has the light-receiving means and the light source arranged on the same substrate so that the light which has been emitted from the light source and has been transmitted through the sensing element can be led to the light-receiving means, and has means for varying the wavelength regions of each light incident on each of a plurality of the light-receiving means installed in an optical path from the light source to the light-receiving means.Type: GrantFiled: September 14, 2005Date of Patent: February 9, 2010Assignee: Canon Kabushiki KaishaInventors: Norihiko Utsunomiya, Mitsuro Sugita, Satoru Nishiuma, Takao Yonehara
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Publication number: 20090310133Abstract: The present invention provides a method for designing a light transmission device, which adjusts a wavelength region of a spectrum of transmitted light without expanding a width of a transmission spectrum and without lowering the transmittance. The method for designing a light transmission device having a metal thin film, and a rectangular aperture which is formed in a plane of the metal thin film, has a long side and a short side and makes light pass therethrough, wherein the short side has a dimension smaller than a wavelength of incident light, and the long side is determined to have such a dimension that a peak wavelength at which the transmittance of light passing through the rectangular aperture is maximal can be a predetermined value.Type: ApplicationFiled: February 26, 2007Publication date: December 17, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Masaya Ogino, Tomohiro Yamada, Satoru Nishiuma, Natsuhiko Mizutani, Ryo Kuroda
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Publication number: 20090117669Abstract: A substrate for forming a target substance detecting device includes a supporting member, an underlying layer disposed on a surface of the supporting member, and a metal pattern layer, disposed on a surface of the underlying layer, for being bound to a target substance trapping substance capable of trapping a target substance in a specimen solution at least containing water as a liquid medium to detect the target substance by utilizing plasmon resonance. The underlying layer has a refractive index nb satisfying the following relationship: 0.90na?nb?1.05na, wherein na represents a refractive index of water.Type: ApplicationFiled: December 20, 2006Publication date: May 7, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Junta Yamamichi, Satoru Nishiuma, Tomohiro Yamada, Masaya Ogino, Ryo Kuroda, Hidenori Shiotsuka
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Publication number: 20090109422Abstract: The present invention provides a detecting element which can stably detect a substance with high sensitivity; a detecting device therefor; and a detecting method therefor. The detecting element and the detecting device according to the present invention have a plurality of planes having a plurality of mutually-separated metallic structures arranged thereon. The detecting method according to the present invention includes making a detecting light irradiate the detecting element so that the light can intersect a plurality of the planes. Thereby, the detecting light is more frequently absorbed in the vicinity of the metallic structure and the detecting device can stably detect a slight change of a spectrum originating from a trace change of a refractive index occurring in the vicinity of the metallic structure, with the high sensitivity.Type: ApplicationFiled: May 8, 2007Publication date: April 30, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Yoichiro Handa, Satoru Nishiuma