Patents by Inventor Yoshinori Kotani
Yoshinori Kotani 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: 20110189389Abstract: It is an object to provide an optical transparent member capable of maintaining a high-performance antireflection effect for a base over a long period of time, and an optical system using the same, specifically an optical transparent member including on a base a layer containing SiO2 as a main component, a layer containing Al2O3 as a main component, and a plate crystal layer formed from plate crystals containing Al2O3 as a main component, wherein the surface of the plate crystal layer has a shape of irregularities, and an optical system using the same.Type: ApplicationFiled: April 13, 2011Publication date: August 4, 2011Applicants: CANON KABUSHIKI KAISHA, OSAKA PREFECTURE UNIVERSITYInventors: Masayuki Yamada, Yoshinori Kotani, Hiroyuki Tanaka, Takeharu Okuno, Tsutomu Minami, Masahiro Tatsumisago, Kiyoharu Tadanaga
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Patent number: 7931936Abstract: It is an object to provide an optical transparent member capable of maintaining a high-performance antireflection effect for a base over a long period of time, and an optical system using the same, specifically an optical transparent member including on a base a layer containing SiO2 as a main component, a layer containing Al2O3 as a main component, and a plate crystal layer formed from plate crystals containing Al2O3 as a main component, wherein the surface of the plate crystal layer has a shape of irregularities, and an optical system using the same.Type: GrantFiled: October 24, 2008Date of Patent: April 26, 2011Assignees: Canon Kabushiki Kaisha, Osaka Prefecture UniversityInventors: Masayuki Yamada, Yoshinori Kotani, Hiroyuki Tanaka, Takeharu Okuno, Tsutomu Minami, Masahiro Tatsumisago, Kiyoharu Tadanaga
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Patent number: 7811684Abstract: It is an object to provide an optical transparent member capable of maintaining a high-performance antireflection effect for a base over a long period of time, and an optical system using the same, specifically an optical transparent member including on a base a layer containing SiO2 as a main component, a layer containing Al2O3 as a main component, and a plate crystal layer formed from plate crystals containing Al2O3 as a main component, wherein the surface of the plate crystal layer has a shape of irregularities, and an optical system using the same.Type: GrantFiled: February 17, 2006Date of Patent: October 12, 2010Assignees: Canon Kabushiki Kaisha, Osaka Prefecture UniversityInventors: Masayuki Yamada, Yoshinori Kotani, Hiroyuki Tanaka, Takeharu Okuno, Tsutomu Minami, Masahiro Tatsumisago, Kiyoharu Tadanaga
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Publication number: 20100255280Abstract: Provided is an oxide film including an Si component, in which a relative intensity ratio B/A of an absorption peak intensity B at a wavenumber of 1,000 to 850 cm?1 assigned to an Si—O-M bond where M represents H or a metal element to an absorption peak intensity A at a wavenumber of 1,200 to 1,000 cm?1 assigned to an Si—O bond in infrared absorption spectrum measurement of the film is 0.86 or more to 1.02 or less and an optical member using the oxide film are provided. The oxide film shows suppressed fluctuations in its characteristics even when left to stand under a high-temperature, high-humidity environment for a long time period; has significantly improved durability; and is stable over a long time period and an optical member using the oxide film.Type: ApplicationFiled: December 9, 2008Publication date: October 7, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Yoshinori Kotani, Masayuki Yamada, Hiroyuki Tanaka, Tetsuya Hiraide
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Patent number: 7767287Abstract: A method of manufacturing an optical element having a good reflection preventing characteristic is provided in which an irregularity structure having a reflection preventing function can be formed at low temperature. The method includes forming a film on the optical substrate by using a coating liquid containing a metal alkoxide containing at least aluminum, immersing the film in a water-containing liquid, baking the film having been immersed in the water-containing liquid, and subjecting the film having been baked to treatment with warm water to form an aluminum-containing film having a fine irregularity structure.Type: GrantFiled: July 20, 2009Date of Patent: August 3, 2010Assignee: Canon Kabushiki KaishaInventors: Hiroyuki Tanaka, Masayuki Yamada, Yoshinori Kotani
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Patent number: 7691990Abstract: Provided is a structure designed for adsorption, which is suitable for removing dioxin and dioxin-like substances from leachate and ground water from polluted soils or garbage, washing effluent from garbage incinerators and so on that contain DNA intercalators, particularly, dioxin and dioxin-like substances. The structure designed for adsorption is a structure designed for adsorption having an adsorbing layer containing, as a constituent, a DNA complex containing a DNA-binding protein, DNA including double strand DNA and a carrier, which can selectively remove DNA intercalators with high efficiency from water, gas and so on containing them.Type: GrantFiled: June 14, 2005Date of Patent: April 6, 2010Assignees: Canon Kabushiki Kaisha, Hitachi Plant Technologies, Ltd.Inventors: Zuyi Zhang, Toshiya Yuasa, Yoshinori Kotani, Kazumi Tanaka, Hajime Ikuta, Kunio Miyasaka
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Publication number: 20090280335Abstract: A method of manufacturing an optical element having a good reflection preventing characteristic is provided in which an irregularity structure having a reflection preventing function can be formed at low temperature. The method includes forming a film on the optical substrate by using a coating liquid containing a metal alkoxide containing at least aluminum, immersing the film in a water-containing liquid, baking the film having been immersed in the water-containing liquid, and subjecting the film having been baked to treatment with warm water to form an aluminum-containing film having a fine irregularity structure.Type: ApplicationFiled: July 20, 2009Publication date: November 12, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Hiroyuki Tanaka, Masayuki Yamada, Yoshinori Kotani
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Publication number: 20090081361Abstract: It is an object to provide an optical transparent member capable of maintaining a high-performance antireflection effect for a base over a long period of time, and an optical system using the same, specifically an optical transparent member including on a base a layer containing SiO2 as a main component, a layer containing Al2O3 as a main component, and a plate crystal layer formed from plate crystals containing Al2O3 as a main component, wherein the surface of the plate crystal layer has a shape of irregularities, and an optical system using the same.Type: ApplicationFiled: October 24, 2008Publication date: March 26, 2009Applicants: CANON KABUSHIKI KAISHA, OSAKA PREFECTURE UNIVERESITYInventors: Masayuki Yamada, Yoshinori Kotani, Hiroyuki Tanaka, Takeharu Okuno, Tsutomu Minami, Masahiro Tatsumisago, Kiyoharu Tadanaga
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Publication number: 20090022954Abstract: A transparent antireflection film, including fine irregularities mainly composed of alumina, and a transparent thin film layer supporting the fine irregularities, in which the transparent thin film layer contains at least one selected from the group consisting of zirconia, silica, titania, and zinc oxide. A production method for the aforementioned transparent antireflection film, including: forming a multicomponent film using an application liquid containing at least one compound selected from the group consisting of a zirconium compound, a silicon compound, a titanium compound, and a zinc compound, and at least an aluminum compound; and subjecting the multicomponent film to warm water treatment.Type: ApplicationFiled: September 24, 2008Publication date: January 22, 2009Applicants: CANON KABUSHIKI KAISHA, OSAKA PREFECTURE UNIVERSITYInventors: Yoshinori Kotani, Masayuki Yamada, Zuyi Zhang, Makoto Kubota, Tsutomu Minami, Masahiro Tatsumisago, Kiyoharu Tadanaga, Atsunori Matsuda
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Publication number: 20080305254Abstract: A method of manufacturing an optical element having a good reflection preventing characteristic is provided in which an irregularity structure having a reflection preventing function can be formed at low temperature. The method includes forming a film on the optical substrate by using a coating liquid containing a metal alkoxide containing at least aluminum, immersing the film in a water-containing liquid, baking the film having been immersed in the water-containing liquid, and subjecting the film having been baked to treatment with warm water to form an aluminum-containing film having a fine irregularity structure.Type: ApplicationFiled: May 30, 2008Publication date: December 11, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Hiroyuki Tanaka, Masayuki Yamada, Yoshinori Kotani
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Publication number: 20080176227Abstract: Provided are a DNA carrier where DNA is firmly held in a substrate, which can reduce the elution of DNA into water and can take full advantage of the capability of DNA to selectively and specifically collect a substance; and a method of producing the DNA carrier. Also provided is a collection system using DNA, which can be used in the high-accuracy detection of a particular substance and in an environmental cleanup capable of efficiently removing a substance, in which the DNA carrier is used to collect the substance contained in air or water by taking full advantage of the capability of DNA to selectively and specifically collect the substance. The DNA carrier is one where DNA is held in a porous matrix containing polyorganosiloxane with a basic functional group and particles. Preferably, the polyorganosiloxane with a basic functional group contains a hydrolysis condensate of one or more of particular silane compounds with an amino group.Type: ApplicationFiled: July 13, 2005Publication date: July 24, 2008Applicant: Canon Kabushiki KaishaInventors: Zuyi Zhang, Teigo Sakakibara, Yoshinori Kotani, Kazuyuki Matsumura, Norio Nishi
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Publication number: 20070148675Abstract: Provided is a structure designed for adsorption, which is suitable for removing dioxin and dioxin-like substances from leachate and ground water from polluted soils or garbage, washing effluent from garbage incinerators and so on that contain DNA intercalators, particularly, dioxin and dioxin-like substances. The structure designed for adsorption is a structure designed for adsorption having an adsorbing layer containing, as a constituent, a DNA complex containing a DNA-binding protein, DNA including double strand DNA and a carrier, which can selectively remove DNA intercalators with high efficiency from water, gas and so on containing them.Type: ApplicationFiled: June 14, 2005Publication date: June 28, 2007Applicants: CANON KABUSHIKI KAISHA, HITACHI PLANT TECHNOLOGIES, LTD.Inventors: Zuyi Zhang, Toshiya Yuasa, Yoshinori Kotani, Kazumi Tanaka, Hajime Ikuta, Kunio Miyasaka
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Publication number: 20070135672Abstract: A DNA hybrid which comprises a porous oxide matrix and DNA immobilized thereon, and is useful for environmental clean-up, where the hybrid is prepared by removing a dispersion medium from a dispersion of colloidal oxide and DNA.Type: ApplicationFiled: January 16, 2007Publication date: June 14, 2007Applicant: CANON KABUSHIKI KAISHAInventors: Zuyi Zhang, Teigo Sakakibara, Yoshinori Kotani, Norio Nishi
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Publication number: 20060205007Abstract: There is provided a DNA supporting fiber capable of maintaining the stability of DNA and efficiently expressing the adsorption property of DNA. Also provided is a DNA supporting sheet useful in a variety of applications, the sheet that utilizes the fiber. The DNA supporting fiber is produced by fusing and fixing, onto the surface composed of a thermoplastic resin of a fiber, particles where DNA as an adsorbent is immobilized in a porous matrix containing an inorganic oxide.Type: ApplicationFiled: May 19, 2006Publication date: September 14, 2006Applicant: Canon Kabushiki KaishaInventors: Zuyi Zhang, Toshiya Yuasa, Shinji Eritate, Yoshinori Kotani, Masaaki Kawabe, Tatsuo Nakamura, Koichi Kato, Yoshiyuki Tozawa
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Publication number: 20060199040Abstract: It is an object to provide an optical transparent member capable of maintaining a high-performance antireflection effect for a base over a long period of time, and an optical system using the same, specifically an optical transparent member including on a base a layer containing SiO2 as a main component, a layer containing Al2O3 as a main component, and a plate crystal layer formed from plate crystals containing Al2O3 as a main component, wherein the surface of the plate crystal layer has a shape of irregularities, and an optical system using the same.Type: ApplicationFiled: February 17, 2006Publication date: September 7, 2006Applicants: CANON KABUSHIKI KAISHA, OSAKA PREFECTURE UNIVERSITYInventors: Masayuki Yamada, Yoshinori Kotani, Hiroyuki Tanaka, Takeharu Okuno, Tsutomu Minami, Masahiro Tatsumisago, Kiyoharu Tadanaga
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Publication number: 20060051765Abstract: A DNA hybrid which comprises a porous oxide matrix and DNA immobilized thereon, and is useful for environmental clean-up, where the hybrid is prepared by removing a dispersion medium from a dispersion of colloidal oxide and DNA.Type: ApplicationFiled: May 25, 2004Publication date: March 9, 2006Applicant: CANON KABUSHIKI KAISHAInventors: Zuyi Zhang, Teigo Sakakibara, Yoshinori Kotani, Norio Nishi
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Publication number: 20050233113Abstract: A transparent antireflection film, including fine irregularities mainly composed of alumina, and a transparent thin film layer supporting the fine irregularities, in which the transparent thin film layer contains at least one selected from the group consisting of zirconia, silica, titania, and zinc oxide. A production method for the aforementioned transparent antireflection film, including: forming a multicomponent film using an application liquid containing at least one compound selected from the group consisting of a zirconium compound, a silicon compound, a titanium compound, and a zinc compound, and at least an aluminum compound; and subjecting the multicomponent film to warm water treatment.Type: ApplicationFiled: February 16, 2005Publication date: October 20, 2005Applicants: Canon Kabushiki Kaisha, Tsutomu Minami, Masahiro Tatsumisago, Kiyoharu Tadanaga, Atsunori MatsudaInventors: Yoshinori Kotani, Masayuki Yamada, Zuyi Zhang, Makoto Kubota, Tsutomu Minami, Masahiro Tatsumisago, Kiyoharu Tadanaga, Atsunori Matsuda
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Publication number: 20050170402Abstract: A liquid containing a separation target substance is brought into contact with a double helix DNA-holding phase to have the separation target substance held by the double helix DNA-holding phase, which is then removed from the liquid. On this occasion, the contact of the double helix DNA with the separation target substance is performed in an aqueous medium having a salt concentration of 0.02 mass % or more.Type: ApplicationFiled: January 31, 2005Publication date: August 4, 2005Applicant: CANON KABUSHIKI KAISHAInventors: Zuyi Zhang, Teigo Sakakibara, Yoshinori Kotani, Toshiya Yuasa, Norio Nishi
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Patent number: 6783845Abstract: An anti-fogging coating material is disclosed which comprises a phosphoric acid compound binder; and oxide particles having an average particle diameter of 1 to 300 nm mixed with the phosphoric acid compound binder and provides an anti-fogging coating with a high hydrophilic property and a high water absorption property, capable of retaining the high hydrophilic property for a long period of time.Type: GrantFiled: February 10, 2003Date of Patent: August 31, 2004Assignee: Canon Kabushiki KaishaInventors: Zuyi Zhang, Teigo Sakakibara, Masayuki Yamada, Yoshinori Kotani
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Publication number: 20030152763Abstract: An anti-fogging coating material is disclosed which comprises a phosphoric acid compound binder; and oxide particles having an average particle diameter of 1 to 300 nm mixed with the phosphoric acid compound binder and provides an anti-fogging coating with a high hydrophilic property and a high water absorption property, capable of retaining the high hydrophilic property for a long period of time.Type: ApplicationFiled: February 10, 2003Publication date: August 14, 2003Applicant: CANON KABUSHIKI KAISHAInventors: Zuyi Zhang, Teigo Sakakibara, Masayuki Yamada, Yoshinori Kotani