Patents by Inventor Akihiro Muramatsu
Akihiro Muramatsu 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: 20200383441Abstract: An eyeglasses case has a case main body having an eyeglasses accommodating portion in which electronic eyeglasses are accommodated, and a charger accommodating portion that is provided so as to be sectioned off from the eyeglasses accommodating portion and in which a charger of the electronic eyeglasses is accommodated. Further, the eyeglasses case has a cover portion that, by being engaged with the case main body, forms a space in which the electronic eyeglasses and the charger are accommodated between the cover portion and the case main body, and the cover portion has a displacement restricting portion that restricts movement of the charger within the charger accommodating portion.Type: ApplicationFiled: September 15, 2017Publication date: December 10, 2020Inventors: Ryuki KAN, Masayoshi HINO, Akihiro MURAMATSU
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Patent number: 10859865Abstract: The lens comprises: a first transparent substrate that includes a diffraction region in which a plurality of convex strips and groove sections are formed in alternation in concentric circles; a second transparent substrate that faces the first transparent substrate; a liquid crystal layer disposed in a space present between the diffraction region and the second transparent substrate; and a first transparent electrode and a second transparent electrode that impress a voltage on the liquid crystal layer. The diffraction region comprises a first diffraction region and a second diffraction region that is disposed in at least part of a portion different from the first diffraction region. The space comprises: groove-shaped spaces present between the groove sections and the second transparent substrate; and a communicating space disposed between at least part of the convex shapes of the second diffraction region and the second transparent substrate, and communicating between neighboring groove-shaped spaces.Type: GrantFiled: October 4, 2017Date of Patent: December 8, 2020Assignee: MITSUI CHEMICALS, INC.Inventors: Yoshinobu Okada, Eiichiro Hikosaka, Toshifumi Hino, Akifumi Aono, Akihiro Muramatsu
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Publication number: 20200133031Abstract: Eyewear having: an optical module; an input unit; a sensing unit; a storage unit that stores at least conditions that change optical properties of the optical module; and a control unit that performs electric control of the optical module, in accordance with a set mode, by using electric control. The set modes include: a first mode in which the control unit electrically controls the optical module on the basis of a condition stored in the storage unit and a detection value for the sensing unit; and a second mode in which the control unit electrically controls the optical module on the basis of instructions received by the input unit. The conditions stored in the storage unit are updated on the basis of the detection value for the sensing unit when the input unit has received an instruction in the second mode.Type: ApplicationFiled: March 8, 2018Publication date: April 30, 2020Inventors: Akihiro MURAMATSU, Akifumi AONO, Ryuki KAN, Takafumi OHTO, Sho TANAKA
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Publication number: 20200133025Abstract: Eyewear having: a frame; an optical module held by the frame and changing optical properties by electric control; a sensing unit that obtains information pertaining to a usage environment; and a control unit that, on the basis of the information obtained by the sensing unit, changes the optical properties of the optical module. The control unit switches between a mode in which optical properties of can be changed and a mode in which optical properties cannot be changed, on the basis of the information obtained by the sensing unit, and changes the optical properties of the optical module when in the mode in which optical properties can be changed. As a result, eyewear is provided that can switch between modes that change or do not change optical properties, in accordance with the usage environment.Type: ApplicationFiled: March 6, 2018Publication date: April 30, 2020Inventors: Akihiro MURAMATSU, Yoshinobu OKADA, Eiichiro HIKOSAKA, Akifumi AONO
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Publication number: 20200026098Abstract: A lens is provided with a lens body. The lens body is provided with a Fresnel lens part in which a plurality of protrusions and depressions that constitute at least parts of a plurality of concentric circles are formed. A diffracting part has a horizontally elongated outer shape when viewed in a direction in which light enters the lens body, and at least parts of first outer peripheral edges of the diffracting part located at both ends in a longitudinal direction form circular arcs that extend along concentric circles. Second outer peripheral edges of the diffracting part that are located at both ends in a lateral direction are located inward from a concentric circle that includes circular arcs formed by parts of the first outer peripheral edges, and are connected to parts of the first outer peripheral edges forming the circular arcs via bent portion.Type: ApplicationFiled: September 20, 2017Publication date: January 23, 2020Inventors: Yoshinobu OKADA, Eiichiro HIKOSAKA, Akihiro MURAMATSU
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Publication number: 20200004049Abstract: The lens comprises: a first transparent substrate that includes a diffraction region in which a plurality of convex strips and groove sections are formed in alternation in concentric circles; a second transparent substrate that faces the first transparent substrate; a liquid crystal layer disposed in a space present between the diffraction region and the second transparent substrate; and a first transparent electrode and a second transparent electrode that impress a voltage on the liquid crystal layer. The diffraction region comprises a first diffraction region and a second diffraction region that is disposed in at least part of a portion different from the first diffraction region. The space comprises: groove-shaped spaces present between the groove sections and the second transparent substrate; and a communicating space disposed between at least part of the convex shapes of the second diffraction region and the second transparent substrate, and communicating between neighboring groove-shaped spaces.Type: ApplicationFiled: October 4, 2017Publication date: January 2, 2020Inventors: Yoshinobu OKADA, Eiichiro HIKOSAKA, Toshifumi HINO, Akifumi AONO, Akihiro MURAMATSU
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Publication number: 20190324294Abstract: Provided is a lens that includes a lens body and an internal electrode at least a part of which is exposed to an outer edge part of the lens body. The lens is configured so that in the outer edge part of the lens body, the shape of a first region that includes an exposed part where the internal electrode is exposed and the shape of a second region that does not include the exposed part are different. This configuration makes it possible to provide a lens that can be easily attached to a frame.Type: ApplicationFiled: October 6, 2017Publication date: October 24, 2019Inventors: Tsuyoshi KAMIBEPPU, Hirofumi ASADA, Akifumi AONO, Akihiro MURAMATSU, Toshifumi HINO
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Patent number: 10423011Abstract: A lens includes a lens body, and an electro-active section (liquid crystals and a diffraction section) that is provided to a region of part of the lens body. The lens includes a pair of electrodes that are embedded in the lens body, that are electrically connected to a focal length modification section, that extend downward from an upper side end of the lens body, and that are disposed substantially parallel to each other spaced apart in a width direction orthogonal to an up-down direction of the lens body. Lower ends of the pair of electrodes are disposed spaced apart from the electro-active section in the up-down direction of the lens body.Type: GrantFiled: December 27, 2016Date of Patent: September 24, 2019Assignee: Mitsui Chemicals, Inc.Inventors: Ronald D. Blum, Sophie Adams, David Boyd, Richard Clompus, Mark Graham, Joshua Haddock, Robert Hall, Venki Iyer, William Kokonaski, Charles Willey, Yongping Wang, Claudio Dalla Longa, Tsuyoshi Kamibeppu, Akifumi Aono, Akihiro Muramatsu
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Publication number: 20170108713Abstract: A lens includes a lens body, and an electro-active section (liquid crystals and a diffraction section) that is provided to a region of part of the lens body. The lens includes a pair of electrodes that are embedded in the lens body, that are electrically connected to a focal length modification section, that extend downward from an upper side end of the lens body, and that are disposed substantially parallel to each other spaced apart in a width direction orthogonal to an up-down direction of the lens body. Lower ends of the pair of electrodes are disposed spaced apart from the electro-active section in the up-down direction of the lens body.Type: ApplicationFiled: December 27, 2016Publication date: April 20, 2017Applicant: Mitsui Chemicals, Inc.Inventors: Ronald D. BLUM, Sophie ADAMS, David BOYD, Richard CLOMPUS, Mark GRAHAM, Joshua HADDOCK, Robert HALL, Venki IYER, William KOKONASKI, Charles WILLEY, Yongping WANG, Claudio Dalla LONGA, Tsuyoshi KAMIBEPPU, Akifumi AONO, Akihiro MURAMATSU
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Patent number: 8979262Abstract: A semi-finished blank for a varifocal lens, as well as a varifocal lens and varifocal eyeglasses, have power consumption reduced and avoid a decrease in commercial value. A first substrate has a first transparent conductive film that is produced on the front face of this first substrate. A second substrate that is opposite the first substrate has a second transparent conductive film that is produced on the back face of this second substrate. A varifocal portion is disposed between the front face of the first substrate and the back face of the second substrate. The first transparent conductive film is separated by laser into a first region that includes a region that is opposite the varifocal portion, and a region other than this first region.Type: GrantFiled: August 30, 2013Date of Patent: March 17, 2015Assignee: Mitsui Chemicals, Inc.Inventors: Kouji Sone, Satoko Machida, Shunsuke Nishihara, Akihiro Muramatsu
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Publication number: 20140002791Abstract: It is an object to provide a semi-finished blank for a varifocal lens, as well as a varifocal lens and varifocal eyeglasses, with which power consumption can be reduced and a decrease in commercial value can be prevented. The invention comprises a first substrate, a first transparent conductive film that is produced on the front face of this first substrate, a second substrate that is opposite the first substrate, a second transparent conductive film that is produced on the back face of this second substrate, and a varifocal portion that is disposed between the front face of the first substrate and the back face of the second substrate. The first transparent conductive film is separated by laser into a first region that includes a region that is opposite the varifocal portion, and a region other than this first region.Type: ApplicationFiled: August 30, 2013Publication date: January 2, 2014Applicant: Panasonic CorporationInventors: Kouji SONE, Satoko MACHIDA, Shunsuke NISHIHARA, Akihiro MURAMATSU
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Publication number: 20120154741Abstract: It is an object to provide a semi-finished blank for a varifocal lens, as well as a varifocal lens and varifocal eyeglasses, with which power consumption can be reduced and a decrease in commercial value can be prevented. The invention comprises a first substrate 19, a first transparent conductive film 21 that is produced on the front face of this first substrate 19, a second substrate 41 that is opposite the first substrate 19, a second transparent conductive film 43 that is produced on the back face of this second substrate 41, and a varifocal portion 5 that is disposed between the front face of the first substrate 19 and the back face of the second substrate 41. The first transparent conductive film 21 is separated by laser into a first region 31 that includes a region that is opposite the varifocal portion 5, and a region 33 other than this first region 31.Type: ApplicationFiled: November 22, 2011Publication date: June 21, 2012Inventors: Kouji SONE, Satoko Machida, Shunsuke Nishihara, Akihiro Muramatsu
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Patent number: 8121713Abstract: An electronic apparatus having a CPU for controlling each portion of the apparatus has a storage unit for storing at least one of firmware or data to be used by the CPU, an input terminal to which a digital signal with a predetermined format is input, a processing unit for performing a predetermined process on the digital signal input from the input terminal, an extracting unit for extracting data located at predetermined timings in one frame of the digital signal input from the input terminal, and outputting the data as extracted data, and a rewriting unit for analyzing the extracted data and rewriting at least one of the firmware or the data in the storage unit based on a result of the analysis and the extracted data. The CPU at least serves as the extracting unit.Type: GrantFiled: September 15, 2005Date of Patent: February 21, 2012Assignee: Yamaha CorporationInventors: Akihiro Muramatsu, Akihiko Suyama
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Patent number: 7460307Abstract: To provide a compact and low-cost projector lens capable of appropriately performing temperature correction and obtaining excellent image quality although using a plurality of plastic lens elements, a first lens unit having negative refractive power and a second lens unit having positive refractive power are provided from the screen side, the first lens unit includes a negative meniscus lens element 1b being a plastic lens element, being convex to the screen side and having an aspherical surface, the second lens unit includes: a negative lens element 2b being a plastic lens element and having an aspherical surface; and at least two positive lens elements having anomalous dispersibility and a temperature coefficient of a negative refractive index, and an image plane fluctuation by a temperature change due to a temperature coefficient of a negative refractive index of the plastic lens elements 1b and 2b of the first and second lens units is corrected by the temperature coefficient of the predetermined negativeType: GrantFiled: April 20, 2005Date of Patent: December 2, 2008Assignee: Panasonic CorporationInventors: Akihiro Muramatsu, Yasuhisa Kitaoka
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Patent number: 7403099Abstract: A smart key system for a vehicle determines that a mobile communicator is not in the passenger compartment and that an in-trunk communicator communicates with the mobile communicator when the trunk gets locked. Then the smart key system executes a recovery process for the mobile communicator locked in the trunk.Type: GrantFiled: September 6, 2005Date of Patent: July 22, 2008Assignees: DENSO CORPORATION, Toyota Jidosha Kabushiki KaishaInventors: Hodaka Kamiya, Masachika Kamiya, Tomoo Kakegawa, Akihiro Muramatsu
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Publication number: 20080005540Abstract: An electronic apparatus having a CPU for controlling each portion of the apparatus, characterized by including storage means for storing at least one of firmware and data to be used by the CPU, an input terminal to which a digital signal with a predetermined format is input, processing means for performing a predetermined process on the digital signal input from the input terminal, extracting means for extracting data located at predetermined timings in one frame of the digital signal input from the input terminal, and outputting the data as extracted data, and rewriting means for analyzing the extracted data and rewriting at least one of the firmware and the data in the storage means based on a result of the analysis and the extracted data, wherein the CPU at least serves as the extracting means.Type: ApplicationFiled: September 15, 2005Publication date: January 3, 2008Applicant: Yamaha CorporationInventors: Akihiro Muramatsu, Akihiko Suyama
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Publication number: 20070217030Abstract: To provide a compact and low-cost projector lens capable of appropriately performing temperature correction and obtaining excellent image quality although using a plurality of plastic lens elements, a first lens unit having negative refractive power and a second lens unit having positive refractive power are provided from the screen side, the first lens unit includes a negative meniscus lens element 1b being a plastic lens element, being convex to the screen side and having an aspherical surface, the second lens unit includes: a negative lens element 2b being a plastic lens element and having an aspherical surface; and at least two positive lens elements having anomalous dispersibility and a temperature coefficient of a negative refractive index, and an image plane fluctuation by a temperature change due to a temperature coefficient of a negative refractive index of the plastic lens elements 1b and 2b of the first and second lens units is corrected by the temperature coefficient of the predetermined negativeType: ApplicationFiled: April 20, 2005Publication date: September 20, 2007Applicant: Matsushita Electric Industrial Co., Ltd.Inventors: Akihiro Muramatsu, Yasuhisa Kitaoka
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Publication number: 20060082436Abstract: A smart key system for a vehicle determines that a mobile communicator is not in the passenger compartment and that an in-trunk communicator communicates with the mobile communicator when the trunk gets locked. Then the smart key system executes a recovery process for the mobile communicator locked in the trunk.Type: ApplicationFiled: September 6, 2005Publication date: April 20, 2006Inventors: Hodaka Kamiya, Masachika Kamiya, Tomoo Kakegawa, Akihiro Muramatsu
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Patent number: D558813Type: GrantFiled: June 16, 2004Date of Patent: January 1, 2008Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Akihiro Muramatsu, Takashi Endo
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Patent number: D854607Type: GrantFiled: March 24, 2017Date of Patent: July 23, 2019Assignee: Mitsui Chemicals, Inc.Inventors: Akihiro Muramatsu, Hortense Desodt, Thomas Overthun, Martin Kay, Thomas Brisebras, Chris Hill