Patents by Inventor Koji Murayama
Koji Murayama 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: 11882348Abstract: To provide a monitoring camera device capable of stably shooting a device under a high-temperature environment. The present invention is directed to a monitoring camera device A used for monitoring a device under a high-temperature environment, the monitoring camera device A including a monitoring camera 1, a housing section 3 containing the monitoring camera 1, and a cooling air pipe 8 for introducing air into the housing section 3, in which the housing section 3 includes a cylindrical main body section 31 and a rear cover section 7 attached to a rear end of the main body section 31, and the cooling air pipe 8 is attached to the rear cover section 7.Type: GrantFiled: March 18, 2020Date of Patent: January 23, 2024Assignee: MAINTECH CO., LTD.Inventors: Hiroshi Sekiya, Hitomaru Sakata, Koji Murayama
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Patent number: 11390125Abstract: A wheel registration apparatus applied to a vehicle comprises: a transmitter that is provided on each of the four traveling wheels provided with tires and has a first controller configured to create and transmit a frame including unique identification information; and a receiver that is provided on a vehicle body, receives the frames transmitted by the transmitters provided on the four traveling wheels via a reception antenna in a registration mode, and has a second controller configured to register four pieces of the identification information included in the respective frames as pieces of identification information of the transmitters provided on current four traveling wheels.Type: GrantFiled: October 15, 2020Date of Patent: July 19, 2022Assignee: DENSO CORPORATIONInventors: Koji Murayama, Masashi Urabe, Masahiro Fukuda
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Publication number: 20220191353Abstract: To provide a monitoring camera device capable of stably shooting a device under a high-temperature environment. The present invention is directed to a monitoring camera device A used for monitoring a device under a high-temperature environment, the monitoring camera device A including a monitoring camera 1, a housing section 3 containing the monitoring camera 1, and a cooling air pipe 8 for introducing air into the housing section 3, in which the housing section 3 includes a cylindrical main body section 31 and a rear cover section 7 attached to a rear end of the main body section 31, and the cooling air pipe 8 is attached to the rear cover section 7.Type: ApplicationFiled: March 18, 2020Publication date: June 16, 2022Inventors: Hiroshi SEKIYA, Hitomaru SAKATA, Koji MURAYAMA
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Publication number: 20210023892Abstract: A wheel registration apparatus applied to a vehicle comprises: a transmitter that is provided on each of the four traveling wheels provided with tires and has a first controller configured to create and transmit a frame including unique identification information; and a receiver that is provided on a vehicle body, receives the frames transmitted by the transmitters provided on the four traveling wheels via a reception antenna in a registration mode, and has a second controller configured to register four pieces of the identification information included in the respective frames as pieces of identification information of the transmitters provided on current four traveling wheels.Type: ApplicationFiled: October 15, 2020Publication date: January 28, 2021Inventors: Koji MURAYAMA, Masashi URABE, Masahiro FUKUDA
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Patent number: 10818808Abstract: A method of producing a nanograin material wherein a hole-transporting surfactant is injected into an InP/ZnS dispersion solution, and the surface of an InP/ZnS quantum dot is covered with the hole-transporting surfactant to prepare an InP/ZnS dispersion solution with a hole-transporting surfactant. The InP/ZnS dispersion solution with a hole-transporting surfactant is then applied to a substrate using a spin coating process of the like to form a quantum dot layer with a hole-transporting surfactant having one or more layers. Then, a dispersion solution (replacement solution) containing an electron-transporting surfactant is prepared. The substrate having the quantum dot layer with a hole-transporting surfactant is immersed in the replacement solution for a predetermined time, and part of the hole-transporting surfactant is replaced with the electron-transporting surfactant to form a quantum dot layer having one or more layer.Type: GrantFiled: March 26, 2012Date of Patent: October 27, 2020Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Koji Murayama
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Patent number: 9722198Abstract: A light-emitting device having a first light-emitting layer with a first quantum dot having a first core part and a first shell part. The first shell part has a surface coated with a surfactant, and the first shell part has a thickness of 3 to 5 ML based on the constituent molecule of the first shell part. The light-emitting device also can have second light-emitting layer with a second quantum dot having a second core part and a second shell part. The second shell part has a surface coated with two types of hole-transporting and electron-transporting surfactants, and the second shell part has a thickness of less than 3 ML based on the constituent molecule of the second shell part.Type: GrantFiled: April 15, 2016Date of Patent: August 1, 2017Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Koji Murayama, Haruya Miyata
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Patent number: 9608213Abstract: A method for manufacturing a functional material including a porous metal complex with nanoparticles included therein, the method including a configuration of adding more than one particle constituent raw material constituting the nanoparticles and a porous metal complex to a solvent, and then synthesizing nanoparticles included in the porous metal complex by heating to a desired temperature. In addition, provided is an electronic component including an electronic component element using a functional material including a porous metal complex with nanoparticles included therein.Type: GrantFiled: June 27, 2014Date of Patent: March 28, 2017Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Takuo Wakaoka, Koji Murayama, Hiroshi Takagi, Haruya Miyata, Yoshihiko Takano, Yasuaki Kainuma
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Patent number: 9595625Abstract: Quantum dots (nanoparticle material) each having a core-shell structure including a core part and a shell part that protects the core part. The shell part of the quantum dot has a thickness T of 3 to 5 ML based on the constituent molecule of the shell part. A light-emitting device includes the quantum dots.Type: GrantFiled: April 12, 2016Date of Patent: March 14, 2017Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Koji Murayama, Haruya Miyata
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Patent number: 9496434Abstract: A solar cell that includes a negative electrode made of Al—Nd or the like formed on a substrate, an electron transport layer made of n-type Si or the like, a quantum dot arrangement layer made of graphene or the like, a quantum dot layer, a positive hole transport layer made of p-type Si or the like, and a positive electrode made of ITO or the like are sequentially formed on a surface of the negative electrode. Output electrodes are formed on the positive electrode so that at least a part of the surface of the positive electrode is exposed. The quantum dot layer is constructed such that quantum dots of Si cluster particles are three-dimensionally periodically arranged. The Si cluster particles have an average particle size of 3 nm or less, and the interparticle distance between the Si cluster particles is 1 nm or less.Type: GrantFiled: February 24, 2014Date of Patent: November 15, 2016Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Koji Murayama, Masanobu Nomura, Yasushi Iwata, Kanako Tomita
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Publication number: 20160240730Abstract: A light-emitting device that includes an anode, a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, and a cathode on a transparent substrate. The light-emitting layer has a plurality of quantum dots dispersed therein, and a hole-transporting material is dispersed in gaps between the quantum dots. To for manufacturing the light-emitting device, a quantum dot dispersing solution having the quantum dots dispersed therein, and a hole-transporting solution containing a soluble hole-transporting material that is soluble in the quantum dot dispersing solution and has a hole transport property are prepared. The hole-transporting solution is applied onto the hole injection layer to form a hole-transporting coating film, and the quantum dot dispersing solution is then applied onto the hole-transporting coating film to dissolve the soluble hole-transporting material in the quantum dot dispersing solution.Type: ApplicationFiled: April 28, 2016Publication date: August 18, 2016Inventors: KOJI MURAYAMA, HARUYA MIYATA
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Publication number: 20160233449Abstract: A light-emitting device having a first light-emitting layer with a first quantum dot having a first core part and a first shell part. The first shell part has a surface coated with a surfactant, and the first shell part has a thickness of 3 to 5 ML based on the constituent molecule of the first shell part. The light-emitting device also can have second light-emitting layer with a second quantum dot having a second core part and a second shell part. The second shell part has a surface coated with two types of hole-transporting and electron-transporting surfactants, and the second shell part has a thickness of less than 3 ML based on the constituent molecule of the second shell part.Type: ApplicationFiled: April 15, 2016Publication date: August 11, 2016Inventors: Koji Murayama, Haruya Miyata
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Publication number: 20160225947Abstract: Quantum dots (nanoparticle material) each having a core-shell structure including a core part and a shell part that protects the core part. The shell part of the quantum dot has a thickness T of 3 to 5 ML based on the constituent molecule of the shell part. A light-emitting device includes the quantum dots.Type: ApplicationFiled: April 12, 2016Publication date: August 4, 2016Inventors: Koji Murayama, Haruya Miyata
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Patent number: 8931850Abstract: A seat back frame includes a main frame that forms a frame of a seat back of a main seat, and an auxiliary frame that forms a frame of a seat back of an auxiliary seat adjacent to the main seat in a width direction, and that is integrally formed with the main frame. The main frame has a first open portion that opens toward a side with the auxiliary seat in the width direction. An end portion of the auxiliary frame is a fitting structure that fits together with the first open portion, and a portion of the fitting structure is welded.Type: GrantFiled: October 12, 2012Date of Patent: January 13, 2015Assignees: Toyota Boshoku Kabushiki Kaisha, NHK Spring Co., LtdInventors: Atsutaka Mitsuhashi, Ryoshu Nakane, Koji Murayama
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Patent number: 8905485Abstract: A seat back frame includes a main frame that forms a frame of a seat back of a main seat, and an auxiliary frame that forms a frame of a seat back of an auxiliary seat adjacent to the main seat in a width direction, and that is integrally formed with the main frame. The main frame has a first open portion that opens toward a side with the auxiliary seat in the width direction. An end portion of the auxiliary frame is a fitting structure that fits together with the first open portion, and a portion of the fitting structure is welded.Type: GrantFiled: October 12, 2012Date of Patent: December 9, 2014Assignees: Toyota Boshoku Kabushiki Kaisha, NHK Spring Co., LtdInventors: Atsutaka Mitsuhashi, Ryoshu Nakane, Koji Murayama
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Publication number: 20140306183Abstract: A method for manufacturing a functional material including a porous metal complex with nanoparticles included therein, the method including a configuration of adding more than one particle constituent raw material constituting the nanoparticles and a porous metal complex to a solvent, and then synthesizing nanoparticles included in the porous metal complex by heating to a desired temperature. In addition, provided is an electronic component including an electronic component element using a functional material including a porous metal complex with nanoparticles included therein.Type: ApplicationFiled: June 27, 2014Publication date: October 16, 2014Inventors: Takuo Wakaoka, Koji Murayama, Hiroshi Takagi, Haruya Miyata, Yoshihiko Takano, Yasuaki Kainuma
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Publication number: 20140166090Abstract: A solar cell that includes a negative electrode made of Al—Nd or the like formed on a substrate, an electron transport layer made of n-type Si or the like, a quantum dot arrangement layer made of graphene or the like, a quantum dot layer, a positive hole transport layer made of p-type Si or the like, and a positive electrode made of ITO or the like are sequentially formed on a surface of the negative electrode. Output electrodes are formed on the positive electrode so that at least a part of the surface of the positive electrode is exposed. The quantum dot layer is constructed such that quantum dots of Si cluster particles are three-dimensionally periodically arranged. The Si cluster particles have an average particle size of 3 nm or less, and the interparticle distance between the Si cluster particles is 1 nm or less.Type: ApplicationFiled: February 24, 2014Publication date: June 19, 2014Applicant: MURATA MANUFACTURING CO., LTD.Inventors: Koji Murayama, Masanobu Nomura, Yasushi Iwata, Kanako Tomita
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Patent number: 8742399Abstract: A quantum dot, which is an ultrafine grain, has a core-shell structure having a core portion and a shell portion protecting the core portion. The surface of the shell portion is covered with two kinds of surfactants, a hole-transporting surfactant and an electron-transporting surfactant, which are concurrently present. Moreover, the hole-transporting surfactant has a HOMO level which tunneling-resonates with the valence band of the quantum dot and the electron-transporting surfactant has a LUMO level which tunneling-resonates with the transfer band of the quantum dot. Thus, a nanograin material which has good carrier transport efficiency and is suitable for use in a photoelectric conversion device is achieved.Type: GrantFiled: March 26, 2012Date of Patent: June 3, 2014Assignee: Murata Manufacturing Co., Ltd.Inventor: Koji Murayama
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Patent number: 8679880Abstract: An electron transporting surfactant is added to a raw material solution such that the electron transporting surfactant is coordinated on the surfaces of quantum dots, and after the dispersion solvent is evaporated by vacuum drying, the immersion in a solvent containing a hole transporting surfactant prepares a quantum dot dispersed solution with a portion of the electron transporting surfactant replaced with the hole transporting surfactant. The quantum dot dispersed solution is applied onto a substrate to prepare a hole transport layer and a quantum dot layer at the same time, and thereby to achieve a thin film which has a two-layer structure.Type: GrantFiled: June 15, 2012Date of Patent: March 25, 2014Assignee: Murata Manufaaturing Co., Ltd.Inventor: Koji Murayama
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Publication number: 20120248410Abstract: An electron transporting surfactant is added to a raw material solution such that the electron transporting surfactant is coordinated on the surfaces of quantum dots, and after the dispersion solvent is evaporated by vacuum drying, the immersion in a solvent containing a hole transporting surfactant prepares a quantum dot dispersed solution with a portion of the electron transporting surfactant replaced with the hole transporting surfactant. The quantum dot dispersed solution is applied onto a substrate to prepare a hole transport layer and a quantum dot layer at the same time, and thereby to achieve a thin film which has a two-layer structure.Type: ApplicationFiled: June 15, 2012Publication date: October 4, 2012Applicant: Murata Manufacturing Co., Ltd.Inventor: Koji Murayama
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Publication number: 20120174969Abstract: A method of producing a nanograin material wherein a hole-transporting surfactant is injected into an InP/ZnS dispersion solution, and the surface of an InP/ZnS quantum dot is covered with the hole-transporting surfactant to prepare an InP/ZnS dispersion solution with a hole-transporting surfactant. The InP/ZnS dispersion solution with a hole-transporting surfactant is then applied to a substrate using a spin coating process of the like to form a quantum dot layer with a hole-transporting surfactant having one or more layers. Then, a dispersion solution (replacement solution) containing an electron-transporting surfactant is prepared. The substrate having the quantum dot layer with a hole-transporting surfactant is immersed in the replacement solution for a predetermined time, and part of the hole-transporting surfactant is replaced with the electron-transporting surfactant to form a quantum dot layer having one or more layer.Type: ApplicationFiled: March 26, 2012Publication date: July 12, 2012Applicant: Murata Manufacturing Co., Ltd.Inventor: Koji Murayama