Patents by Inventor Yumiko Yoshikawa
Yumiko Yoshikawa 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: 20250093806Abstract: An image forming system including: a hardware processor, wherein the hardware processor is configured to perform, a first control parameter determination operation that determines a value of a control parameter for sheet processing; a second control parameter determination operation that determines the value of the control parameter for the sheet processing by a method different from the first control parameter determination operation; and a selection operation configured to be capable of setting which of the first control parameter determination operation and the second control parameter determination operation is used to determine the value of at least one of a plurality of control parameters.Type: ApplicationFiled: September 12, 2024Publication date: March 20, 2025Inventors: Yumiko IZUMIYA, Hiroyuki MARUYAMA, Hitoshi ASANO, Hiroyuki YOSHIKAWA, Akimasa ISHIKAWA, Yasuo KOYANAGI
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Patent number: 12139449Abstract: An alcohol production method in which an alcohol is produced from a carbonyl compound, the method including producing an alcohol by using a catalyst, the catalyst including a metal component including rhenium having an average valence of 4 or less and a carrier supporting the metal component, the carrier including zirconium oxide. A catalyst for producing an alcohol by hydrogenation of a carbonyl compound, the catalyst including a carrier including zirconium oxide and a metal component supported on the carrier, the metal component including rhenium having an average valence of 4 or less.Type: GrantFiled: January 21, 2021Date of Patent: November 12, 2024Assignee: Mitsubishi Chemical CorporationInventors: Takeshi Matsuo, Yumiko Yoshikawa, Naoyuki Sakamoto, Takayuki Aoshima
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Patent number: 11352309Abstract: Provided is a catalyst including a metal component including a first component that is rhenium and one or more second components selected from the group consisting of silicon, gallium, germanium, and indium and a carrier on which the metal component is supported, the carrier including an oxide of a metal belonging to Group 4 of the periodic table. Also provided is an alcohol production method in which a carbonyl compound is treated using the above catalyst. It is possible to produce an alcohol by a hydrogenation reaction of a carbonyl compound with high selectivity and high efficiency while reducing side reactions.Type: GrantFiled: April 22, 2021Date of Patent: June 7, 2022Assignee: Mitsubishi Chemical CorporationInventors: Takeshi Matsuo, Yumiko Yoshikawa, Takayuki Aoshima
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Publication number: 20210253505Abstract: Provided is a catalyst including a metal component including a first component that, is rhenium and one or more second components selected from the group consisting of silicon, gallium, germanium, and indium and a carrier on which the metal component is supported, the carrier including an oxide of a metal belonging to Group 4 of the periodic table. Also provided is an alcohol production method in which a carbonyl compound is treated using the above catalyst, it is possible to produce an alcohol by a hydrogenation reaction of a carbonyl compound with high selectivity and high efficiency while reducing 3ide reactions.Type: ApplicationFiled: April 22, 2021Publication date: August 19, 2021Applicant: Mitsubishi Chemical CorporationInventors: Takeshi MATSUO, Yumiko YOSHIKAWA, Takayuki AOSHIMA
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Publication number: 20210238113Abstract: Provided is a catalyst including a metal component including a first component that is rhenium and one or more second components selected from the group consisting of silicon, gallium, germanium, and indium and a carrier on which the metal component is supported, the carrier including an oxide of a metal belonging to Group 4 of the periodic table. Also provided is an alcohol production method in which a carbonyl compound is treated using the above catalyst. It is possible to produce an alcohol by a hydrogenation reaction of a carbonyl compound with high selectivity and high efficiency while reducing side reactions.Type: ApplicationFiled: April 22, 2021Publication date: August 5, 2021Applicant: Mitsubishi Chemical CorporationInventors: Takeshi MATSUO, Yumiko YOSHIKAWA, Takayuki AOSHIMA
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Patent number: 11014862Abstract: Provided is a catalyst including a metal component including a first component that is rhenium and one or more second components selected from the group consisting of silicon, gallium, germanium, and indium and a carrier on which the metal component is supported, the carrier including an oxide of a metal belonging to Group 4 of the periodic table. Also provided is an alcohol production method in which a carbonyl compound is treated using the above catalyst. It is possible to produce an alcohol by a hydrogenation reaction of a carbonyl compound with high selectivity and high efficiency while reducing side reactions.Type: GrantFiled: September 6, 2019Date of Patent: May 25, 2021Assignee: Mitsubishi Chemical CorporationInventors: Takeshi Matsuo, Yumiko Yoshikawa, Takayuki Aoshima
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Publication number: 20210139398Abstract: An alcohol production method in which an alcohol is produced from a carbonyl compound, the method including producing an alcohol by using a catalyst, the catalyst including a metal component including rhenium having an average valence of 4 or less and a carrier supporting the metal component, the carrier including zirconium oxide. A catalyst for producing an alcohol by hydrogenation of a carbonyl compound, the catalyst including a carrier including zirconium oxide and a metal component supported on the carrier, the metal component including rhenium having an average valence of 4 or less.Type: ApplicationFiled: January 21, 2021Publication date: May 13, 2021Applicant: Mitsubishi Chemical CorporationInventors: Takeshi MATSUO, Yumiko YOSHIKAWA, Naoyuki SAKAMOTO, Takayuki AOSHIMA
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Publication number: 20200001276Abstract: Provided is a catalyst including a metal component including a first component that is rhenium and one or more second components selected from the group consisting of silicon, gallium, germanium, and indium and a carrier on which the metal component is supported, the carrier including an oxide of a metal belonging to Group 4 of the periodic table. Also provided is an alcohol production method in which a carbonyl compound is treated using the above catalyst. It is possible to produce an alcohol by a hydrogenation reaction of a carbonyl compound with high selectivity and high efficiency while reducing side reactions.Type: ApplicationFiled: September 6, 2019Publication date: January 2, 2020Applicant: Mitsubishi Chemical CorporationInventors: Takeshi MATSUO, Yumiko Yoshikawa, Takayuki Aoshima
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Patent number: 9382169Abstract: A lower olefin producing catalyst which has high olefin production efficiency and maintains its activity for a long period of time when lower olefins are produced from an oxygen-containing compound, which is a solid catalyst used in producing lower olefins from an oxygen-containing compound, includes a solid-state catalyst component containing an MFI-type zeolite, in which, at a position where the shortest distance to the outer surface is maximum among all positions inside a structure of the solid catalyst, the thickness defined as a distance twice the shortest distance from the point to the outer surface is in a range of from 0.1 to 2.0 mm, and a method for producing lower olefins.Type: GrantFiled: December 21, 2011Date of Patent: July 5, 2016Assignees: JGC CORPORATION, MITSUBISHI CHEMICAL CORPORATIONInventors: Atsushi Okita, Kazunori Honda, Chizu Inaki, Jumpei Takahashi, Masashi Yamaguchi, Yumiko Yoshikawa, Shinji Iwade, Tohru Setoyama
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Patent number: 9305220Abstract: A spectrum measurement device that recognizes objects to be measured on the basis of spectral data of observed light that is detected by a spectrum sensor capable of measuring wavelength information and light intensity information. The spectrum measurement device comprises a lighting device capable of projecting light that includes a wavelength region with a high atmospheric absorption index and recognizes the distance from a vehicle to an object to be measured through a computation that uses spectral data of observed light that is obtained from the object to be measured whereupon light of at least the wavelength region with the high atmospheric absorption index is projected.Type: GrantFiled: April 8, 2011Date of Patent: April 5, 2016Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, NEC CORPORATIONInventors: Ryuji Funayama, Shinya Kawamata, Yumiko Yoshikawa, Tsutomu Ishi
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Patent number: 9234800Abstract: A spectrometer recognizes a measurement target on the basis of the spectral data set of observed light detected by a spectral sensor capable of measuring wavelength information and light intensity information. The spectrometer is provided with a spectral data processor. Spectral data sets are detected at two different positions by the spectral sensor, and the processor subtracts a first spectral data set from a second spectral data set, or divides the first spectral data set by the second spectral data set to calculate one phase correlation spectral data set, which is correlated to the spectral data sets at the two different positions. The processor simultaneously identifies the measurement target corresponding to the two different positions on the basis of the correlation spectral data set.Type: GrantFiled: April 8, 2011Date of Patent: January 12, 2016Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, NEC CORPORATIONInventors: Shinya Kawamata, Ryuji Funayama, Tsutomu Ishi, Yumiko Yoshikawa
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Patent number: 8854464Abstract: A visibility support apparatus includes a light receiving unit receiving reflected light from an object to generate a signal for an image for each of wavelength bands, a wavelength selecting unit to set, in the image for at least one wavelength band, a set of those of pixels with comparable signal intensities which define the largest occupied area to be a reference area and to compare, for each of identification target pixels not included in the reference area, a value of the pixel in the image for each wavelength band with a pixel value of the reference area to select at least two wavelength bands which are effective for detecting the object, and a display unit to group the identification target pixels based on a wavelength band combination selected for each identification target pixel and display an image in which the object is distinguishably shown based on the grouping.Type: GrantFiled: March 2, 2011Date of Patent: October 7, 2014Assignees: NEC Corporation, Toyota Jidosha Kabushiki KaishaInventors: Tsutomu Ishi, Yumiko Yoshikawa, Ryuji Funayama, Shinya Kawamata
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Patent number: 8759598Abstract: An object of the present invention is to provide a process of producing propylene by contacting ethylene with a catalyst, where propylene is produced with high selectivity. The present invention relates to a production process of propylene, comprising contacting ethylene with a catalyst, wherein the catalyst comprises a zeolite as an active ingredient and an acid content in the outer surface of the zeolite is 5 % or less based on an acid content of the entire zeolite.Type: GrantFiled: November 8, 2011Date of Patent: June 24, 2014Assignee: Mitsubishi Chemical CorporationInventors: Mikio Hayashi, Masashi Yamaguchi, Yumiko Yoshikawa, Takahiko Takewaki, Tohru Setoyama
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Patent number: 8647999Abstract: A method for manufacturing a catalyst, which comprises regenerating a catalyst comprising a CHA zeolite as an active ingredient and having an ethylene conversion lowered through reaction of producing propylene by bringing into contact with ethylene in a vapor phase, by bringing the catalyst into contact with a gas which does not comprise oxygen and comprises hydrogen having a hydrogen partial pressure of 0.01 MPa or more as an absolute pressure thereof.Type: GrantFiled: February 10, 2012Date of Patent: February 11, 2014Assignee: Mitsubishi Chemical CorporationInventors: Mikio Hayashi, Masahiro Hara, Masashi Yamaguchi, Yumiko Yoshikawa, Takahiko Takewaki, Tohru Setoyama, Naoyuki Sakamoto
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Patent number: 8422019Abstract: A light with a known spectrum is emitted from a light source toward a road surface, a first reflected light that is a reflected light of the known light reflected from the road surface is received by a first light receiver, and a reflectance spectrum of the light of the road surface is calculated from a spectrum of the first reflected light received by the first light receiver and the spectrum of the known light stored in the storage unit. A second reflected light that is reflected light of an environmental light reflected from the road surface is received by a second light receiver, and a spectrum of the environmental light is calculated from a spectrum of the second reflected light received by the second light receiver and the calculated reflectance spectrum of the light of the road surface.Type: GrantFiled: February 25, 2011Date of Patent: April 16, 2013Assignees: NEC Corporation, Toyota Jidosha Kabushiki KaishaInventors: Yumiko Yoshikawa, Tsutomu Ishi, Ryuji Funayama, Shinya Kawamata
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Publication number: 20130038857Abstract: A spectrum measurement device that recognizes objects to be measured on the basis of spectral data of observed light that is detected by a spectrum sensor capable of measuring wavelength information and light intensity information. The spectrum measurement device comprises a lighting device capable of projecting light that includes a wavelength region with a high atmospheric absorption index and recognizes the distance from a vehicle to an object to be measured through a computation that uses spectral data of observed light that is obtained from the object to be measured whereupon light of at least the wavelength region with the high atmospheric absorption index is projected.Type: ApplicationFiled: April 8, 2011Publication date: February 14, 2013Applicants: NEC CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryuji Funayama, Shinya Kawamata, Yumiko Yoshikawa, Tsutomu Ishi
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Publication number: 20130027702Abstract: A spectrometer recognizes a measurement target on the basis of the spectral data set of observed light detected by a spectral sensor capable of measuring wavelength information and light intensity information. The spectrometer is provided with a spectral data processor. Spectral data sets are detected at two different positions by the spectral sensor, and the processor subtracts a first spectral data set from a second spectral data set, or divides the first spectral data set by the second spectral data set to calculate one phase correlation spectral data set, which is correlated to the spectral data sets at the two different positions. The processor simultaneously identifies the measurement target corresponding to the two different positions on the basis of the correlation spectral data set.Type: ApplicationFiled: April 8, 2011Publication date: January 31, 2013Applicants: NEC CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shinya Kawamata, Ryuji Funayama, Tsutomu Ishi, Yumiko Yoshikawa
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Publication number: 20120203048Abstract: A method for manufacturing a catalyst, which comprises regenerating a catalyst comprising a zeolite as an active ingredient and having an ethylene conversion lowered through reaction of producing propylene by bringing into contact with ethylene in a vapor phase, by bringing the catalyst into contact with a gas which does not comprise oxygen and comprises hydrogen having a hydrogen partial pressure of 0.01 MPa or more as an absolute pressure thereof.Type: ApplicationFiled: February 10, 2012Publication date: August 9, 2012Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Mikio HAYASHI, Masahiro HARA, Masashi YAMAGUCHI, Yumiko YOSHIKAWA, Takahiko TAKEWAKI, Tohru SETOYAMA, Naoyuki SAKAMOTO
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Publication number: 20120130138Abstract: There are provided a catalyst for manufacturing propylene, which can keep stable activity for a prolonged period of time in manufacturing propylene by bringing an oxygen-containing compound into contact with the catalyst in the presence of an olefin having 4 or more carbon atoms, and a method for manufacturing propylene using this catalyst for manufacturing propylene.Type: ApplicationFiled: January 30, 2012Publication date: May 24, 2012Applicants: JGC CORPORATION, MITSUBISHI CHEMICAL CORPORATIONInventors: Masashi Yamaguchi, Yumiko Yoshikawa, Shinji Iwade, Tohru Setoyama, Atsushi Okita, Kazunori Honda, Chizu Inaki, Yusuke Kusanagi
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Publication number: 20120116143Abstract: A lower olefin producing catalyst which has high olefin production efficiency and maintains its activity for a long period of time when lower olefins are produced from an oxygen-containing compound, which is a solid catalyst used in producing lower olefins from an oxygen-containing compound, includes a solid-state catalyst component containing an MFI-type zeolite, in which, at a position where the shortest distance to the outer surface is maximum among all positions inside a structure of the solid catalyst, the thickness defined as a distance twice the shortest distance from the point to the outer surface is in a range of from 0.1 to 2.0 mm, and a method for producing lower olefins.Type: ApplicationFiled: December 21, 2011Publication date: May 10, 2012Applicants: MITSUBISHI CHEMICAL CORPORATION, JGC CORPORATIONInventors: Atsushi Okita, Kazunori Honda, Chizu Inaki, Jumpei Takahashi, Masashi Yamaguchi, Yumiko Yoshikawa, Shinji Iwade, Tohru Setoyama