Patents by Inventor Katsuyuki Masuda
Katsuyuki Masuda 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: 10328683Abstract: An adhesive agent comprising a condensation resin having a structural unit obtained by polycondensing a polymerizable monomer containing a monomer (A) having 2 or more carboxyl groups and a monomer (B) having 2 or more amino groups, and meeting at least one of the following (1) and (2), and the following (3): (1) at least one selected from the group consisting of the monomer (A), an anhydride of the monomer (A), and the monomer (B) is liquid at 25° C.; (2) the condensation resin has a polyoxyalkanediyl group; and (3) the condensation resin has a cyclohexane ring.Type: GrantFiled: April 12, 2012Date of Patent: June 25, 2019Assignee: HITACHI CHEMICAL COMPANY, LTD.Inventors: Katsuyuki Masuda, Masatoshi Yamaguchi, Eiichi Shinada, Takehiro Fukuyama, Yoshihiro Sakairi
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Patent number: 10322572Abstract: An adhesive agent comprising a condensation resin having a structural unit obtained by polycondensing a polymerizable monomer containing a monomer (A) having 2 or more carboxyl groups and a monomer (B) having 2 or more amino groups, and meeting at least one of the following (1) and (2): (1) at least one selected from the group consisting of the monomer (A), an anhydride of the monomer (A), and the monomer (B) is liquid at 25° C.; and (2) the condensation resin has a polyoxyalkanediyl group.Type: GrantFiled: April 12, 2012Date of Patent: June 18, 2019Assignee: HITACHI CHEMICAL COMPANY, LTD.Inventors: Katsuyuki Masuda, Takehiro Fukuyama, Eiichi Shinada, Masashi Okoshi, Kazunori Yamamoto, Masatoshi Yamaguchi, Yasushi Ooyama, Yuuki Yanagita, Mitsuo Katayose
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Patent number: 9980143Abstract: A communication system including: a terminal, and a base station configured to wirelessly couple to the terminal using a first frequency band, wherein a second frequency band is used for wirelessly coupling the base station to the terminal instead of the first frequency band only when a specified application program executed in the terminal communicates only with a specified network via the base station, the second frequency band being used for communication between the specified application program and the specified application program.Type: GrantFiled: April 26, 2016Date of Patent: May 22, 2018Assignee: FUJITSU LIMITEDInventors: Yuki Shinada, Noboru Hasegawa, Katsuyuki Masuda
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Patent number: 9883427Abstract: A wireless communication system includes a first base station device, and a first wireless terminal device, the first base station device acquires identification information of a plurality of base station devices including the first base station device, acquires communication load of each of the plurality of base station devices, transmits the communication load and the identification information of each of the plurality of base station devices to the first wireless terminal device, and changes a serving base station device of the first wireless terminal device to a second base station device and which the first base station device is notified of by the first wireless terminal device, and the first wireless terminal device notifies the first base station device of the identification information of the second base station device selected based on the communication load from the plurality of base station devices.Type: GrantFiled: October 21, 2015Date of Patent: January 30, 2018Assignee: FUJITSU LIMITEDInventors: Yuya Murakami, Kazunari Kobayashi, Katsuyuki Masuda
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Publication number: 20170374673Abstract: An RRH includes an extracting unit, an urgent information processing unit, an inserting unit, and a transmitting unit. The extracting unit extracts a resource block, from among resource blocks included in a signal received from a terminal device, that is previously allocated for transmission of urgent information. When the urgent information is included in the resource block extracted by the extracting unit, the urgent information processing unit creates report information including the urgent information that is included in the resource block extracted by the extracting unit. The inserting unit inserts the report information including the urgent information created by the urgent information processing unit into the resource block that is previously allocated for a report of the urgent information.Type: ApplicationFiled: May 19, 2017Publication date: December 28, 2017Applicant: FUJITSU LIMITEDInventors: Noboru Hasegawa, TAKESHI KUNUGI, Kazunari Kobayashi, Satoshi Ueda, YOSHIO MIURA, Katsuyuki Masuda, Yuya Murakami, Takeshi YONEKURA, YOSHIO TAMURA, Michiaki MORI, Koki TAKAHASHI
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Publication number: 20170303096Abstract: A communication method executed by a terminal device included in a plurality of terminal devices, the communication method comprising obtain first identification information used in a group including the plurality of terminal devices and state information, the first identification information being used for device identification in communication between a base station and each of the plurality of terminal devices, the state information indicating whether the first identification information is allocated to the terminal device or not, and when it is determined that the first identification information is not allocated to the terminal device based on the state information, requesting a usage right of the first identification information for the plurality of terminal devices in response to obtaining data to be transmitted to the base station, and transmitting the data to the base station using the first identification information after obtaining the usage right.Type: ApplicationFiled: April 5, 2017Publication date: October 19, 2017Applicant: FUJITSU LIMITEDInventors: Katsuyuki Masuda, Yuki Shinada, Yasuo Tezuka, Yutaka Hamada, Hiromitsu Kawai, Takahiro Kawaguchi, Hiroaki Maruyama
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Publication number: 20170273118Abstract: A base station device receives a signal for connection establishment between a terminal device and the base station device from the terminal device and performs a series of processes for the connection establishment. A reception unit receives the signal for the connection establishment transmitted from the terminal device. When predetermined information is stored in the signal for the connection establishment received by the reception unit, an emergency-information processing unit acquires the predetermined information. A transmission unit transmits a notification signal including the predetermined information acquired by the emergency-information processing unit to another terminal device other than the terminal device.Type: ApplicationFiled: February 15, 2017Publication date: September 21, 2017Applicant: FUJITSU LIMITEDInventors: Noboru Hasegawa, Kazunari Kobayashi, Satoshi Ueda, YOSHIO MIURA, Katsuyuki Masuda, Yuya Murakami, Takeshi YONEKURA, YOSHIO TAMURA, Michiaki MORI, Koki TAKAHASHI
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Publication number: 20160337860Abstract: A communication system including: a terminal, and a base station configured to wirelessly couple to the terminal using a first frequency band, wherein a second frequency band is used for wirelessly coupling the base station to the terminal instead of the first frequency band only when a specified application program executed in the terminal communicates only with a specified network via the base station, the second frequency band being used for communication between the specified application program and the specified application program.Type: ApplicationFiled: April 26, 2016Publication date: November 17, 2016Inventors: Yuki SHINADA, Noboru HASEGAWA, Katsuyuki MASUDA
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Patent number: 9457406Abstract: Disclosed are: a copper metal film which has good adhesion to a substrate, low volume resistivity, and good deep-part metal properties; and a method for producing a copper metal film, wherein the copper metal film can be produced by reducing a substrate to a deep part thereof without damaging the substrate. Specifically disclosed is a copper metal film obtained by treating a copper-based particle deposition layer containing both copper oxides and a metallic transition metal or alloy, or a transition metal complex containing a metal element, with gaseous formic acid and/or formaldehyde heated to 120° C. or higher. The copper oxide is preferably copper (I) oxide and/or copper (II) oxide. The transition metal, alloy or metal complex are preferably a metal selected from the group consisting of Cu, Pd, Pt, Ni, Ag, Au and Rh, an alloy containing the metal, or a complex containing the metal element, respectively.Type: GrantFiled: September 13, 2010Date of Patent: October 4, 2016Assignee: HITACHI CHEMICAL COMPANY, LTD.Inventors: Hideo Nakako, Kazunori Yamamoto, Yasushi Kumashiro, Shunya Yokosawa, Katsuyuki Masuda, Yoshinori Ejiri, Maki Inada, Kyoko Kuroda
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Patent number: 9446576Abstract: An adhesive agent comprising a condensation resin having a structural unit obtained by polycondensing a polymerizable monomer containing a monomer (A) having 2 or more carboxyl groups and a monomer (B) having 2 or more amino groups, and meeting at least one of the following (1) and (2), and the following (3): (1) at least one selected from the group consisting of the monomer (A), an anhydride of the monomer (A). and the monomer (B) is liquid at 25° C.; (2) the condensation resin has a polyoxyalkanediyl group; and (3) the monomer (A) contains an isophthalic acid.Type: GrantFiled: April 12, 2012Date of Patent: September 20, 2016Assignee: Hitachi Chemical Company, Ltd.Inventors: Katsuyuki Masuda, Masatoshi Yamaguchi, Eiichi Shinada, Takehiro Fukuyama, Yoshihiro Sakairi
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Patent number: 9386411Abstract: A radio access system includes a controlling apparatus that when the terminal apparatuses to which delivery data is to be delivered are concentrated in a particular area, groups the terminal apparatuses as a terminal apparatus group, selects a representative server terminal apparatus from the terminal apparatuses, creates data map information indicating a delivery rule for delivering the delivery data from the representative server terminal apparatus to another terminal apparatus, adds information for identification of the representative server terminal apparatus to the data map information, transmits the group information and the data map information to the terminal apparatuses, and instructs a delivery data server to deliver the delivery data to the representative server terminal apparatus; and a terminal apparatus that obtains the delivery data by communicating, in accordance with the received data map information, with the another terminal apparatus within the terminal apparatus group included in the receType: GrantFiled: January 6, 2015Date of Patent: July 5, 2016Assignee: FUJITSU LIMITEDInventors: Takahiro Kawaguchi, Yutaka Hamada, Hiromitsu Kawai, Katsuyuki Masuda, Yuki Shinada
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Publication number: 20160183138Abstract: A wireless communication system includes a first base station device, and a first wireless terminal device, the first base station device acquires identification information of a plurality of base station devices including the first base station device, acquires communication load of each of the plurality of base station devices, transmits the communication load and the identification information of each of the plurality of base station devices to the first wireless terminal device, and changes a serving base station device of the first wireless terminal device to a second base station device and which the first base station device is notified of by the first wireless terminal device, and the first wireless terminal device notifies the first base station device of the identification information of the second base station device selected based on the communication load from the plurality of base station devices.Type: ApplicationFiled: October 21, 2015Publication date: June 23, 2016Inventors: Yuya MURAKAMI, Kazunari KOBAYASHI, Katsuyuki MASUDA
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Publication number: 20150281934Abstract: A server control device stores, in a storage device, the correspondence relation between a terminal connected to a base station and an access point that can connect to the terminal instead of the base station, and executes a process for transmitting to the access point a terminal acceptance instruction including information used in determination of the possibility of connection to a terminal at the access point based on the correspondence relation according to sending of an emergency call.Type: ApplicationFiled: June 12, 2015Publication date: October 1, 2015Inventors: Takahiro Kawaguchi, Hiromitsu Kawai, Yuki Shinada, Katsuyuki Masuda, Yutaka Hamada
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Publication number: 20150237466Abstract: A radio access system includes a controlling apparatus that when the terminal apparatuses to which delivery data is to be delivered are concentrated in a particular area, groups the terminal apparatuses as a terminal apparatus group, selects a representative server terminal apparatus from the terminal apparatuses, creates data map information indicating a delivery rule for delivering the delivery data from the representative server terminal apparatus to another terminal apparatus, adds information for identification of the representative server terminal apparatus to the data map information, transmits the group information and the data map information to the terminal apparatuses, and instructs a delivery data server to deliver the delivery data to the representative server terminal apparatus; and a terminal apparatus that obtains the delivery data by communicating, in accordance with the received data map information, with the another terminal apparatus within the terminal apparatus group included in the receType: ApplicationFiled: January 6, 2015Publication date: August 20, 2015Inventors: Takahiro Kawaguchi, Yutaka Hamada, Hiromitsu Kawai, Katsuyuki Masuda, Yuki Shinada
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Patent number: 8956732Abstract: A polyamide-imide resin obtained by a process comprising the step of reacting an aromatic diisocyanate with a diimide dicarboxylic acid containing 40 mol % or more of a compound represented by the following general formula (1) and 20 mol % or more of a compound represented by the following general formula (2).Type: GrantFiled: August 20, 2007Date of Patent: February 17, 2015Assignee: Hitachi Chemical Company, Ltd.Inventors: Masaki Takeuchi, Katsuyuki Masuda, Kenichi Tomioka, Takako Ejiri
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Patent number: 8815334Abstract: The invention relates to an adhesion assisting agent-bearing metal foil comprising a layer of an adhesion assisting agent containing an epoxy resin as an indispensable component on a metal, wherein the adhesion assisting agent layer has a thickness of 0.1 to 10 ?m. The invention also relates to a printed wiring board being a multilayer wiring board having a plurality of layers, wherein an adhesion assisting agent layer is formed between insulating layers.Type: GrantFiled: February 9, 2009Date of Patent: August 26, 2014Assignee: Hitachi Chemical Co., Ltd.Inventors: Kenji Takai, Norio Moriike, Kenichi Kamiyama, Takako Watanabe, Shin Takanezawa, Koji Morita, Katsuyuki Masuda, Kiyoshi Hasegawa
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Patent number: 8801971Abstract: Provided are a copper conductor film and manufacturing method thereof, and patterned copper conductor wiring, which have superior conductivity and wiring pattern formation, and with which there is no decrease in insulation between circuits, even at narrow wiring widths and narrow inter-wiring spacing.Type: GrantFiled: December 17, 2008Date of Patent: August 12, 2014Assignee: Hitachi Chemical Company, Ltd.Inventors: Hideo Nakako, Kazunori Yamamoto, Yasushi Kumashiro, Youichi Machii, Shunya Yokozawa, Yoshinori Ejiri, Katsuyuki Masuda
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Publication number: 20140135043Abstract: A communication quality measuring apparatus includes a calculating unit, a specifying unit, and an associating unit. The calculating unit collects information that is used to calculate the communication quality of wireless communication from a base station that performs wireless communication with a mobile station and calculates the communication quality by using the information. The specifying unit collects location information from a measuring device that measures the location information related to the mobile station and specifies a mobile station area that is an area in which the mobile station is located by using the location information. The associating unit associates the communication quality calculated by the calculating unit with each of the mobile station areas specified by the specifying unit.Type: ApplicationFiled: August 20, 2013Publication date: May 15, 2014Applicant: FUJITSU LIMITEDInventors: Yuki SHINADA, Hiromitsu KAWAI, Takahiro KAWAGUCHI, Yutaka HAMADA, Katsuyuki MASUDA
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Patent number: 8696929Abstract: A polishing slurry including an oxidant, a metal oxide dissolver, a metal inhibitor and water and having a pH from 2 to 5. The polishing slurry having a high metal-polishing rate, reducing etching rate and polishing friction, results in the production, with high productivity, of semiconductor devices reduced in dishing and erosion in metal wiring.Type: GrantFiled: June 6, 2007Date of Patent: April 15, 2014Assignee: Hitachi Chemical Co., Ltd.Inventors: Yasushi Kurata, Katsuyuki Masuda, Hiroshi Ono, Yasuo Kamigata, Kazuhiro Enomoto
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Silicon-containing alicyclic polyimide resin, polyamic acid resin, and manufacturing method for same
Patent number: 8592546Abstract: A polyimide resin including repeating units represented by formula (1): wherein R is a diamine residue or a diisocyanate residue; m is an integer of 2 to 30; any of silicon atoms bonded to norbornane rings is in exo configuration with respect to the norbornane rings; and any of imide rings bonded to the norbornane rings is in exo configuration with respect to the norbornane rings, and a polyamic acid resin including repeating units represented by formula (2): wherein R is a diamine residue; m is an integer of 2 to 30; any of silicon atoms bonded to norbornane rings is in exo configuration with respect to the norbornane rings; and any of amide groups and carboxyl groups bonded to the norbornane rings is in exo configuration with respect to the norbornane rings. The polyimide resin is soluble in general-purpose solvents, has a good transparency and a high molecular weight, and is excellent in mechanical properties, such as tensile strength and elongation.Type: GrantFiled: April 13, 2011Date of Patent: November 26, 2013Assignee: Hitachi Chemical Company, Ltd.Inventors: Tooru Kikuchi, Toshihiko Takasaki, Katsuyuki Masuda