Patents by Inventor Naohiro Takeda
Naohiro Takeda 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: 11276509Abstract: The present invention addresses the problem of providing a structure which comprises metal plate microparticles and a lipophilic clay-based intercalation compound and which exhibits excellent stability. The problem is solved by a structure as described above wherein: the metal plate microparticles are platy microparticles alone or a mixture thereof with polyhedral microparticles (including spherical microparticles); the platy microparticles have a thickness of 1 to 50 nm, a length of principal plate of 10 to 5000 nm and an aspect ratio thereof of 3 or more; and the weight ratio of the lipophilic clay-based intercalation compound to the metal plate microparticles is 0.01 to 50.Type: GrantFiled: November 5, 2013Date of Patent: March 15, 2022Assignee: ITO RESEARCH INSTITUTE CO., LTDInventors: Kengo Ito, Naohiro Takeda
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Patent number: 10990535Abstract: A storage control apparatus includes a memory to store meta-information associating a position of a logical area with a position of a physical area, and a processor to, when a first data block including data, a check code corresponding to the data, and first information related to a position within the logical area is stored in the physical area, and a second data block including the data, the check code, and second information related to a position within the logical area is written in the logical area, obtain a first position at which the first data block is present in the physical area, based on meta-information of the first data block in the meta-information, associate the first position as a position of the physical area in meta-information of the second data block in the meta-information with the position to which the second data block is written in the logical area.Type: GrantFiled: April 17, 2018Date of Patent: April 27, 2021Assignee: FUJITSU LIMITEDInventors: Naohiro Takeda, Norihide Kubota, Yoshihito Konta, Toshio Kikuchi, Yusuke Kurasawa, Yuji Tanaka, Marino Kajiyama, Yusuke Suzuki, Yoshinari Shinozaki, Takeshi Watanabe
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Patent number: 10691550Abstract: A storage control apparatus includes a memory configured to store meta-information for associating addresses of a logical area and a physical area with each other, and a processor coupled to the memory and configured to read out first meta-information corresponding to a first logical area from the memory, specify a first address of the physical area corresponding to a copy source address of the data based on the first meta-information, read out second meta-information corresponding to a second logical area that is set as a copy destination of the data in the logical area from the memory, specify a second address of the physical area corresponding to a copy destination address of the data based on the second meta-information, and execute copy of the data by associating the first address and the second address with each other as storage areas of the data.Type: GrantFiled: April 18, 2018Date of Patent: June 23, 2020Assignee: FUJITSU LIMITEDInventors: Yoshinari Shinozaki, Takeshi Watanabe, Norihide Kubota, Yoshihito Konta, Toshio Kikuchi, Naohiro Takeda, Yusuke Kurasawa, Yuji Tanaka, Marino Kajiyama, Yusuke Suzuki
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Publication number: 20180307616Abstract: A storage control apparatus includes a memory to store meta-information associating a position of a logical area with a position of a physical area, and a processor to, when a first data block including data, a check code corresponding to the data, and first information related to a position within the logical area is stored in the physical area, and a second data block including the data, the check code, and second information related to a position within the logical area is written in the logical area, obtain a first position at which the first data block is present in the physical area, based on meta-information of the first data block in the meta-information, associate the first position as a position of the physical area in meta-information of the second data block in the meta-information with the position to which the second data block is written in the logical area.Type: ApplicationFiled: April 17, 2018Publication date: October 25, 2018Applicant: FUJITSU LIMITEDInventors: Naohiro Takeda, Norihide KUBOTA, YOSHIHITO KONTA, Toshio Kikuchi, Yusuke Kurasawa, Yuji TANAKA, Marino Kajiyama, Yusuke Suzuki, YOSHINARI SHINOZAKI, Takeshi WATANABE
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Publication number: 20180307615Abstract: A storage control apparatus configured to control a storage device including a storage medium having a limited number of writes, includes a memory, and a processor coupled to the memory and configured to store, in the memory, address conversion information associating logical addresses used for data identification by an information processing apparatus accessing to the storage device, and physical addresses indicating positions where the data is stored on the storage medium, write the data additionally and collectively to the storage medium, and when the data is updated, maintain storing a reference logical address associated with the data before updated and the data before updated on the storage medium.Type: ApplicationFiled: April 13, 2018Publication date: October 25, 2018Applicant: FUJITSU LIMITEDInventors: Naohiro Takeda, Norihide KUBOTA, YOSHIHITO KONTA, Yusuke Kurasawa, Toshio Kikuchi, Yuji TANAKA, Marino Kajiyama, Yusuke Suzuki, YOSHINARI SHINOZAKI, Takeshi WATANABE, Noriyuki Yasu
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Publication number: 20180307427Abstract: A storage control apparatus includes a memory, and a processor coupled to the memory and configured to execute a capacity expansion on a storage group including a plurality of storage devices, generate a plurality of first data storage regions in accordance with the number of storage devices within the storage group after the capacity expansion, and execute data rearrangement within the storage group after the capacity expansion for each of the plurality of first data storage regions.Type: ApplicationFiled: April 18, 2018Publication date: October 25, 2018Applicant: FUJITSU LIMITEDInventors: Takeshi WATANABE, YOSHINARI SHINOZAKI, Marino Kajiyama, Toshio Kikuchi, YOSHIHITO KONTA, Norihide KUBOTA, Yusuke Kurasawa, Yusuke Suzuki, Yuji TANAKA, Naohiro Takeda
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Publication number: 20180307565Abstract: A storage control apparatus includes a memory configured to store meta-information for associating addresses of a logical area and a physical area with each other, and a processor coupled to the memory and configured to read out first meta-information corresponding to a first logical area from the memory, specify a first address of the physical area corresponding to a copy source address of the data based on the first meta-information, read out second meta-information corresponding to a second logical area that is set as a copy destination of the data in the logical area from the memory, specify a second address of the physical area corresponding to a copy destination address of the data based on the second meta-information, and execute copy of the data by associating the first address and the second address with each other as storage areas of the data.Type: ApplicationFiled: April 18, 2018Publication date: October 25, 2018Applicant: FUJITSU LIMITEDInventors: Yoshinari Shinozaki, Takeshi Watanabe, Norihide Kubota, Yoshihito Konta, Toshio Kikuchi, Naohiro Takeda, Yusuke Kurasawa, Yuji Tanaka, Marino Kajiyama, Yusuke Suzuki
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Publication number: 20180307440Abstract: A storage control apparatus configured to control a storage device including a storage medium having a limit of a number of writes, includes a memory, and a processor coupled to the memory and configured to store, in the memory, address conversion information in which a logical address used to identify data by an information processing device using the storage device and a physical address indicating a memory location of the data in the storage medium are associated with each other, and execute a bulk writing of a piece of the address conversion information into the storage medium sequentially.Type: ApplicationFiled: April 10, 2018Publication date: October 25, 2018Applicant: FUJITSU LIMITEDInventors: Naohiro Takeda, Norihide KUBOTA, YOSHIHITO KONTA, Yusuke Kurasawa, Toshio Kikuchi, Yuji TANAKA, Marino Kajiyama, Yusuke Suzuki, YOSHINARI SHINOZAKI, Takeshi WATANABE
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Publication number: 20180307419Abstract: A storage control apparatus configured to control a storage device including a storage medium with a limited number of writes, includes a memory, and a processor coupled to the memory and configured to record, to the storage medium, address conversion information associating logical addresses by which an information processing apparatus that uses the storage device identifies data with physical addresses indicating positions where the data is stored on the storage medium, and execute garbage collection of the storage medium based on the recorded address conversion information.Type: ApplicationFiled: April 10, 2018Publication date: October 25, 2018Applicant: FUJITSU LIMITEDInventors: Naohiro Takeda, Yusuke Kurasawa, Norihide KUBOTA, YOSHIHITO KONTA, Toshio Kikuchi, Yuji TANAKA, Marino Kajiyama, Yusuke Suzuki, Takeshi WATANABE, YOSHINARI SHINOZAKI
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Publication number: 20170248465Abstract: The object of the present invention is to provide a novel light enhancement device manufactured easily. According to the present invention, there is provided a light enhancement device including a substrate provided with an adsorption layer formed on its surface and including a hydrophobic modified clay with organic compound; and tabular silver nanoparticles oriented and adsorbed on the adsorption layer. Furthermore, there is provided a manufacturing method of a light enhancement device including a step of forming an adsorption layer including a hydrophobic modified clay with organic compound on a surface of a substrate; and a step of immersing the substrate in an aqueous dispersion of tabular silver nanoparticles. Furthermore, there is provided a kit for spectroscopic analysis including a substrate provided with an adsorption layer including a hydrophobic modified clay with organic compound formed on its surface; and a container filled with an aqueous dispersion of tabular silver nanoparticles.Type: ApplicationFiled: February 16, 2017Publication date: August 31, 2017Applicants: NISHIMATSU CONSTRUCTION CO., LTD., ITO RESEARCH INSTITUTE CO., LTD.Inventors: Kengo ITO, Naohiro TAKEDA
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Publication number: 20170021426Abstract: A novel method for manufacturing tabular silver nanoparticles with high productivity and high reproducibility. The present invention provides a method for manufacturing silver nanoparticles including a first step of preparing a silver ion aqueous solution containing a crystal habit modifier as a starting solution, a second step of adding a reducing agent to the starting solution with stirring to yield an aqueous dispersion of fine silver crystals, and a third step of adding an oxidizing agent to the aqueous dispersion with stirring. The oxidizing agent is preferably added such that the solubility of metal silver in the aqueous dispersion is optimized at an appropriate time in the third step.Type: ApplicationFiled: January 23, 2014Publication date: January 26, 2017Applicants: NISHIMATSU CONSTRUCTION CO., LTD., ITO RESEARCH INSTITUTE CO., LTD.Inventors: Kengo ITO, Naohiro TAKEDA, Katsuya IWANAGA
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Publication number: 20170017020Abstract: The object of the present invention is to provide a novel functional light-transmissive material including tabular silver nanoparticles and the manufacturing of the same. According to the present invention, there is provided a functional light-transmissive material including: a transparent base material; an adsorption layer disposed on a surface of the transparent base material, wherein the adsorption layer contains a hydrophobic modified clay with organic compound; and tabular silver nanoparticles oriented and adsorbed on the adsorption layer. Furthermore, according to the present invention, there is provided a method for manufacturing a functional light-transmissive material, including: a step of forming an adsorption layer containing a hydrophobic modified clay with organic compound on a surface of a transparent base material; and a step of immersing the transparent base material provided with the adsorption layer in an aqueous dispersion of tabular silver nanoparticles.Type: ApplicationFiled: July 18, 2016Publication date: January 19, 2017Applicants: NISHIMATSU CONSTRUCTION CO., LTD., ITO RESEARCH INSTITUTE CO., LTD., KURAMOTO CO., LTD.Inventors: Kengo ITO, Naohiro TAKEDA
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Publication number: 20150310958Abstract: The present invention addresses the problem of providing a structure which comprises metal plate microparticles and a lipophilic clay-based intercalation compound and which exhibits excellent stability. The problem is solved by a structure as described above wherein: the metal plate microparticles are platy microparticles alone or a mixture thereof with polyhedral microparticles (including spherical microparticles); the platy microparticles have a thickness of 1 to 50 nm, a length of principal plate of 10 to 5000 nm and an aspect ratio thereof of 3 or more; and the weight ratio of the lipophilic clay-based intercalation compound to the metal plate microparticles is 0.01 to 50.Type: ApplicationFiled: November 5, 2013Publication date: October 29, 2015Applicant: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Kengo ITO, Naohiro TAKEDA
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Patent number: 8671359Abstract: A scroll display control device is provided, which is capable of scroll-displaying a text corresponding to a picture in such manner that the text can be easily understood. The scroll display control device scroll-displays, in synchronism with reproduction of the picture correlated to text information (TI), the corresponding text information (TI) on a text display screen (TW). A scroll speed calculation unit (102) dynamically calculates a text scroll speed (v) on the basis of a time length of a picture section presently under reproduction, a text quantity of the corresponding text section and text display setting information. A picture text control unit (104) scroll-displays text of the text section at a predetermined reference position of the text display screen (TW) according to the scroll speed (v). By displaying preceding and succeeding texts with respect to the text corresponding to the picture section presently under reproduction, it is possible to read back and pre-read.Type: GrantFiled: March 5, 2004Date of Patent: March 11, 2014Assignee: NEC CorporationInventors: Hirokazu Koizumi, Naohiro Takeda, Makoto Iwata, Ryoma Oami
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Patent number: 8234472Abstract: A storage system, a storage managing device, and a storage managing method are provided.Type: GrantFiled: December 4, 2009Date of Patent: July 31, 2012Assignee: Fujitsu LimitedInventors: Hiroaki Ochi, Tomoaki Tsuruta, Naohiro Takeda, Tsukasa Makino, Marie Abe
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Patent number: 8195847Abstract: A storage control apparatus for transmitting data to and receiving data from a plurality of storage devices connected to the same interface, the storage control apparatus includes a memory configured to store a management table registering a burst transfer length of each of the plurality of storage devices, the plurality of storage devices including a first storage device having a first burst transfer length that is a minimum in the management table and a second device having a second burst transfer length; an adjusting controller configured to adjust the second burst transfer length in input and/or output processing if the second burst transfer length registered in the management table is different from the first burst transfer length; and a data transfer controller configured to issue a command for a data transfer to the second storage device on the basis of the adjusted second burst transfer length.Type: GrantFiled: March 16, 2011Date of Patent: June 5, 2012Assignee: Fujitsu LimitedInventors: Yuichi Ogawa, Tsukasa Makino, Tomoaki Tsuruta, Hiroaki Ochi, Marie Abe, Naohiro Takeda
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Publication number: 20110246687Abstract: A storage control apparatus for transmitting data to and receiving data from a plurality of storage devices connected to the same interface, the storage control apparatus includes a memory configured to store a management table registering a burst transfer length of each of the plurality of storage devices, the plurality of storage devices including a first storage device having a first burst transfer length that is a minimum in the management table and a second device having a second burst transfer length; an adjusting controller configured to adjust the second burst transfer length in input and/or output processing if the second burst transfer length registered in the management table is different from the first burst transfer length; and a data transfer controller configured to issue a command for a data transfer to the second storage device on the basis of the adjusted second burst transfer length.Type: ApplicationFiled: March 16, 2011Publication date: October 6, 2011Applicant: FUJITSU LIMITEDInventors: Yuichi Ogawa, Tsukasa Makino, Tomoaki Tsuruta, Hiroaki Ochi, Marie Abe, Naohiro Takeda
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Publication number: 20110015913Abstract: Provided is a simulation method, whereby the calibration operation load can be reduced while minimizing a lowering in prediction accuracy, and a simulation apparatus. It is also intended to provide a biological treatment method, whereby the required operation load can be reduced, and a biological treatment apparatus. These problems can be solved by employing as parameters the maximum reaction speed in the reaction of decomposing a material to be treated with a bacterium and the amount of the above-described material to be treated that is loaded per bacterial cell in a unit time during the biological treatment process or the amount of the above-described material that has been treated per bacterial cell in a unit time in a state where these parameters are in a definite functional relation.Type: ApplicationFiled: June 19, 2008Publication date: January 20, 2011Applicant: KOBELCO ECO-SOLUTIONS CO., LTD.Inventors: Tetsuo Yamashita, Naohiro Takeda, Mie Minakawa, Jun Takezaki, Masafumi Fujita, Koji Tsuji, Akira Akashi
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Publication number: 20100287751Abstract: Disclosed is a method for more easily producing a functional composite material internally containing a piezoelectric fiber. Specifically disclosed is a method for producing a functional composite material, wherein a hollow fiber is arranged in a groove of a first metal substrate having a groove, and then a second metal substrate and the first metal substrate are pressed together.Type: ApplicationFiled: October 31, 2007Publication date: November 18, 2010Applicant: NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITYInventors: Hiroshi Asanuma, Naohiro Takeda, Takamitsu Chiba
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Publication number: 20100153668Abstract: A storage system, a storage managing device, and a storage managing method are provided.Type: ApplicationFiled: December 4, 2009Publication date: June 17, 2010Applicant: Fujitsu LimitedInventors: Hiroaki OCHI, Tomoaki Tsuruta, Naohiro Takeda, Tsukasa Makino, Marie Abe