Patents by Inventor Takeshi Ihara
Takeshi Ihara 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: 8916700Abstract: The present invention relates to a process for selectively producing a cellulose ether derivative with a very high reaction efficiency of an organohalide compound. There is provided a process for producing a cellulose ether derivative such as carboxymethyl cellulose and hydroxyethyl cellulose in which a low-crystalline powdery cellulose having a crystallinity of 50% or less is reacted with an organohalide compound such as ethylene chlorohydrin, a monohaloacetic acid and a salt of the monohaloacetic acid in the presence of a base.Type: GrantFiled: November 11, 2008Date of Patent: December 23, 2014Assignee: Kao CorporationInventors: Munehisa Okutsu, Takeshi Ihara
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Patent number: 8658630Abstract: The invention provides a means capable of effectively inactivating and removing allergen or a precursor thereof. The invention relates to an allergen-reducing agent containing water and a water-soluble polymer compound having units having hydroxy or carboxy groups wherein at least a part of hydrogen atoms of the hydroxy or carboxy groups are substituted by specific groups containing a polyether group.Type: GrantFiled: January 29, 2010Date of Patent: February 25, 2014Assignee: Kao CorporationInventors: Satoshi Nagai, Katsuyuki Takano, Masahiro Suzuki, Takeshi Ban, Michio Yokosuka, Takeshi Ihara, Tohru Nishioka
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Patent number: 7899458Abstract: A system for controlling handover is disclosed that includes a mobile terminal that enables communications with multiple wireless systems having wireless access stations, and a handover-controlling apparatus that executes control of handover for the mobile terminal, which travels among multiple types of wireless systems. The mobile terminal includes a destination wireless system determining unit that receives downlink signals from the corresponding wireless access stations so as to determine which wireless system accommodates a destination wireless access station based on reception quality of downlink signals. The mobile terminal also includes a destination wireless system reporting unit that sends information indicating the determined wireless system to the handover-controlling apparatus.Type: GrantFiled: May 29, 2007Date of Patent: March 1, 2011Assignee: NTT DoCoMo, Inc.Inventors: Jun Kakishima, Takeshi Ihara, Shoichi Hirata
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Patent number: 7899824Abstract: A cluster extractor extracts a plurality of clusters based on communication records between communication terminals. A clustering coefficient calculator, an average path length calculator, and a degree distribution calculator calculate a clustering coefficient, an average path length in an advertisement distribution target cluster, and a degree distribution, respectively, based on communication records between communication terminals belonging to an advertisement distribution target cluster. An advertising strategy determiner determines an advertising strategy, based on the clustering coefficient and the average path length, and a distribution target determiner determines a distribution target terminal, based on the degree distribution and the advertising strategy.Type: GrantFiled: November 16, 2006Date of Patent: March 1, 2011Assignee: NTT DoCoMo, Inc.Inventors: Yoshikazu Akinaga, Jun Sasaki, Takeshi Ihara, Akira Miura
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Publication number: 20100311964Abstract: The present invention relates to a process for selectively producing a cellulose ether derivative with a very high reaction efficiency of an organohalide compound. There is provided a process for producing a cellulose ether derivative such as carboxymethyl cellulose and hydroxyethyl cellulose in which a low-crystalline powdery cellulose having a crystallinity of 50% or less is reacted with an organohalide compound such as ethylene chlorohydrin, a monohaloacetic acid and a salt of the monohaloacetic acid in the presence of a base.Type: ApplicationFiled: November 11, 2008Publication date: December 9, 2010Applicant: KAO CorporationInventors: Munehisa Okutsu, Takeshi Ihara
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Patent number: 7826461Abstract: The packet switching system for transmitting and receiving a packet via a packet switching network 100, which comprises a plurality of routing tables (#0, #1, #2 . . . ), each of which has been generated by a unique routing policy, stored in the routing apparatuses deployed at the border, at the origin or at the end of the respective routing domains, an identifier (RTI) inserted in the packet to specify the routing tables, and an identifier changer to change a value of the identifier on the packet switching network 100. The routing apparatus selects one of the routing tables (#0, #1, #2 . . . ) according to the RTI in the received packet and transfers the packet to a destination that is specified by the selected routing table.Type: GrantFiled: September 10, 2007Date of Patent: November 2, 2010Assignee: NTT DoCoMo, Inc.Inventors: Takatoshi Okagawa, Yasuhisa Hayashi, Manhee Jo, Takeshi Ihara
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Publication number: 20100274001Abstract: The present invention relates to a process for producing a cellulose ether derivative in an industrially convenient and efficient manner by reacting a low-crystalline powdery cellulose with an epoxy compound in the presence of a catalyst.Type: ApplicationFiled: October 21, 2008Publication date: October 28, 2010Applicant: Kao CorporationInventors: Munehisa Okutsu, Masanori Takai, Toru Nishioka, Takeshi Ihara, Naoki Nojiri, Masahiro Umehara, Kohei Nakanishi
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Patent number: 7818363Abstract: A communications system which allows data transfer not using a terminal ID assigned by an access network but using routing information distinct from the terminal ID is provided. The communications system transmits data including, as a destination address, a second terminal ID, from a first terminal to the second terminal via a plurality of transfer devices. A first transfer device includes a first memory for storing the second terminal ID and routing information for routing the data to a second transfer device, associating them with one another, and a routing processor for adding to the data the routing information for routing the data to the second transfer device associated with the second terminal ID included in the data, and transferring the data to the second transfer device.Type: GrantFiled: September 5, 2007Date of Patent: October 19, 2010Assignee: NTT DoCoMo, Inc.Inventors: Yasuhisa Hayashi, Takeshi Ihara, Masami Yabusaki, Manhee Jo
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Publication number: 20100126525Abstract: The invention provides a means capable of effectively inactivating and removing allergen or a precursor thereof. The invention relates to an allergen-reducing agent containing water and a water-soluble polymer compound having units having hydroxy or carboxy groups wherein at least a part of hydrogen atoms of the hydroxy or carboxy groups are substituted by specific groups containing a polyether group.Type: ApplicationFiled: January 29, 2010Publication date: May 27, 2010Applicant: Kao CorporationInventors: Satoshi NAGAI, Katsuyuki Takano, Masahiro Suzuki, Takeshi Ban, Michio Yokosuka, Takeshi Ihara, Tohru Nishioka
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Patent number: 7613143Abstract: A network control system, which controls connections between a mobile terminal and multiple types of wireless systems accommodated in a network, includes a prescribed node provided on the network. The node comprises signal transmitting/receiving means that transmits and receives a control signal defined by each of the wireless systems, protocol converting means that converts the control signal to a common protocol independent of each of the wireless systems, and entity communication controlling means that communicates with multiple functional entities provided on the network, using the common protocol, to implement network control.Type: GrantFiled: February 17, 2004Date of Patent: November 3, 2009Assignee: NTT DoCoMo, Inc.Inventors: Jun Kakishima, Masahiro Sawada, Takeshi Ihara, Shoichi Hirata
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Publication number: 20090182060Abstract: The present invention relates to a W/O/W emulsion composition that is excellent in emulsification stability, and exhibits a good spreadability over skins and imparts a good wet feel upon use without stickiness and oiliness; a detergent composition containing a W/O/W emulsion which is excellent in touch feel after washing without deterioration in washing performance; and processes for producing these compositions. According to the present invention, there are provided a W/O/W emulsion composition including a polysaccharide derivative containing in a side chain thereof, a group represented by the formula (1): —(OX)n-E1-R??(1); a detergent composition containing the W/O/W emulsion; and process for producing these composition.Type: ApplicationFiled: April 9, 2007Publication date: July 16, 2009Applicant: Kao CorporationInventors: Toru Nishioka, Takeshi Ihara
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Patent number: 7517534Abstract: A process for the preparation of an o/w emulsion, which comprises mixing together a high molecular compound carrying at least on side chains thereof groups represented by the following formula (1): —(OX)n-E2-R??(1) wherein n “X”s may be the same or different and each independently represents a linear or branched, divalent, saturated C1-6 hydrocarbon group, n stands for a number of from 5 to 300, E2 represents an ether bond or an oxycarbonyl group (—OCO— or —COO—), and R represents a linear or branched, C4-30 alkyl group which may be substituted by hydroxyl group(s), an aqueous solution of a water-soluble polyol, and a hydrophobic compound, and diluting a resulting mixture with water, and the o/w emulsion obtained by the preparation process. The emulsion according to the present invention is excellent in touch feeling to the skin and is good in stability.Type: GrantFiled: March 12, 2002Date of Patent: April 14, 2009Assignee: Kao CorporationInventors: Takahiro Nishizaka, Takeshi Ihara, Tomohito Kitsuki
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Patent number: 7511002Abstract: The invention relates to an oil-in-water emulsion obtained by mixing (a) a polymer compound having, in a side chain, a group represented by formula (1): -OX)n-E2-R??(1) wherein X represents a C1 to C6 divalent saturated hydrocarbon group, n is a number of 5 to 300, E2 is an ether linkage or an ester linkage, and R represents a C4 to C30 hydrocarbon group, (b) a water-soluble polyol, (c) a nonionic surfactant, (d) a hydrophobic compound, and water and diluting the resulting mixture with water and a process for producing the same.Type: GrantFiled: April 26, 2005Date of Patent: March 31, 2009Assignee: Kao CorporationInventors: Takeshi Ihara, Ikuo Sugano
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Patent number: 7408879Abstract: A router includes a clock configured to be synchronous to a transmission terminal that transmits a data packet; a comparator configured to compare a delay time of the data packet with an acceptable delay time of the data packet based on the time obtained from the clock; and a packet processing unit configured to either transfer or discard the data packet based on the comparison result of the comparator.Type: GrantFiled: December 11, 2002Date of Patent: August 5, 2008Assignee: NTT DoCoMo, Inc.Inventors: Manhee Jo, Yasuhisa Hayashi, Takatoshi Okagawa, Takeshi Ihara
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Patent number: 7378551Abstract: A gelling agent having a high ability of gelling an oily base which is capable of giving a gel composition having a strong gel strength and a good transparency, a gel composition having a strong gel strength and a good transparency, an external composition having a good feel upon use, a cosmetic preparation having a good feel upon use, and a fragrance composition having a good transparency and a good appearance is provided. An amide compound represented by the following formula 1: is used. In formula 1, R1, R2 and R3 are each independently a hydrogen atom or an alkyl group having a carbon number of from 1 to 3 with the proviso that at least one of R1, R2 and R3 is a hydrogen atom.Type: GrantFiled: February 21, 2005Date of Patent: May 27, 2008Assignee: Kao CorporationInventors: Tetsuya Miyajima, Takeshi Ihara, Hiromoto Mizushima
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Publication number: 20080013506Abstract: A mobile communications system is disclosed that includes a first local routing manager (LRM) providing a first network in which a mobile terminal is currently located, a second local routing manager (LRM) providing a second network in which a counterpart terminal communicating with the mobile terminal is currently located, and a home routing manager (HRM) managing correspondence between the unique home address of the counterpart terminal and the second network. The first LRM has a controller that acquires address information of the counterpart terminal from the second LRM, via the HRM, when the first LRM does not have the address information, and communication means that transmits the address information of the counterpart terminal to a router of a new cell in the first network when the mobile terminal moves into the new cell.Type: ApplicationFiled: July 9, 2007Publication date: January 17, 2008Applicant: NTT DoCoMo, Inc.Inventors: ATSUSHI IWASAKI, Masahiro Sawada, Shinichi Isobe, Takeshi Ihara
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Publication number: 20080013549Abstract: The packet switching system for transmitting and receiving a packet via a packet switching network 100, which comprises a plurality of routing tables (#0, #1, #2 . . . ), each of which has been generated by a unique routing policy, stored in the routing apparatuses deployed at the border, at the origin or at the end of the respective routing domains, an identifier (RTI) inserted in the packet to specify the routing tables, and an identifier changer to change a value of the identifier on the packet switching network 100. The routing apparatus selects one of the routing tables (#0, #1, #2 . . . ) according to the RTI in the received packet and transfers the packet to a destination that is specified by the selected routing table.Type: ApplicationFiled: September 10, 2007Publication date: January 17, 2008Applicant: NTT DoCoMo, IncInventors: Takatoshi OKAGAWA, Yasuhisa Hayashi, Manhee Jo, Takeshi Ihara
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Publication number: 20080008184Abstract: A communications system which allows data transfer not using a terminal ID assigned by an access network but using routing information distinct from the terminal ID is provided. The communications system transmits data including, as a destination address, a second terminal ID, from a first terminal to the second terminal via a plurality of transfer devices. A first transfer device includes a first memory for storing the second terminal ID and routing information for routing the data to a second transfer device, associating them with one another, and a routing processor for adding to the data the routing information for routing the data to the second transfer device associated with the second terminal ID included in the data, and transferring the data to the second transfer device.Type: ApplicationFiled: September 5, 2007Publication date: January 10, 2008Applicant: NTT DoCoMo, Inc.Inventors: Yasuhisa HAYASHI, Takeshi Ihara, Masami Yabusaki, Manhee Jo
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Publication number: 20070291754Abstract: A packet communications system and a transfer device which allow a network control function to be changed at low cost flexibly. The network manager includes an instructor for transmitting instruction information to the plurality of transfer devices, the instruction information indicating a packet ID (terminal ID) and a control function (function ID) executed on the packet. The transfer device includes an executer for executing a predetermined control function on the packet, a first memory for storing the packet ID associated with the executer of the control function executed on the packet, a manager for updating the first memory in accordance with the instruction information received from the network manager, and an internal transfer for transferring the received packet to the executer associated with the packet in the first memory.Type: ApplicationFiled: August 21, 2007Publication date: December 20, 2007Applicant: NTT DoCoMo, Inc.Inventors: Takatoshi OKAGAWA, Takeshi Ihara, Masami Yabusaki
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Patent number: 7307967Abstract: A mobile communications system is disclosed that includes a first local routing manager (LRM) providing a first network in which a mobile terminal is currently located, a second local routing manager (LRM) providing a second network in which a counterpart terminal communicating with the mobile terminal is currently located, and a home routing manager (HRM) managing correspondence between the unique home address of the counterpart terminal and the second network. The first LRM has a controller that acquires address information of the counterpart terminal from the second LRM, via the HRM, when the first LRM does not have the address information, and communication means that transmits the address information of the counterpart terminal to a router of a new cell in the first network when the mobile terminal moves into the new cell.Type: GrantFiled: January 2, 2004Date of Patent: December 11, 2007Assignee: NTT DoCoMo, Inc.Inventors: Atsushi Iwasaki, Masahiro Sawada, Shinichi Isobe, Takeshi Ihara