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).

  • Patent number: 8916700
    Abstract: 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: Grant
    Filed: November 11, 2008
    Date of Patent: December 23, 2014
    Assignee: Kao Corporation
    Inventors: Munehisa Okutsu, Takeshi Ihara
  • Patent number: 8658630
    Abstract: 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: Grant
    Filed: January 29, 2010
    Date of Patent: February 25, 2014
    Assignee: Kao Corporation
    Inventors: Satoshi Nagai, Katsuyuki Takano, Masahiro Suzuki, Takeshi Ban, Michio Yokosuka, Takeshi Ihara, Tohru Nishioka
  • Patent number: 7899458
    Abstract: 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: Grant
    Filed: May 29, 2007
    Date of Patent: March 1, 2011
    Assignee: NTT DoCoMo, Inc.
    Inventors: Jun Kakishima, Takeshi Ihara, Shoichi Hirata
  • Patent number: 7899824
    Abstract: 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: Grant
    Filed: November 16, 2006
    Date of Patent: March 1, 2011
    Assignee: NTT DoCoMo, Inc.
    Inventors: Yoshikazu Akinaga, Jun Sasaki, Takeshi Ihara, Akira Miura
  • Publication number: 20100311964
    Abstract: 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: Application
    Filed: November 11, 2008
    Publication date: December 9, 2010
    Applicant: KAO Corporation
    Inventors: Munehisa Okutsu, Takeshi Ihara
  • Patent number: 7826461
    Abstract: 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: Grant
    Filed: September 10, 2007
    Date of Patent: November 2, 2010
    Assignee: NTT DoCoMo, Inc.
    Inventors: Takatoshi Okagawa, Yasuhisa Hayashi, Manhee Jo, Takeshi Ihara
  • Publication number: 20100274001
    Abstract: 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: Application
    Filed: October 21, 2008
    Publication date: October 28, 2010
    Applicant: Kao Corporation
    Inventors: Munehisa Okutsu, Masanori Takai, Toru Nishioka, Takeshi Ihara, Naoki Nojiri, Masahiro Umehara, Kohei Nakanishi
  • Patent number: 7818363
    Abstract: 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: Grant
    Filed: September 5, 2007
    Date of Patent: October 19, 2010
    Assignee: NTT DoCoMo, Inc.
    Inventors: Yasuhisa Hayashi, Takeshi Ihara, Masami Yabusaki, Manhee Jo
  • Publication number: 20100126525
    Abstract: 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: Application
    Filed: January 29, 2010
    Publication date: May 27, 2010
    Applicant: Kao Corporation
    Inventors: Satoshi NAGAI, Katsuyuki Takano, Masahiro Suzuki, Takeshi Ban, Michio Yokosuka, Takeshi Ihara, Tohru Nishioka
  • Patent number: 7613143
    Abstract: 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: Grant
    Filed: February 17, 2004
    Date of Patent: November 3, 2009
    Assignee: NTT DoCoMo, Inc.
    Inventors: Jun Kakishima, Masahiro Sawada, Takeshi Ihara, Shoichi Hirata
  • Publication number: 20090182060
    Abstract: 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: Application
    Filed: April 9, 2007
    Publication date: July 16, 2009
    Applicant: Kao Corporation
    Inventors: Toru Nishioka, Takeshi Ihara
  • Patent number: 7517534
    Abstract: 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: Grant
    Filed: March 12, 2002
    Date of Patent: April 14, 2009
    Assignee: Kao Corporation
    Inventors: Takahiro Nishizaka, Takeshi Ihara, Tomohito Kitsuki
  • Patent number: 7511002
    Abstract: 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: Grant
    Filed: April 26, 2005
    Date of Patent: March 31, 2009
    Assignee: Kao Corporation
    Inventors: Takeshi Ihara, Ikuo Sugano
  • Patent number: 7408879
    Abstract: 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: Grant
    Filed: December 11, 2002
    Date of Patent: August 5, 2008
    Assignee: NTT DoCoMo, Inc.
    Inventors: Manhee Jo, Yasuhisa Hayashi, Takatoshi Okagawa, Takeshi Ihara
  • Patent number: 7378551
    Abstract: 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: Grant
    Filed: February 21, 2005
    Date of Patent: May 27, 2008
    Assignee: Kao Corporation
    Inventors: Tetsuya Miyajima, Takeshi Ihara, Hiromoto Mizushima
  • Publication number: 20080013506
    Abstract: 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: Application
    Filed: July 9, 2007
    Publication date: January 17, 2008
    Applicant: NTT DoCoMo, Inc.
    Inventors: ATSUSHI IWASAKI, Masahiro Sawada, Shinichi Isobe, Takeshi Ihara
  • Publication number: 20080013549
    Abstract: 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: Application
    Filed: September 10, 2007
    Publication date: January 17, 2008
    Applicant: NTT DoCoMo, Inc
    Inventors: Takatoshi OKAGAWA, Yasuhisa Hayashi, Manhee Jo, Takeshi Ihara
  • Publication number: 20080008184
    Abstract: 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: Application
    Filed: September 5, 2007
    Publication date: January 10, 2008
    Applicant: NTT DoCoMo, Inc.
    Inventors: Yasuhisa HAYASHI, Takeshi Ihara, Masami Yabusaki, Manhee Jo
  • Publication number: 20070291754
    Abstract: 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: Application
    Filed: August 21, 2007
    Publication date: December 20, 2007
    Applicant: NTT DoCoMo, Inc.
    Inventors: Takatoshi OKAGAWA, Takeshi Ihara, Masami Yabusaki
  • Patent number: 7307967
    Abstract: 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: Grant
    Filed: January 2, 2004
    Date of Patent: December 11, 2007
    Assignee: NTT DoCoMo, Inc.
    Inventors: Atsushi Iwasaki, Masahiro Sawada, Shinichi Isobe, Takeshi Ihara