Patents by Inventor Fumiyuki Nihey

Fumiyuki Nihey 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).

  • Publication number: 20200283296
    Abstract: A nanocarbon separation device includes a separation tank which is configured to accommodate a dispersion liquid including a nanocarbon, a first electrode that is provided at an upper part in the separation tank, a second electrode that is provided at a lower part in the separation tank, and a partition member that is provided between the first electrode and the second electrode in the separation tank, and the partition member partitions the separation tank into a plurality of regions.
    Type: Application
    Filed: October 10, 2017
    Publication date: September 10, 2020
    Applicant: NEC CORPORATION
    Inventors: Kazuki IHARA, Mayumi KOSAKA, Ryota YUGE, Hideaki NUMATA, Fumiyuki NIHEY
  • Publication number: 20200277194
    Abstract: A nanocarbon separation method includes: preparing a nanocarbon dispersion liquid in which nanocarbons and a non-ionic surfactant are dispersed in a solvent; injecting the nanocarbon dispersion liquid into a separation tank; applying a direct current voltage to a first electrode provided at an upper part of the interior of the separation tank and a second electrode provided at a lower part of the interior of the separation tank and generating a pH gradient in the nanocarbon dispersion liquid inside the separation tank, and separating metallic nanocarbons and semiconductor nanocarbons included in the nanocarbon dispersion liquid.
    Type: Application
    Filed: September 29, 2017
    Publication date: September 3, 2020
    Applicant: NEC CORPORATION
    Inventors: Fumiyuki NIHEY, Hideaki NUMATA
  • Patent number: 10713930
    Abstract: In order to detect a behavioral state of an evacuee in a facility and provide, for an evacuee, an evacuation instruction according to the behavioral state, the present invention provides an evacuation guidance system including: a storage means; an analysis control means for acquiring pressure data generated by at least one pressure sensor installed on an evacuation route in a facility and storing the pressure data in the storage means, and also for comparing a plurality of pieces of the pressure data generated in a verification time period, analyzing a temporal change in the pressure data, and analyzing a state of a person located on the pressure sensor; and an evacuation instruction means for generating evacuation instruction information based on an analysis result of the analysis control means.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: July 14, 2020
    Assignee: NEC CORPORATION
    Inventors: Fumiyuki Nihey, Takashi Manako, Hiroyuki Endoh, Noriyuki Tonouchi
  • Publication number: 20200108347
    Abstract: A nanocarbon separation method includes a step of preparing a dispersion liquid having nanocarbons dispersed therein; a step of injecting a liquid including the dispersion liquid into an electrophoresis tank so that a pH of the liquid increases from a bottom to a top in a direction of gravitational force; and a step of applying a direct current to electrodes disposed in an upper part and a lower part of the electrophoresis tank.
    Type: Application
    Filed: February 28, 2017
    Publication date: April 9, 2020
    Applicant: NEC Corporation
    Inventor: Fumiyuki NIHEY
  • Publication number: 20200061540
    Abstract: A nanocarbon separation apparatus includes: an electrophoresis tank; electrodes disposed in an upper part and a lower part of the electrophoresis tank; a first injection port through which a liquid is injected into the electrophoresis tank; a second injection port which is provided below the first injection port and through which a liquid having a pH lower than a pH of the liquid injected through the first injection port is injected into the electrophoresis tank; and a recovery port provided in a surface facing a surface having the first injection port and the second injection port, wherein the liquid injected through at least one of the first injection port and the second injection port is a dispersion liquid having nanocarbons dispersed therein.
    Type: Application
    Filed: February 28, 2017
    Publication date: February 27, 2020
    Applicant: NEC CORPORATION
    Inventors: Fumiyuki NIHEY, Yuki KUWAHARA, Takeshi SAITO, Fusako SASAKI
  • Publication number: 20200047122
    Abstract: A nanocarbon separation method includes: a step of preparing a plurality of liquids with different specific gravities in which at least one of the plurality of liquids is a dispersion liquid in which a mixture of nanocarbons with different properties is dispersed; a step of sequentially injecting the plurality of liquids into an electrophoresis tank so that the specific gravities of the liquids decrease from a bottom to a top of the liquids in a direction of gravitational force; and a step of separating the mixture of the nanocarbons by moving a part of the mixture toward an electrode side disposed in an upper part of the electrophoresis tank and moving a remainder of the mixture toward an electrode side disposed in a lower part of the electrophoresis tank by applying a direct current voltage to the electrodes.
    Type: Application
    Filed: September 29, 2017
    Publication date: February 13, 2020
    Applicant: NEC CORPORATION
    Inventors: Fumiyuki NIHEY, Hideaki NUMATA, Yuki KUWAHARA, Takeshi SAITO, Fusako SASAKI
  • Publication number: 20200031672
    Abstract: A single-walled carbon nanotube separation apparatus includes: a separation tank accommodating a single-walled carbon nanotube dispersion liquid containing: metallic single-walled carbon nanotubes; and semiconducting single-walled carbon nanotubes; a first electrode and a second electrode that are installed in the separation tank; and a partition wall installed between the first electrode and the second electrode in the separation tank and below the separation tank in a height direction thereof.
    Type: Application
    Filed: February 28, 2017
    Publication date: January 30, 2020
    Applicant: NEC CORPORATION
    Inventor: Fumiyuki NIHEY
  • Publication number: 20200027334
    Abstract: In order to detect a behavioral state of an evacuee in a facility and provide, for an evacuee, an evacuation instruction according to the behavioral state, the present invention provides an evacuation guidance system including: a storage means; an analysis control means for acquiring pressure data generated by at least one pressure sensor installed on an evacuation route in a facility and storing the pressure data in the storage means, and also for comparing a plurality of pieces of the pressure data generated in a verification time period, analyzing a temporal change in the pressure data, and analyzing a state of a person located on the pressure sensor; and an evacuation instruction means for generating evacuation instruction information based on an analysis result of the analysis control means.
    Type: Application
    Filed: September 18, 2019
    Publication date: January 23, 2020
    Applicant: NEC CORPORATION
    Inventors: Fumiyuki NIHEY, Takashi MANAKO, Hiroyuki ENDOH, Noriyuki TONOUCHI
  • Patent number: 10535250
    Abstract: In order to detect a behavioral state of an evacuee in a facility and provide, for an evacuee, an evacuation instruction according to the behavioral state, the present invention provides an evacuation guidance system including: a storage means; an analysis control means for acquiring pressure data generated by at least one pressure sensor installed on an evacuation route in a facility and storing the pressure data in the storage means, and also for comparing a plurality of pieces of the pressure data generated in a verification time period, analyzing a temporal change in the pressure data, and analyzing a state of a person located on the pressure sensor; and an evacuation instruction means for generating evacuation instruction information based on an analysis result of the analysis control means.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: January 14, 2020
    Assignee: NEC CORPORATION
    Inventors: Fumiyuki Nihey, Takashi Manako, Hiroyuki Endoh, Noriyuki Tonouchi
  • Publication number: 20190172338
    Abstract: In order to detect a behavioral state of an evacuee in a facility and provide, for an evacuee, an evacuation instruction according to the behavioral state, the present invention provides an evacuation guidance system including: a storage means; an analysis control means for acquiring pressure data generated by at least one pressure sensor installed on an evacuation route in a facility and storing the pressure data in the storage means, and also for comparing a plurality of pieces of the pressure data generated in a verification time period, analyzing a temporal change in the pressure data, and analyzing a state of a person located on the pressure sensor; and an evacuation instruction means for generating evacuation instruction information based on an analysis result of the analysis control means.
    Type: Application
    Filed: August 1, 2017
    Publication date: June 6, 2019
    Applicant: NEC Corporation
    Inventors: Fumiyuki NIHEY, Takashi MANAKO, Hiroyuki ENDOH, Noriyuki TONOUCHI
  • Patent number: 8961762
    Abstract: A method for separating a nanocarbon material includes a step in which a dispersion solution of the nanocarbon material which is dispersed into nanocarbon micelle groups having a plurality of different electric charges, and a retaining solution having a different specific gravity from the nanocarbon material, are introduced into an electrophoresis tank to form a layered state disposed in layers in a predetermined direction; and a step separating the nanocarbon micelle groups into at least two nanocarbon micelle groups by means of applying direct current voltage in series across the dispersion solution and the retaining solution which had both been introduced and disposed in layers.
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: February 24, 2015
    Assignee: NEC Corporation
    Inventors: Kazuki Ihara, Fumiyuki Nihey
  • Publication number: 20120103809
    Abstract: A method for separating a nanocarbon material includes a step in which a dispersion solution of the nanocarbon material which is dispersed into nanocarbon micelle groups having a plurality of different electric charges, and a retaining solution having a different specific gravity from the nanocarbon material, are introduced into an electrophoresis tank to form a layered state disposed in layers in a predetermined direction; and a step separating the nanocarbon micelle groups into at least two nanocarbon micelle groups by means of applying direct current voltage in series across the dispersion solution and the retaining solution which had both been introduced and disposed in layers.
    Type: Application
    Filed: June 23, 2010
    Publication date: May 3, 2012
    Applicant: NEC CORPORATION
    Inventors: Kazuki Ihara, Fumiyuki Nihey
  • Publication number: 20090181535
    Abstract: Scale down design has posed problems in an increase in the resistance value of an interconnection structure and a decrease in the resistance to electromigration and stress migration. The present invention provides an interconnection structure of a high-reliability semiconductor device which has a low resistance value even in the case of scale down design and does not produce electromigration or stress migration, and a method of manufacturing the interconnection structure. Provided are a semiconductor device which has an interconnection or a connection plug, both of which are fabricated from a mixture of a metal and carbon nanotubes, in an interconnection trench or a via hole, both of which are formed on an insulating film on a substrate on which a semiconductor device element is formed, and a method of manufacturing this semiconductor device.
    Type: Application
    Filed: March 18, 2009
    Publication date: July 16, 2009
    Applicant: NEC CORPORATION
    Inventors: Toshitsugu SAKAMOTO, Hisao Kawaura, Toshio Baba, Fumiyuki Nihey, Yukinori Ochiai, Hiroo Hongo
  • Patent number: 7518247
    Abstract: There has been a problem that micromiaturization causes increase of the resistance of wiring structure and degradation of electron migration resistance and stress migration resistance. The present invention provides a wiring structure of a semiconductor device having a low resistance even when the semiconductor device is microminiaturized, free of electron migration and stress migration, and having a high reliability and a method for manufacturing the same. A semiconductor device having a wiring or a connection plug made of a mixture of a metal and carbon nanotubes berried in a wiring groove or a via hole made in an insulating film on a substrate where a semiconductor chip is fabricated, and its manufacturing method are provided.
    Type: Grant
    Filed: December 1, 2003
    Date of Patent: April 14, 2009
    Assignee: NEC Corporation
    Inventors: Toshitsugu Sakamoto, Hisao Kawaura, Toshio Baba, Fumiyuki Nihey, Yukinori Ochiai, Hiroo Hongo
  • Patent number: 7357984
    Abstract: By coating the outer surface of carbon nanotubes with various polymers of different properties, such properties as insulation property, reactivity, optical visibility, solvent dispersion property and so on are given to the outer surface of the carbon nanotubes.
    Type: Grant
    Filed: May 13, 2003
    Date of Patent: April 15, 2008
    Assignees: Incorporated Administrative Agency National Agriculture and Bio-Oriented Research Organization, NEC Corporation
    Inventors: Kazunori Otobe, Hidenobu Nakao, Hideki Hayashi, Fumiyuki Nihey
  • Publication number: 20060091557
    Abstract: There has been a problem that micromiaturization causes increase of the resistance of wiring structure and degradation of electron migration resistance and stress migration resistance. The present invention provides a wiring structure of a semiconductor device having a low resistance even when the semiconductor device is microminiaturized, free of electron migration and stress migration, and having a high reliability and a method for manufacturing the same. A semiconductor device having a wiring or a connection plug made of a mixture of a metal and carbon nanotubes berried in a wiring groove or a via hole made in an insulating film on a substrate where a semiconductor chip is fabricated, and its manufacturing method are provided.
    Type: Application
    Filed: December 1, 2003
    Publication date: May 4, 2006
    Applicant: NEC Corporation
    Inventors: Toshitsugu Sakamoto, Hisao Kawaura, Toshio Baba, Fumiyuki Nihey, Yukinori Ochiai, Hiroo Hongo
  • Publication number: 20060057053
    Abstract: By coating the outer surface of carbon nanotubes with various polymers of different properties, such properties as insulation property, reactivity, optical visibility, solvent dispersion property and so on are given to the outer surface of the carbon nanotubes.
    Type: Application
    Filed: May 13, 2003
    Publication date: March 16, 2006
    Applicants: Incorporated Administrative Agency National- Argiculture and Bio-riented Research Organ, NEC Corporation
    Inventors: Kazunori Otobe, Hidenobu Nakao, Hideki Hayashi, Fumiyuki Nihey
  • Publication number: 20050079120
    Abstract: The present invention provides a process for producing a nano-graphite structure having a desired two-dimensional or three-dimensional shape, which process possesses enough potential for ultra-fine processing to allow free selection of the size, shape, and position for the construction therefor; typically a process in which the nano-graphite structure 4 is produced by such a way where a nano-structure amorphous carbon structure 2 formed on a substrate 1 in advance in the shape of a desired ultra-fine steric configuration by a beam-excited reaction is equipped with catalyst metal atoms such as iron contained therein, and when subjecting the steric structure to a low-temperature heat treatment, the structure is converted into the graphite structure 3 through a catalytic thermal reaction by means of the catalyst metal atoms involved therein, while the shape of steric configuration thereof holds.
    Type: Application
    Filed: January 31, 2003
    Publication date: April 14, 2005
    Inventors: Jun-ichi Fujita, Masahiko Ishida, Fumiyuki Nihey, Yukinori Ochiai
  • Publication number: 20040238887
    Abstract: A field-effect transistor has a channel disposed on a substrate, a source electrode connected to a starting end of the channel, a drain electrode connected to a terminal end of the channel, an insulator disposed on an upper or side surface of the channel, and a gate electrode disposed on the upper or side surface of the channel with the insulator interposed therebetween. The channel is made of a plurality of carbon nanotubes.
    Type: Application
    Filed: July 15, 2004
    Publication date: December 2, 2004
    Inventor: Fumiyuki Nihey