Patents by Inventor Susumu Ueno

Susumu Ueno 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: 20200317928
    Abstract: A method for manufacturing granulated silica. The method includes granulating silica powders each having a primary particle size of 5 to 50 nm by use of water, and hydrophobizing each surface of the silica powders with a silicon atom-containing hydrophobizing agent before or simultaneously with the granulation step.
    Type: Application
    Filed: June 19, 2020
    Publication date: October 8, 2020
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Masanobu NISHIMINE, Tomoya OGATA, Daichi TODOROKI, Tsutomu NAKAMURA, Susumu UENO
  • Publication number: 20200140659
    Abstract: A cellulose nanofiber-supporting inorganic powder includes a cellulose nanofiber and an inorganic powder, wherein the cellulose nanofiber is supported on the inorganic powder. Thus, the cellulose nanofiber may be readily and uniformly dispersed in a resin or rubber composition, and, by adding to the composition, a cellulose nanofiber-supporting inorganic powder is capable of improving the physical properties of a resin or a rubber.
    Type: Application
    Filed: May 31, 2018
    Publication date: May 7, 2020
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Masakatsu HOTTA, Masanobu NISHIMINE, Tomoya OGATA, Susumu UENO, Masaki TANAKA
  • Publication number: 20190040264
    Abstract: The present invention provides granulated silica including water-granulated silica powders, each of the silica powders having a primary particle size of 5 to 50 nm and a surface hydrophobized with a silicon atom-containing hydrophobizing agent; the granulated silica having a degree of hydrophobization of 40 or more and a loose bulk density of 150 g/L or more. This provides granulated silica that is excellent in handleability and has good dispersibility.
    Type: Application
    Filed: July 12, 2018
    Publication date: February 7, 2019
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Masanobu NISHIMINE, Tomoya OGATA, Daichi TODOROKI, Tsutomu NAKAMURA, Susumu UENO
  • Patent number: 9553309
    Abstract: Silicon oxide particles each comprising an inner portion having an iron content of 10-1,000 ppm and an outer portion having an iron content of up to 30 ppm are suitable as negative electrode active material in nonaqueous electrolyte secondary batteries. Using a negative electrode comprising the silicon oxide particles as active material, a lithium ion secondary battery or electrochemical capacitor having a high capacity and improved cycle performance can be constructed.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: January 24, 2017
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hirofumi Fukuoka, Susumu Ueno, Koichiro Watanabe
  • Patent number: 9484159
    Abstract: A silicon oxide material having a cobalt content of 2-200 ppm is provided. A negative electrode is formed using the silicon oxide material as active material. A nonaqueous electrolyte secondary battery constructed using the negative electrode exhibits improved cycle performance while maintaining the high battery capacity and low volume expansion of silicon oxide.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: November 1, 2016
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hirofumi Fukuoka, Mitsugu Saito, Susumu Ueno, Tetsuya Inukai
  • Publication number: 20160149214
    Abstract: Silicon oxide particles each comprising an inner portion having an iron content of 10-1,000 ppm and an outer portion having an iron content of up to 30 ppm are suitable as negative electrode active material in nonaqueous electrolyte secondary batteries. Using a negative electrode comprising the silicon oxide particles as active material, a lithium ion secondary battery or electrochemical capacitor having a high capacity and improved cycle performance can be constructed.
    Type: Application
    Filed: January 28, 2016
    Publication date: May 26, 2016
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hirofumi FUKUOKA, Susumu UENO, Koichiro WATANABE
  • Patent number: 9293763
    Abstract: Particulate silicon oxide having a Cu content of 100-20,000 ppm, an Fe content of 20-1,000 ppm, an Al content of up to 1,000 ppm, an average particle size of 0.1-30 ?m, and a BET specific surface area of 0.5-30 m2/g is used as negative electrode material in constructing a nonaqueous electrolyte secondary battery. The secondary battery is improved in cycle performance while maintaining the high battery capacity and low volume expansion of silicon oxide.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: March 22, 2016
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hirofumi Fukuoka, Mitsugu Saito, Susumu Ueno, Tetsuya Inukai
  • Patent number: 9281129
    Abstract: Silicon oxide particles each comprising an inner portion having an iron content of 10-1,000 ppm and an outer portion having an iron content of up to 30 ppm are suitable as negative electrode active material in nonaqueous electrolyte secondary batteries. Using a negative electrode comprising the silicon oxide particles as active material, a lithium ion secondary battery or electrochemical capacitor having a high capacity and improved cycle performance can be constructed.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: March 8, 2016
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hirofumi Fukuoka, Susumu Ueno, Koichiro Watanabe
  • Publication number: 20140302395
    Abstract: According to the present invention, there is provided a silicon oxide for a non-aqueous electrolyte secondary battery negative electrode material wherein the silicon oxide is a carbon-containing silicon oxide obtained by codeposition from a SiO gas and a carbon-containing gas, an the carbon-containing silicon oxide has a carbon content of 0.5 to 30%. As a result, it is possible to provide a silicon oxide which is capable of manufacturing a non-aqueous electrolyte secondary battery having excellent cycle characteristics and a high capacity in case ox using as a negative electrode material, a method for manufacturing the same, and a lithium ion secondary battery and an electrochemical capacitor using the same.
    Type: Application
    Filed: September 21, 2012
    Publication date: October 9, 2014
    Applicant: SHI-ETSU CHEMICAL CO., LTD.
    Inventors: Hirofumi Fukuoka, Susumu Ueno
  • Publication number: 20140162123
    Abstract: A silicon oxide material having a cobalt content of 2-200 ppm is provided. A negative electrode is formed using the silicon oxide material as active material. A nonaqueous electrolyte secondary battery constructed using the negative electrode exhibits improved cycle performance while maintaining the high battery capacity and low volume expansion of silicon oxide.
    Type: Application
    Filed: December 9, 2013
    Publication date: June 12, 2014
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hirofumi FUKUOKA, Mitsugu SAITO, Susumu UENO, Tetsuya INUKAI
  • Publication number: 20140113192
    Abstract: Particulate silicon oxide having a Cu content of 100-20,000 ppm, an Fe content of 20-1,000 ppm, an Al content of up to 1,000 ppm, an average particle size of 0.1-30 ?m, and a BET specific surface area of 0.5-30 m2/g is used as negative electrode material in constructing a nonaqueous electrolyte secondary battery. The secondary battery is improved in cycle performance while maintaining the high battery capacity and low volume expansion of silicon oxide.
    Type: Application
    Filed: October 22, 2013
    Publication date: April 24, 2014
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hirofumi FUKUOKA, Mitsugu SAITO, Susumu UENO, Tetsuya INUKAI
  • Publication number: 20130309574
    Abstract: Silicon oxide particles each comprising an inner portion having an iron content of 10-1,000 ppm and an outer portion having an iron content of up to 30 ppm are suitable as negative electrode active material in nonaqueous electrolyte secondary batteries. Using a negative electrode comprising the silicon oxide particles as active material, a lithium ion secondary battery or electrochemical capacitor having a high capacity and improved cycle performance can be constructed.
    Type: Application
    Filed: May 15, 2013
    Publication date: November 21, 2013
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hirofumi FUKUOKA, Susumu UENO, Koichiro WATANABE
  • Publication number: 20100179049
    Abstract: A silicon carbide-silicon carbide fiber composite consists of silicon carbide particles and silicon carbide fibers. The composite has excellent oxidation resistance and finds a wide range of application as heat resistant material. The silicon carbide conversion method is simple and consistent enough to ensure production of silicon carbide-silicon carbide fiber composites with minimized variation in quality.
    Type: Application
    Filed: March 17, 2010
    Publication date: July 15, 2010
    Inventors: Hirofumi FUKUOKA, Susumu Ueno, Toshio Okada, Meguru Kashida
  • Publication number: 20100112231
    Abstract: A graphite-silicon carbide composite comprises a graphite substrate and a silicon carbide layer formed thereon and comprising silicon carbide particles in fused and contact bonded state. The composite has excellent oxidation resistance and finds a wide range of application as heat resistant material. The method of forming a silicon carbide layer on graphite surface is simple and consistent.
    Type: Application
    Filed: January 8, 2010
    Publication date: May 6, 2010
    Inventors: Hirofumi FUKUOKA, Susumu Ueno, Mikio Aramata, Toshio Okada, Noriaki Hamaya, Takao Maeda
  • Patent number: 7615201
    Abstract: By using a halogen-free siloxane and an organometallic compound containing at least one metal other than silicon as feed stocks, and simultaneously atomizing and burning them in a flame, spherical particles of silica-containing compound oxide are prepared which are substantially halogen-free, consist of 0.5-99% by weight of metal oxides and the balance of silica, and have a particle size of 10 nm to 3 ?m. The particles are useful as a filler in epoxy resin base semiconductor sealants, a refractive index modifier or the like.
    Type: Grant
    Filed: July 23, 2002
    Date of Patent: November 10, 2009
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Yoshiharu Konya, Koichiro Watanabe, Susumu Ueno
  • Publication number: 20080254287
    Abstract: A silicon carbide-silicon carbide fiber composite consists of silicon carbide particles and silicon carbide fibers. The composite has excellent oxidation resistance and finds a wide range of application as heat resistant material. The silicon carbide conversion method is simple and consistent enough to ensure production of silicon carbide-silicon carbide fiber composites with minimized variation in quality.
    Type: Application
    Filed: March 18, 2008
    Publication date: October 16, 2008
    Inventors: Hirofumi FUKUOKA, Susumu Ueno, Toshio Okada, Meguru Kashida
  • Patent number: 7431899
    Abstract: A silicon oxide powder can be continuously prepared by feeding a raw material powder mixture containing silicon dioxide powder into a reaction chamber (2) at a temperature of 1,100-1,600° C., to produce a silicon oxide gas, transferring the silicon oxide gas to a deposition chamber (11) through a transfer conduit (10) maintained at a temperature of from higher than 1,000° C. to 1,300° C., causing silicon oxide to deposit on a substrate (13) which is disposed and cooled in the deposition chamber, scraping the silicon oxide deposit, and recovering the deposit in a recovery chamber (18). The method and apparatus is capable of continuous and stable production of amorphous silicon oxide powder of high purity.
    Type: Grant
    Filed: February 24, 2004
    Date of Patent: October 7, 2008
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hirofumi Fukuoka, Susumu Ueno, Takeshi Fukuda
  • Publication number: 20080241475
    Abstract: A graphite-silicon carbide composite comprises a graphite substrate and a silicon carbide layer formed thereon and comprising silicon carbide particles in fused and contact bonded state. The composite has excellent oxidation resistance and finds a wide range of application as heat resistant material. The method of forming a silicon carbide layer on graphite surface is simple and consistent.
    Type: Application
    Filed: March 26, 2008
    Publication date: October 2, 2008
    Inventors: Hirofumi Fukuoka, Susumu Ueno, Mikio Aramata, Toshio Okada, Noriaki Hamaya, Takao Maeda
  • Patent number: 7358011
    Abstract: A non-aqueous electrolyte secondary battery negative electrode material is provided wherein a negative electrode active material containing a lithium ion-occluding and releasing material which has been treated with an organosilicon base surface treating agent is surface coated with a conductive coating. Using the negative electrode material, a lithium ion secondary battery having a high capacity and improved cycle performance is obtainable.
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: April 15, 2008
    Assignee: Shin-Etsu Chemical Co., Ltd
    Inventors: Hirofumi Fukuoka, Mikio Aramata, Satoru Miyawaki, Susumu Ueno, Kazuma Momii
  • Patent number: 7332144
    Abstract: A hydrophobic silica fine powder is prepared by premixing a hydrophilic silica fine powder with a dimer diol siloxane or cyclic siloxane as a hydrophobizing agent, mixing them in a ball mill for achieving dispersion and for achieving cleavage or disintegration and consolidation, and thereafter heating at 100-300° C. in an ammonia or amine-containing atmosphere. The powder has an aerated bulk density of 100-300 g/l, a specific surface area of 40-300 m2/g, a primary particle diameter of 10-120 nm, and a degree of hydrophobization of 40-80 as measured by methanol titration and is less bulky, easy to handle and disperse and stable in a kneaded mixture.
    Type: Grant
    Filed: November 27, 2002
    Date of Patent: February 19, 2008
    Assignee: Shin - Etsu Chemical Co., Ltd.
    Inventors: Yoshiharu Konya, Koichiro Watanabe, Susumu Ueno