Patents by Inventor Kentaro Matsunaga

Kentaro Matsunaga 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: 8394543
    Abstract: In one embodiment, an electrical power storage system using hydrogen includes a power generation unit generating power using hydrogen and oxidant gas and an electrolysis unit electrolyzing steam. The electrical power storage system includes a hydrogen storage unit storing hydrogen generated by the electrolysis and supplying the hydrogen to the power generation unit during power generation, a high-temperature heat storage unit storing high temperature heat generated accompanying the power generation and supplying the heat to the electrolysis unit during the electrolysis, and a low-temperature heat storage unit storing low-temperature heat, which is exchanged in the high-temperature heat storage unit and generating with this heat the steam supplied to the electrolysis unit.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: March 12, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Shoko Suyama, Yoshiyasu Ito, Shigeo Kasai, Yasuo Takagi, Tsuneji Kameda, Kentaro Matsunaga, Masato Yoshino, Daisuke Horikawa, Kazuya Yamada
  • Patent number: 8329385
    Abstract: A method of manufacturing a semiconductor device according to one embodiment, includes: forming a first mask material film on a workpiece film formed on a semiconductor substrate; forming a resist pattern on the first mask material film; forming a second mask material film having a desired film thickness on the first mask material film so as to cover the resist pattern; carrying out etchback of the second mask material film so as to expose the resist pattern and the first mask material film; processing the resist pattern and the first mask material film simultaneously which are exposed, while leaving the second mask material film of which etchback is carried out; and processing the workpiece film which exposes under the first mask material film.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: December 11, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Eishi Shiobara, Keisuke Kikutani, Kazuyuki Yahiro, Kentaro Matsunaga, Tomoya Oori
  • Publication number: 20120208100
    Abstract: In one embodiment, an electrical power storage system using hydrogen includes a power generation unit generating power using hydrogen and oxidant gas and an electrolysis unit electrolyzing steam. The electrical power storage system includes a hydrogen storage unit storing hydrogen generated by the electrolysis and supplying the hydrogen to the power generation unit during power generation, a high-temperature heat storage unit storing high temperature heat generated accompanying the power generation and supplying the heat to the electrolysis unit during the electrolysis, and a low-temperature heat storage unit storing low-temperature heat, which is exchanged in the high-temperature heat storage unit and generating with this heat the steam supplied to the electrolysis unit.
    Type: Application
    Filed: August 11, 2011
    Publication date: August 16, 2012
    Inventors: Shoko SUYAMA, Yoshiyasu Ito, Shigeo Kasai, Yasuo Takagi, Tsuneji Kameda, Kentaro Matsunaga, Masato Yoshino, Daisuke Horikawa, Kazuya Yamada
  • Patent number: 8158332
    Abstract: A method of fabricating a semiconductor device according to an embodiment includes: forming a first resist pattern made of a first resist material on a workpiece material; irradiating an energy beam onto the first resist pattern, the energy beam exposing the first resist material to light; performing a treatment for improving resistance the first resist pattern after irradiation of the energy beam; forming a coating film on the workpiece material so as to cover the first resist pattern; and forming a second resist pattern made of a second resist material on the coating film after the treatment.
    Type: Grant
    Filed: January 19, 2010
    Date of Patent: April 17, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kentaro Matsunaga, Tomoya Oori, Eishi Shiobara
  • Patent number: 8138059
    Abstract: A semiconductor device manufacturing method includes: forming a core pattern on a foundation film, the core pattern containing a material generating acid by light exposure; selectively exposing part of the core pattern except an longitudinal end portion; supplying a mask material onto the foundation film so as to cover the core pattern, the mask material being crosslinkable upon supply acid from the core pattern; etching back the mask material to expose an upper surface of the core pattern and remove a portion of the mask material formed on the end portion of the core pattern, thereby leaving a mask material side wall portion formed on a side wall of the core pattern; and removing the core pattern and processing the foundation film by using the mask material sidewall portion left on the foundation film as a mask.
    Type: Grant
    Filed: September 22, 2009
    Date of Patent: March 20, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kentaro Matsunaga, Hirokazu Kato, Tomoya Oori
  • Publication number: 20120034789
    Abstract: A method for manufacturing a semiconductor device includes: performing modifying a surface of a semiconductor wafer including a silanol group on the surface with an alkylsilyl group; and fluorinating an alkyl group of the alkylsilyl group with which the surface was modified.
    Type: Application
    Filed: October 18, 2011
    Publication date: February 9, 2012
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Kentaro Matsunaga, Shinichi Ito
  • Patent number: 7973907
    Abstract: A method for treating a substrate before exposing the substrate to which a resist is applied, includes, rinsing the substrate to which a resist is applied, and holding the rinsed substrate in an atmosphere. The atmosphere substantially contains no moisture until conveying the substrate to an exposure apparatus.
    Type: Grant
    Filed: October 30, 2008
    Date of Patent: July 5, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kentaro Matsunaga, Daisuke Kawamura, Seiro Miyoshi, Eishi Shiobara
  • Publication number: 20110039214
    Abstract: A pattern forming method includes forming a photo resist film on a film to be processed, forming a protective film for protecting the photo resist film from an immersion liquid on the photo resist film by coating method, performing immersion exposure selectively to a region of part of the photo resist film via the immersion liquid, the immersion liquid being supplied onto the photo resist film, removing a residual substance including an affinitive part for the immersion liquid from the protective film after the forming the protective film and before the performing immersion exposure selectively to the region of part of the photo resist film, removing the protective film, and forming a pattern comprising the photo resist film by selectively removing an exposed region or a non-exposed region of the photo resist film.
    Type: Application
    Filed: August 17, 2010
    Publication date: February 17, 2011
    Inventors: Shinichi ITO, Kentaro Matsunaga, Daisuke Kawamura, Yasunobu Onishi
  • Publication number: 20110034029
    Abstract: According to one embodiment, a pattern formation method is disclosed. The method includes forming a plurality of regions on a foundation and the plurality of the regions correspond to different pattern sizes. The method includes separating each of a plurality of block copolymers from another one of the plurality of the block copolymers and segregating the each of the plurality of the block copolymers into a corresponding one of the regions. The method includes performing a phase separation of the each of the block copolymers of each of the regions. The method includes selectively removing a designated phase of each of the phase-separated block copolymers to form a pattern of the each of the block copolymers and the pattern has a different pattern size for the each of the regions.
    Type: Application
    Filed: August 3, 2010
    Publication date: February 10, 2011
    Inventors: Kentaro MATSUNAGA, Tomoya Oori, Eishi Shiobara, Yukiko Sato, Yoshihisa Kawamura
  • Publication number: 20100304568
    Abstract: A pattern forming method includes forming a first photoresist on an underlying region, forming a second photoresist on the first photoresist, the second photoresist having an exposure sensitivity which is different from an exposure sensitivity of the first photoresist, radiating exposure light on the first and second photoresists via a photomask including a first transmissive region and a second transmissive region which cause a phase difference of 180° between transmissive light components passing therethrough, the first transmissive region and the second transmissive region being provided in a manner to neighbor in an irradiation region, and developing the first and second photoresists which have been irradiated with the exposure light, thereby forming a structure includes a first region where the underlying region is exposed, a second region where the first photoresist is exposed and a third region where the first photoresist and the second photoresist are left.
    Type: Application
    Filed: April 1, 2010
    Publication date: December 2, 2010
    Inventors: Seiro MIYOSHI, Yasunobu Kai, Kentaro Matsunaga, Keisuke Kikutani, Eishi Shiobara, Shinya Takahashi
  • Patent number: 7794922
    Abstract: A pattern forming method includes forming a photo resist film on a film to be processed, forming a protective film for protecting the photo resist film from an immersion liquid on the photo resist film by coating method, performing immersion exposure selectively to a region of part of the photo resist film via the immersion liquid, the immersion liquid being supplied onto the photo resist film, removing a residual substance including an affinitive part for the immersion liquid from the protective film after the forming the protective film and before the performing immersion exposure selectively to the region of part of the photo resist film, removing the protective film, and forming a pattern comprising the photo resist film by selectively removing an exposed region or a non-exposed region of the photo resist film.
    Type: Grant
    Filed: May 11, 2006
    Date of Patent: September 14, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Shinichi Ito, Kentaro Matsunaga, Daisuke Kawamura, Yasunobu Onishi
  • Patent number: 7794923
    Abstract: A substrate processing method including while a liquid is supplied between a processing target substrate to be applied with exposure treatment and a projection optical system of an exposure apparatus for carrying out the exposure treatment, prior to providing a resist film on a first main face of the processing target substrate that is provided for liquid immersion exposure for carrying out the exposure treatment at a side to be applied with the exposure treatment, selectively applying at least hydrophobic treatment with respect to a region in a predetermined range from a peripheral rim part of a second main face opposite to the first main face.
    Type: Grant
    Filed: January 18, 2007
    Date of Patent: September 14, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Eishi Shiobara, Kentaro Matsunaga, Daisuke Kawamura, Tomoyuki Takeishi, Kei Hayasaki, Shinichi Ito
  • Publication number: 20100183982
    Abstract: A method of fabricating a semiconductor device according to an embodiment includes: forming a first resist pattern made of a first resist material on a workpiece material; irradiating an energy beam onto the first resist pattern, the energy beam exposing the first resist material to light; performing a treatment for improving resistance the first resist pattern after irradiation of the energy beam; forming a coating film on the workpiece material so as to cover the first resist pattern; and forming a second resist pattern made of a second resist material on the coating film after the treatment.
    Type: Application
    Filed: January 19, 2010
    Publication date: July 22, 2010
    Inventors: Kentaro MATSUNAGA, Tomoya Oori, Eishi Shiobara
  • Patent number: 7742150
    Abstract: A manufacturing method of a semiconductor device including a liquid immersion movement exposure of interposing a liquid between an exposure target substrate and a projection optical system of an exposure apparatus, and carrying out an exposure processing with respect to a plurality of exposure regions set on a surface of the substrate while relatively moving the substrate with respect to the system, a first liquid immersion movement of relatively moving the substrate with respect to the system while interposing the liquid between the substrate and the system, in adjacent exposure regions of said each exposure region, and a second liquid immersion movement of relatively moving the substrate with respect to the system at a speed lower than a movement speed in the first movement, while interposing the liquid between the substrate and the system, in a distance that is longer than a movement distance in the first movement.
    Type: Grant
    Filed: January 18, 2007
    Date of Patent: June 22, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Shinichi Ito, Kentaro Matsunaga, Daisuke Kawamura
  • Publication number: 20100081091
    Abstract: According to an aspect of the present invention, there is provided a method for manufacturing a semiconductor device, the method including; sequentially forming a first film and a second film on a base film; processing the second film, thereby forming a second pattern; processing the first film with the second pattern, thereby forming a first pattern; removing the second pattern; depositing a third film on the base film and the first pattern; processing the third film, thereby forming a third pattern on side walls of the first pattern; removing the first pattern; and processing the base film with the third pattern; wherein, when processing the third film, a process condition is adjusted based on at least one information of a size of the second pattern and a size of the first pattern.
    Type: Application
    Filed: September 9, 2009
    Publication date: April 1, 2010
    Inventors: Koji HASHIMOTO, Daisuke Kawamura, Kentaro Matsunaga, Iwao Higashikawa
  • Publication number: 20100078860
    Abstract: An imprint method includes applying a light curable resin on a substrate to be processed, the substrate including first and second regions on which the light curable resin is applied, contacting an imprint mold with the light curable resin, curing the light curable resin by irradiating the light curable resin with light passing through the imprint mold, generating gas by performing a predetermined process to the light curable resin applied on a region of the substrate, the region including at least the first region, wherein an amount of gas generated from the light curable resin applied on the first region is larger than an amount of gas generated from the light curable resin of the second region, and forming a pattern by separating the imprint mold from the light curable resin after the gas being generated.
    Type: Application
    Filed: September 21, 2009
    Publication date: April 1, 2010
    Inventors: Ikuo Yoneda, Kentaro Matsunaga, Yukiko Kikuchi, Yoshihisa Kawamura, Eishi Shiobara, Shinichi Ito, Tetsuro Nakasugi, Hirokazu Kato
  • Publication number: 20100022098
    Abstract: A method for manufacturing a semiconductor device includes: performing modifying a surface of a semiconductor wafer including a silanol group on the surface with an alkylsilyl group; and fluorinating an alkyl group of the alkylsilyl group with which the surface was modified.
    Type: Application
    Filed: July 15, 2009
    Publication date: January 28, 2010
    Inventors: Kentaro MATSUNAGA, Shinichi ITO
  • Publication number: 20090305166
    Abstract: A method of manufacturing a semiconductor device according to one embodiment, includes: forming a first mask material film on a workpiece film formed on a semiconductor substrate; forming a resist pattern on the first mask material film; forming a second mask material film having a desired film thickness on the first mask material film so as to cover the resist pattern; carrying out etchback of the second mask material film so as to expose the resist pattern and the first mask material film; processing the resist pattern and the first mask material film simultaneously which are exposed, while leaving the second mask material film of which etchback is carried out; and processing the workpiece film which exposes under the first mask material film.
    Type: Application
    Filed: June 10, 2009
    Publication date: December 10, 2009
    Inventors: Eishi SHIOBARA, Keisuke Kikutani, Kazuyuki Yahiro, Kentaro Matsunaga, Tomoya Oori
  • Publication number: 20090115978
    Abstract: A method for treating a substrate before exposing the substrate to which a resist is applied, includes, rinsing the substrate to which a resist is applied, and holding the rinsed substrate in an atmosphere. The atmosphere substantially contains no moisture until conveying the substrate to an exposure apparatus.
    Type: Application
    Filed: October 30, 2008
    Publication date: May 7, 2009
    Inventors: Kentaro MATSUNAGA, Daisuke Kawamura, Seiro Miyoshi, Eishi Shiobara
  • Publication number: 20090068533
    Abstract: A fuel electrode for a solid oxide electrochemical cell includes: an electrode layer including a mixed phase constituted of zirconia stabilized with yttrium oxide, ytterbium oxide, or scandium oxide and of an oxide selected from the group including an aluminum-based oxide and a magnesium-based composite oxide, said oxide having, supported on a surface part thereof, particles of at least one member selected from nickel, cobalt, and nickel-cobalt alloys; a meshy wiring formed on a surface layer part of the electrode layer and made of a material having higher electronic conductivity than the electrode layer; and a current collector which overlies the electrode layer and is in contact with at least the wiring.
    Type: Application
    Filed: September 5, 2008
    Publication date: March 12, 2009
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Takayuki Fukasawa, Keizo Shimamura, Yoshio Hanakata, Masato Yoshino, Kentaro Matsunaga, Tsuneji Kameda, Yoshiyasu Itoh