Patents by Inventor Masatoshi Yamato

Masatoshi Yamato 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: 20210325780
    Abstract: A method of producing a resist film includes: a laminating step of fabricating a workpiece by laminating the resist film on an etching target film; and an infiltration step of exposing the workpiece to a gas of a precursor containing a metal having a higher EUV light absorption rate than carbon to infiltrate the metal into the resist film.
    Type: Application
    Filed: August 22, 2019
    Publication date: October 21, 2021
    Inventors: Kazuki YAMADA, Kyohei KOIKE, Masatoshi YAMATO, Hidetami YAEGASHI
  • Patent number: 10366888
    Abstract: A pattern forming method includes forming a first organic film by coating an etching target film with a composition including a polymer including a cross-linkable component, infiltrating an inorganic substance into the first organic film, cross-linking the polymer, forming a second organic film on the first organic film, forming a second organic film pattern by patterning the second organic film, forming a first organic film pattern having a pitch reduced to one-half of a pitch of the second organic film pattern by patterning the first organic film by a self-aligned patterning method that uses the second organic film pattern as a core pattern, forming an etching target film pattern having a pitch reduced to one-half of a pitch of the first organic film pattern by patterning the etching target film by a self-aligned patterning method that uses the first organic film pattern as a core pattern.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: July 30, 2019
    Assignees: Tokyo Electron Limited, TOKYO OHKA KOGYO CO., LTD.
    Inventors: Kazuki Yamada, Masatoshi Yamato, Hidetami Yaegashi, Yoshitaka Komuro, Takehiro Seshimo, Katsumi Ohmori
  • Patent number: 10211050
    Abstract: There is provided a semiconductor device manufacturing method, including: a film forming process in which, by supplying a solution for modifying a surface layer of a resist to a target object having a resist pattern and allowing the solution to infiltrate into the resist, a film having elasticity and having no compatibility with the resist is formed in the surface layer of the resist; and a heating process in which the target object having the film formed thereon is heated.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: February 19, 2019
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Hidetami Yaegashi, Kenichi Oyama, Masatoshi Yamato, Tomohiro Iseki, Toyohisa Tsuruda
  • Publication number: 20180374695
    Abstract: A pattern forming method includes forming a first organic film by coating an etching target film with a composition including a polymer including a cross-linkable component, infiltrating an inorganic substance into the first organic film, cross-linking the polymer, forming a second organic film on the first organic film, forming a second organic film pattern by patterning the second organic film, forming a first organic film pattern having a pitch reduced to one-half of a pitch of the second organic film pattern by patterning the first organic film by a self-aligned patterning method that uses the second organic film pattern as a core pattern, forming an etching target film pattern having a pitch reduced to one-half of a pitch of the first organic film pattern by patterning the etching target film by a self-aligned patterning method that uses the first organic film pattern as a core pattern.
    Type: Application
    Filed: June 14, 2018
    Publication date: December 27, 2018
    Inventors: Kazuki YAMADA, Masatoshi YAMATO, Hidetami YAEGASHI, Yoshitaka KOMURO, Takehiro SESHIMO, Katsumi OHMORI
  • Publication number: 20180076030
    Abstract: There is provided a SiC film forming method for forming a SiC film on a workpiece, including: a first step of forming a carbon film on the workpiece; and a second step of exposing the carbon film to a silicon-containing gas and causing silicon to be combined into the carbon film.
    Type: Application
    Filed: September 6, 2017
    Publication date: March 15, 2018
    Inventors: Kazuki YAMADA, Masatoshi YAMATO, Ryota IFUKU, Shuji AZUMO, Takashi FUSE
  • Publication number: 20160358769
    Abstract: There is provided a semiconductor device manufacturing method, including: a film forming process in which, by supplying a solution for modifying a surface layer of a resist to a target object having a resist pattern and allowing the solution to infiltrate into the resist, a film having elasticity and having no compatibility with the resist is formed in the surface layer of the resist; and a heating process in which the target object having the film formed thereon is heated.
    Type: Application
    Filed: August 16, 2016
    Publication date: December 8, 2016
    Inventors: Hidetami YAEGASHI, Kenichi OYAMA, Masatoshi YAMATO, Tomohiro ISEKI, Toyohisa TSURUDA
  • Publication number: 20160049292
    Abstract: There is provided a semiconductor device manufacturing method, including: a film forming process in which, by supplying a solution for modifying a surface layer of a resist to a target object having a resist pattern and allowing the solution to infiltrate into the resist, a film having elasticity and having no compatibility with the resist is formed in the surface layer of the resist; and a heating process in which the target object having the film formed thereon is heated.
    Type: Application
    Filed: August 5, 2015
    Publication date: February 18, 2016
    Inventors: Hidetami YAEGASHI, Kenichi OYAMA, Masatoshi YAMATO, Tomohiro ISEKI, Toyohisa TSURUDA
  • Publication number: 20140235065
    Abstract: Disclosed is a semiconductor device manufacturing method that manufactures a semiconductor device having a resist pattern which is excellent in roughness property and line width property. The method includes forming a film which is elastic and incompatible with a resist patterned on an object to be processed to cover the surface of the resist, and heating the object to be processed formed with the film.
    Type: Application
    Filed: February 18, 2014
    Publication date: August 21, 2014
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Hidetami YAEGASHI, Kenichi OYAMA, Masatoshi YAMATO
  • Patent number: 5217961
    Abstract: The present invention provides condensed quinoline compounds represented by the following general formula (I): ##STR1## in which Z is NH, X is hydrogen, L is lower alkoxy, M is NHQ, Q is --SO.sub.2 CH.sub.3, Y is --NHR, and R is: ##STR2## These compounds are effective for inhibiting KB-cell growth and prolongation of the life span of mice implanted with tumor P-388.
    Type: Grant
    Filed: September 16, 1991
    Date of Patent: June 8, 1993
    Assignee: Mect Corporation
    Inventors: Masatoshi Yamato, Kuniko Hashigaki
  • Patent number: 5128345
    Abstract: Novel indoloquinoline compounds of formula (I), benzo(b)acridines of formula (II) and benzo(c)acridines of formula (III) have carcinostatic activities. The compounds, processes for preparing the compounds via nucleophilic aromatic substitution, and carcinostatic compositions containing the same are disclosed.
    Type: Grant
    Filed: March 3, 1989
    Date of Patent: July 7, 1992
    Assignee: Mect Corporation
    Inventor: Masatoshi Yamato
  • Patent number: 5128369
    Abstract: Disclosed is a novel arylalkylamine derivative represented by the formula (I) ##STR1## wherein X represents --O--, --CH.sub.2 -- or --NR.sup.3 -- in which R.sup.3 represents hydrogen or lower alkyl;Y represents --NH-- or ##STR2## Z represents ##STR3## in which R.sup.4 represents hydrogen or lower alkyl or ##STR4## Q represents an optionally substituted aryl or optionally substituted aromatic heterocyclic group; each of R.sup.1 and R.sup.2 independently represents hydrogen or lower alkyl;each of m and n independently represents an integer of 0 or 1; anda pharmaceutically acceptable salt thereof. The compound (I) and a pharmaceutically acceptable salt thereof show bronchodilatory and antiallergic activities, and are useful for treating respiratory disorders such as bronchial asthma.
    Type: Grant
    Filed: August 7, 1991
    Date of Patent: July 7, 1992
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Masatoshi Yamato, Kuniko Hashigaki, Haruhiko Manabe, Kenji Ohmori
  • Patent number: 4826850
    Abstract: The present invention provides a quinoline base compound represented by the following general formula (1) of: ##STR1## wherein X is CH.sub.2, O or S. Further provided are the process for the preparation of the aforementioned quinoline base compound and an anticancer agent including the same as a pharmacologically efficacious component.
    Type: Grant
    Filed: October 19, 1987
    Date of Patent: May 2, 1989
    Assignee: Mect Corporation
    Inventor: Masatoshi Yamato
  • Patent number: 4656192
    Abstract: New tropolone derivatives of the general formula: ##STR1## wherein R.sup.1 represents H or an alkyl group, R.sup.2 represents an alkyl, aryl, aralkyl or heterocyclic group and R.sup.3 represents an alkoxyl, aryl or heterocyclic group or a group of the formula: ##STR2## or R.sup.2 and R.sup.3 may form together a part of a heterocyclic group, their metal complex salts, processes for the preparation thereof and the use thereof as anti-tumor agents.
    Type: Grant
    Filed: June 14, 1984
    Date of Patent: April 7, 1987
    Assignee: Mect Corporation
    Inventor: Masatoshi Yamato
  • Patent number: 4647412
    Abstract: Provided herein is a butanediol of the formula: ##STR1## wherein R is an alkyl group containing 5-21 carbon atoms or an alkenyl group containing 5-21 carbon atoms and which contains 1-2 unsaturated bonds. The present invention also contemplates a method of preparing such compounds and the use of such compounds as an anti-tumor agent for treating tumors.
    Type: Grant
    Filed: December 18, 1984
    Date of Patent: March 3, 1987
    Assignee: Towa Yakuhin Kabushiki Kaisha
    Inventors: Yoshio Fukui, Masatoshi Yamato, Naoki Umeda, Masahiro Kawasaki