Patents by Inventor Masatoshi Echigo

Masatoshi Echigo 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: 20210070683
    Abstract: The present invention provides a compound having a specific structure represented by the following formula (0), a resin having a constituent unit derived from the compound, various compositions containing the compound and/or the resin, and various methods using the compositions.
    Type: Application
    Filed: November 30, 2017
    Publication date: March 11, 2021
    Inventor: Masatoshi ECHIGO
  • Publication number: 20210070727
    Abstract: The present invention provides a compound represented by following formula (0):
    Type: Application
    Filed: January 16, 2018
    Publication date: March 11, 2021
    Inventor: Masatoshi ECHIGO
  • Publication number: 20210070685
    Abstract: The present invention provides a compound having a specific structure represented by the following formula (0), a resin having a constituent unit derived from the compound, various compositions containing the compound and/or the resin, and various methods using the compositions.
    Type: Application
    Filed: November 30, 2017
    Publication date: March 11, 2021
    Inventor: Masatoshi ECHIGO
  • Publication number: 20210063880
    Abstract: The present invention provides a resist composition comprising one or more tannin compounds selected from the group consisting of a tannin comprising at least one acid dissociation reactive group in the structure and a derivative thereof, and a resin obtained using the tannin or the derivative as a monomer, and a pattern formation method using the same, a compound and a resin.
    Type: Application
    Filed: March 30, 2018
    Publication date: March 4, 2021
    Inventors: Hiroto KUDO, Takashi SATO, Masatoshi ECHIGO
  • Publication number: 20210055651
    Abstract: An optical component forming composition is provided containing a compound represented by the following formula (1): [LxTe(OR1)y]??(1) wherein: L is a ligand other than OR1; R1 is any of: a hydrogen atom; a substituted or unsubstituted, linear alkyl group having 1 to 20 carbon atoms, or branched or cyclic alkyl group having 3 to 20 carbon atoms; a substituted or unsubstituted aryl group having 6 to 20 carbon atoms; a substituted or unsubstituted alkenyl group having 2 to 20 carbon atoms; and a substituted or unsubstituted alkynyl group having 2 to 20 carbon atoms; x is an integer of 0 to 6; y is an integer of 0 to 6; a sum of x and y is 1 to 6; when x is 2 or more, a plurality of L may be the same or different; and when y is 2 or more, a plurality of R1 may be the same or different.
    Type: Application
    Filed: April 26, 2019
    Publication date: February 25, 2021
    Inventors: Takashi SATO, Masatoshi ECHIGO
  • Publication number: 20210047457
    Abstract: An object of the present invention is to provide a compound and the like that are applicable to a wet process and are useful for forming a photoresist and an underlayer film for photoresists excellent in heat resistance, solubility, and etching resistance. A compound represented by the following formula (1) can solve the problem described above.
    Type: Application
    Filed: January 18, 2019
    Publication date: February 18, 2021
    Inventors: Masatoshi ECHIGO, Yu OKADA, Tomoaki TAKIGAWA, Takashi MAKINOSHIMA
  • Publication number: 20210040290
    Abstract: The present invention provides a composition capable of forming a film having high etching resistance, as well as a method for forming a resist pattern and a method for forming an insulating film, using the composition. A composition comprising a base material (A) and a polyphenol compound (B), wherein the mass ratio between the base material (A) and the polyphenol compound (B) is 5:95 to 95:5. A method for forming an insulating film, comprising the step of: developing the photoresist layer after the radiation irradiation.
    Type: Application
    Filed: January 31, 2019
    Publication date: February 11, 2021
    Inventors: Takashi SATO, Masatoshi ECHIGO
  • Publication number: 20210018841
    Abstract: A composition for resist underlayer film formation, containing a compound represented by the following formula (1). [LxTe(OR1)y]??(1) (In the above formula (1), L is a ligand other than OR1; R1 is any of a hydrogen atom, a substituted or unsubstituted, linear alkyl group having 1 to 20 carbon atoms or branched or cyclic alkyl group having 3 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms and a substituted or unsubstituted alkenyl group having 2 to 20 carbon atoms; x is an integer of 0 to 6; y is an integer of 0 to 6; the total of x and y is 1 to 6; when x is 2 or more, a plurality of L may be the same or different; and when y is 2 or more, a plurality of R1 may be the same or different.
    Type: Application
    Filed: April 26, 2019
    Publication date: January 21, 2021
    Inventors: Takashi SATO, Masatoshi ECHIGO, Takashi MAKINOSHIMA
  • Publication number: 20210003921
    Abstract: A compound represented by the following formula (0).
    Type: Application
    Filed: November 21, 2018
    Publication date: January 7, 2021
    Inventors: Masatoshi ECHIGO, Takashi MAKINOSHIMA
  • Publication number: 20200409261
    Abstract: The present invention employs a compound represented by the following formula (1) and/or a resin comprising the compound as a constituent: wherein R1 is a 2n-valent group of 1 to 60 carbon atoms or a single bond; R2 to R5 are each independently a linear, branched, or cyclic alkyl group of 1 to 10 carbon atoms, an aryl group of 6 to 10 carbon atoms, an alkenyl group of 2 to 10 carbon atoms, an alkoxy group of 1 to 30 carbon atoms, a halogen atom, a thiol group, a hydroxy group, or a group in which a hydrogen atom of a hydroxy group is replaced with an acid dissociation group, provided that at least one selected from R2 to R5 is a group in which a hydrogen atom of a hydroxy group is replaced with an acid dissociation group; m2 and m3 are each independently an integer of 0 to 8; m4 and m3 are each independently an integer of 0 to 9, provided that m2, m3, m4, and m3 are not 0 at the same time; n is an integer of 1 to 4; and p2 to p5 are each independently an integer of 0 to 2.
    Type: Application
    Filed: September 14, 2020
    Publication date: December 31, 2020
    Inventors: Takumi TOIDA, Youko SHIMIZU, Takashi MAKINOSHIMA, Takashi SATO, Masatoshi ECHIGO
  • Publication number: 20200361843
    Abstract: A compound represented by the following formula (1).
    Type: Application
    Filed: January 31, 2019
    Publication date: November 19, 2020
    Inventors: Takashi MAKINOSHIMA, Junya HORIUCHI, Masatoshi ECHIGO
  • Publication number: 20200354501
    Abstract: A composition for film formation for lithography of the present invention comprises at least one selected from the group consisting of an aromatic hydrocarbon formaldehyde resin and a modified aromatic hydrocarbon formaldehyde resin, wherein the aromatic hydrocarbon formaldehyde resin is a product of condensation reaction between an aromatic hydrocarbon having a substituted or unsubstituted benzene ring and formaldehyde, and the modified aromatic hydrocarbon formaldehyde resin is formed by modifying the aromatic hydrocarbon formaldehyde resin.
    Type: Application
    Filed: November 16, 2018
    Publication date: November 12, 2020
    Inventors: Takashi MAKINOSHIMA, Masatoshi ECHIGO, Yasushi MIKI
  • Patent number: 10816898
    Abstract: The present invention employs a compound represented by the following formula (1) and/or a resin comprising the compound as a constituent: wherein R1 is a 2n-valent group of 1 to 60 carbon atoms or a single bond; R2 to R5 are each independently a linear, branched, or cyclic alkyl group of 1 to 10 carbon atoms, an aryl group of 6 to 10 carbon atoms, an alkenyl group of 2 to 10 carbon atoms, an alkoxy group of 1 to 30 carbon atoms, a halogen atom, a thiol group, a hydroxy group, or a group in which a hydrogen atom of a hydroxy group is replaced with an acid dissociation group, provided that at least one selected from R2 to R5 is a group in which a hydrogen atom of a hydroxy group is replaced with an acid dissociation group; m2 and m3 are each independently an integer of 0 to 8; m4 and m5 are each independently an integer of 0 to 9, provided that m2, m3, m4, and m5 are not 0 at the same time; n is an integer of 1 to 4; and p2 to p5 are each independently an integer of 0 to 2.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: October 27, 2020
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Takumi Toida, Youko Shimizu, Takashi Makinoshima, Takashi Sato, Masatoshi Echigo
  • Publication number: 20200262787
    Abstract: The present invention provides an optical component forming composition comprising a tellurium-containing compound or a tellurium-containing resin.
    Type: Application
    Filed: April 28, 2017
    Publication date: August 20, 2020
    Inventors: Masatoshi ECHIGO, Tomoaki TAKIGAWA, Takumi TOIDA, Takashi SATO
  • Patent number: 10747112
    Abstract: The present invention provides a compound represented by following formula (1), wherein R1 represents a 2n-valent group having 1 to 30 carbon atoms, each of R2 to R5 independently represents a straight, branched or cyclic alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, an alkoxy group having 1 to 30 carbon atoms, a halogen atom, a thiol group or a hydroxyl group, provided that at least one selected from R1 to R5 represents a group including an iodine atom and at least one R4 and/or at least one R5 represent/represents one or more selected from the group consisting of a hydroxyl group and a thiol group, each of m2 and m3 independently represents an integer of 0 to 8, each of m4 and m5 independently represents an integer of 0 to 9, provided that m4 and m5 do not represent 0 at the same time, n represents an integer of 1 to 4, and each of p2 to p5 independently represents an integer of 0 to 2.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: August 18, 2020
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Takumi Toida, Masatoshi Echigo, Takashi Makinoshima
  • Patent number: 10745372
    Abstract: A compound represented by the following formula (1): wherein each X independently represents an oxygen atom or a sulfur atom, or non-crosslinking, R1 represents a single bond or a 2n-valent group having 1 to 30 carbon atoms, the group may have an alicyclic hydrocarbon group, a double bond, a hetero atom, or an aryl group having 6 to 30 carbon atoms, each R2 independently represents a straight, branched or cyclic alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, an alkoxy group having 1 to 30 carbon atoms, an aryloxy group having 6 to 30 carbon atoms, or a hydroxyl group, in which at least one R2 represents an alkoxy group having 1 to 30 carbon atoms or an aryloxy group having 6 to 30 carbon atoms, each m is independently an integer of 1 to 6, each p is independently 0 or 1, and n is an integer of 1 to 4.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: August 18, 2020
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Takumi Toida, Masatoshi Echigo, Takashi Sato, Takashi Makinoshima
  • Publication number: 20200257195
    Abstract: A composition for lithography, comprising a compound represented by following formula (1): [LxTe(OR1)y]??(1) wherein L represents a ligand other than OR1; R1 represents any one of a hydrogen atom, a substituted or unsubstituted, linear alkyl group having 1 to 20 carbon atoms or branched or cyclic alkyl group having 3 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms and a substituted or unsubstituted alkenyl group having 2 to 20 carbon atoms; x represents an integer of 0 to 6; y represents an integer of 0 to 6; a total of x and y represents 1 to 6; when x represents 2 or more, a plurality of L may be the same or different from each other, and when y represents 2 or more, a plurality of R1 may be the same or different from each other.
    Type: Application
    Filed: September 28, 2018
    Publication date: August 13, 2020
    Inventors: Hiroto KUDO, Masatoshi ECHIGO, Takashi SATO
  • Publication number: 20200247739
    Abstract: The present invention provides a compound, a resin and a composition that are excellent in solvent solubility, are applicable to a wet process, are excellent in heat resistance and etching resistance, and are useful for forming a film for lithography. The present invention also provides pattern formation methods using the composition. The present invention further provides a method for purifying the compound and the resin. A composition comprising a compound having a specific structure and/or a resin having a constituent unit derived from the compound is used.
    Type: Application
    Filed: February 21, 2018
    Publication date: August 6, 2020
    Inventors: Yasushi MIKI, Takashi MAKINOSHIMA, Masatoshi ECHIGO
  • Publication number: 20200249573
    Abstract: The present invention provides a composition for resist underlayer film formation comprising a tellurium-containing compound or a tellurium-containing resin.
    Type: Application
    Filed: April 28, 2017
    Publication date: August 6, 2020
    Inventors: Takumi TOIDA, Takashi MAKINOSHIMA, Takashi SATO, Masatoshi ECHIGO
  • Patent number: 10723690
    Abstract: A (meth)acryloyl compound represented by the following formula (A): wherein X is a 2m-valent group having 1 to 60 carbon atoms or a single bond; each Z is independently an oxygen atom, a sulfur atom, or not a crosslink; each R1 is independently a linear, branched, or cyclic alkyl group having 1 to 30 carbon atoms, an aryl group having 6 to 30 carbon atoms and optionally having a substituent, an alkenyl group having 2 to 30 carbon atoms and optionally having a substituent, an alkoxy group having 1 to 30 carbon atoms and optionally having a substituent, a halogen atom, a nitro group, an amino group, a carboxylic acid group, a thiol group, a hydroxy group, or a group in which a hydrogen atom of a hydroxy group is replaced with a vinylphenylmethyl group, wherein the alkyl group, the aryl group, the alkenyl group, or the alkoxy group optionally contains an ether bond, a ketone bond, or an ester bond; each R1A is independently a methyl group or a hydrogen atom; each k is independently an integer of 0 to 2, pr
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: July 28, 2020
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventor: Masatoshi Echigo