Patents by Inventor Takanobu Takeda

Takanobu Takeda 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: 11958073
    Abstract: According to one embodiment, a deposition method includes preparing a processing substrate in which a lower electrode, a rib, and a partition including a lower portion and an upper portion arranged on the lower portion and protruding from a side surface of the lower portion are formed above a substrate, setting a spread angle of vapor of a first material emitted from a first deposition head to a first angle, and depositing the first material on the processing substrate, and setting a spread angle of vapor of a second material emitted from a second deposition head to a second angle larger than the first angle, and depositing the second material on the processing substrate on which the first material is deposited.
    Type: Grant
    Filed: January 9, 2023
    Date of Patent: April 16, 2024
    Assignee: JAPAN DISPLAY INC.
    Inventors: Takanobu Takenaka, Atsushi Takeda
  • Publication number: 20180282466
    Abstract: Provided is a polymer material for self-assembly capable of reducing defects based on poor microphase separation segments and capable of forming a fine repeating pattern, a self-assembled film, a method of producing a self-assembled film, and a projection and depression pattern. The polymer material for self-assembly according to the present invention contains a polymer compound including a constituent unit of General Formula (1) below and a constituent unit of General Formula (2) below. (In Formula (2), X is a carbon atom or a silicon atom, and p is an integer of 1 or more and 5 or less.
    Type: Application
    Filed: October 29, 2015
    Publication date: October 4, 2018
    Applicant: HORIBA STEC, CO., LTD.
    Inventors: Takanobu TAKEDA, Yukio KAWAGUCHI
  • Publication number: 20170022300
    Abstract: The present invention includes a first raw material feeding unit, a second raw material feeding unit, a reactor unit, and a controller configured to control the amount of a first raw material being fed from the first raw material feeding unit to the reactor unit, the amount of a second raw material being fed from the second raw material feeding unit to the reactor unit, the temperature of the first raw material being fed from the first raw material feeding unit to the reactor unit, and the temperature of the second raw material being fed from the second raw material feeding unit to the reactor unit. The first raw material is raw material monomer solution containing a raw material monomer. The second raw material is polymerization initiator solution containing a polymerization initiator. A reaction product is polymer compound resulting from a living anionic polymerization reaction of the raw material monomer.
    Type: Application
    Filed: December 19, 2014
    Publication date: January 26, 2017
    Applicant: HORIBA STEC, CO., LTD.
    Inventors: Kazuhiro HIRAHARA, Takanobu TAKEDA, Tetsuo SHIMIZU
  • Patent number: 9448482
    Abstract: There is provided a pattern forming method including (1) forming a film by an actinic ray-sensitive or radiation-sensitive resin composition containing a resin (A) capable of increasing the polarity by the action of an acid so that a solubility thereof in a developer containing an organic solvent is decreased, (2) exposing the film, (3) developing the film by a developer including an organic solvent to form a negative pattern having a space part obtained by removing a part of the film and a residual film part which is not removed by the developing, (4) forming a resist film for reversing a pattern, on the negative pattern, so as to be embedded in the space part in the negative pattern, and (5) reversing the negative pattern into a positive pattern by removing the residual film part in the negative pattern by using an alkaline wet etching liquid.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: September 20, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Kaoru Iwato, Takanobu Takeda, Hiroo Takizawa
  • Publication number: 20150253673
    Abstract: There is provided a pattern forming method including (1) forming a film by an actinic ray-sensitive or radiation-sensitive resin composition containing a resin (A) capable of increasing the polarity by the action of an acid so that a solubility thereof in a developer containing an organic solvent is decreased, (2) exposing the film, (3) developing the film by a developer including an organic solvent to form a negative pattern having a space part obtained by removing a part of the film and a residual film part which is not removed by the developing, (4) forming a resist film for reversing a pattern, on the negative pattern, so as to be embedded in the space part in the negative pattern, and (5) reversing the negative pattern into a positive pattern by removing the residual film part in the negative pattern by using an alkaline wet etching liquid.
    Type: Application
    Filed: May 22, 2015
    Publication date: September 10, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Kaoru IWATO, Takanobu TAKEDA, Hiroo TAKIZAWA
  • Patent number: 9075306
    Abstract: A chemically amplified negative resist composition comprises a polymer comprising recurring hydroxystyrene units and recurring styrene units having electron withdrawing groups substituted thereon. In forming a pattern having a fine feature size of less than 0.1 ?m, the composition exhibits a high resolution in that a resist coating formed from the composition can be processed into such a fine size pattern while the formation of bridges between pattern features is minimized.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: July 7, 2015
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Takanobu Takeda, Tamotsu Watanabe, Ryuji Koitabashi, Keiichi Masunaga, Akinobu Tanaka, Osamu Watanabe
  • Patent number: 8889810
    Abstract: An adhesive composition useful in bonding a protective glass with a silicon substrate of a semiconductor device contains (A) an epoxy-containing high-molecular compound and (B) a solvent. The compound (A) has a weight average molecular weight of 3,000 to 500,000 and repeating units represented by the following formula (1): wherein R1 to R4 each represent a monovalent hydrocarbon group, m is 1 to 100, a, b, c and d indicate ratios of respective repeating units based on a number of all repeating units and each stand for 0 or a positive number with a proviso that c and d are not 0 at the same time and 0<(c+d)/(a+b+c+d)?1.0 is satisfied, and X and Y are phenolic hydroxyl-containing, divalent aromatic groups.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: November 18, 2014
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Takanobu Takeda, Kyoko Soga, Satoshi Asai
  • Patent number: 8729148
    Abstract: Disclosed herein is a photocurable dry film including a structure having a photocurable resin layer sandwiched between a support film and a protective film, the photocurable resin layer being formed of a photocurable resin composition including ingredients (A) to (D): (A) a silicone skeleton-containing polymer compound having the repeating units represented by the following general formula (1) wherein X and Y, respectively, a divalent organic group represented by the following general formula (2) or (3) (B) a crosslinking agent selected from formalin-modified or formalin-alcohol-modified amino condensates and phenolic compound having on average two or more methylol groups or alkoxymethylol groups in one molecule; (C) a photoacid generator capable of generating an acid by decomposition with light having a wavelength of 190 to 500 nm; and (D) a solvent.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: May 20, 2014
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Satoshi Asai, Takanobu Takeda, Hideto Kato
  • Patent number: 8697333
    Abstract: A photocurable composition includes: (A) an epoxy group-containing polymer compound having repeating units represented by the following formula (1), where R1 to R4 are each a hydrocarbon group, m is an integer of 1 to 100, a, b, c and d are each 0 or a positive number, such that 0<(c+d)/(a+b+c+d)?1.0, and X and Y are each the formula (2) or (3), provided that at least one group of the formula (3) is present, (B) a photoacid generator represented by the formula (8) ?and (C) a solvent.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: April 15, 2014
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Kyoko Soga, Takanobu Takeda, Hideto Kato
  • Patent number: 8481244
    Abstract: A photo-curable resin composition comprising an epoxy-containing silphenylene or silicone polymer with a Mw of 3,000-500,000 forms a coating which is useful as a protective film for electric/electronic parts.
    Type: Grant
    Filed: September 24, 2010
    Date of Patent: July 9, 2013
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Takanobu Takeda, Hideto Kato
  • Patent number: 8476379
    Abstract: There is disclosed a silphenylene skeleton-containing silicone type polymer comprising a repeating unit represented by the following general formula (1) and having a weight average molecular weight of 5,000 to 40,000. There can be a novel silphenylene skeleton-containing silicone type polymer which enables to satisfy both chemical resistance and adhesiveness to a substrate and can be used as a material for a thermosetting resin for forming coatings for protecting substrates, circuits, and interconnections; and a method for manufacturing the same.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: July 2, 2013
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hiroyuki Yasuda, Takato Sakurai, Takanobu Takeda, Hideto Kato
  • Patent number: 8378148
    Abstract: Bisphenol derivatives having both alcoholic hydroxyl and allyl groups are novel and useful as reagents for modifying organic resins and silicone resins.
    Type: Grant
    Filed: October 5, 2010
    Date of Patent: February 19, 2013
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Takato Sakurai, Michihiro Sugo, Takanobu Takeda, Hideto Kato
  • Patent number: 8367295
    Abstract: Provided are a preparation method of a resist composition which enables stabilization of a dissolution performance of a resist film obtained from the resist composition thus prepared; and a resist composition obtained by the preparation process and showing small lot-to-lot variations in degradation over time. The process of the present invention is for preparing a chemically amplified resist composition containing a binder, an acid generator, a nitrogenous basic substance and a solvent and it has steps of selecting, as the solvent, a solvent having a peroxide content not greater than an acceptable level, and mixing constituent materials of the resist composition in the selected solvent.
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: February 5, 2013
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Keiichi Masunaga, Takanobu Takeda, Tamotsu Watanabe, Satoshi Watanabe, Ryuji Koitabashi, Osamu Watanabe
  • Patent number: 8343694
    Abstract: A photomask blank has a resist film comprising (A) a base resin, (B) an acid generator, and (C) a basic compound. The resist film further comprises (D) a polymer comprising recurring units having a side chain having a fluorinated hydrocarbon group which contains a carbon atom to which a hydroxyl group is bonded and vicinal carbon atoms bonded thereto, the vicinal carbon atoms having in total at least two fluorine atoms bonded thereto. Addition of polymer (D) ensures uniform development throughout the resist film, enabling to form a resist pattern having high CD uniformity.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: January 1, 2013
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Ryuji Koitabashi, Satoshi Watanabe, Takanobu Takeda, Keiichi Masunaga, Tamotsu Watanabe
  • Patent number: 8263308
    Abstract: A polyimide silicone having in the molecule a phenolic hydroxy group in which a part or all of hydrogen atoms are substituted with an acid labile group is provided. The polyimide silicone comprises the unit represented by the formula (1): wherein X is a tetravalent group at least a part of which is a tetravalent organic group represented by the formula (2): wherein R1 is a monovalent hydrocarbon group, R2 is a trivalent group, and n is an integer of 1 to 120 on average; and Y is a divalent organic group at least a part of which is a divalent organic group having a phenolic hydroxy group in which a part or all of hydrogen atoms are substituted with an acid labile group represented by the formula (3): wherein R3 and R4 are a hydrogen atom or an alkyl group, and R5 is an alkyl group, an aryl group, or an aralkyl group.
    Type: Grant
    Filed: March 11, 2010
    Date of Patent: September 11, 2012
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Shohei Tagami, Takanobu Takeda, Michihiro Sugo, Hideto Kato
  • Patent number: 8252518
    Abstract: There is disclosed a chemically amplified positive resist composition to form a chemically amplified resist film to be used in a lithography, wherein the chemically amplified positive resist composition comprises at least, (A) a base resin, insoluble or poorly soluble in an alkaline solution, having a repeating unit whose phenolic ydroxyl group is protected by a tertiary alkyl group, while soluble in an alkaline solution when the tertiary alkyl group is removed; (B) an acid generator; (C) a basic component; and (D) an organic solvent, and a solid component concentration is controlled so that the chemically amplified resist film having the film thickness of 10 to 100 nm is obtained by a spin coating method.
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: August 28, 2012
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Akinobu Tanaka, Takanobu Takeda, Satoshi Watanabe
  • Publication number: 20120213993
    Abstract: An adhesive composition useful in bonding a protective glass with a silicon substrate of a semiconductor device contains (A) an epoxy-containing high-molecular compound and (B) a solvent. The compound (A) has a weight average molecular weight of 3,000 to 500,000 and repeating units represented by the following formula (1): wherein R1 to R4 each represent a monovalent hydrocarbon group, m is 1 to 100, a, b, c and d indicate ratios of respective repeating units based on a number of all repeating units and each stand for 0 or a positive number with a proviso that c and d are not 0 at the same time and 0<(c+d)/(a+b+c+d)?1.0 is satisfied, and X and Y are phenolic hydroxyl-containing, divalent aromatic groups.
    Type: Application
    Filed: February 22, 2012
    Publication date: August 23, 2012
    Inventors: Takanobu TAKEDA, Kyoko SOGA, Satoshi ASAI
  • Patent number: 8202677
    Abstract: There is disclosed a chemically-amplified positive resist composition comprising, as main components, (A) a base polymer, which contains one or more kinds of a monomer unit represented by the following general formula (1) and the like, and is an alkali-insoluble polymer whose hydroxyl group is partly protected by an acetal group while alkali-soluble when deprotected by an acid catalyst, (B) a sulfonium salt containing a sulfonate anion, (C) a basic component, and (D) an organic solvent. In a lithography technology by a photo resist, an extremely high temporal stability is necessary. In addition, it must give a good pattern profile not dependent on a substrate and have a high resolution power. There can be provided a chemically-amplified positive resist composition which can solve these problems simultaneously, a resist patterning process using the same, and a method for producing a photo mask blank.
    Type: Grant
    Filed: June 8, 2009
    Date of Patent: June 19, 2012
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Takanobu Takeda, Satoshi Watanabe, Youichi Ohsawa, Masaki Ohashi, Takeshi Kinsho
  • Patent number: 8193307
    Abstract: A polymer for use in photoresist compositions is synthesized by effecting polymerization reaction to form a polymerization product mixture and subjecting the mixture to molecular weight fractionation by a liquid phase separation technique using a good solvent and a poor solvent. The fractionation step is iterated at least twice, and one iteration of fractionation includes adding a good solvent which is different from the good solvent added in the other iteration of fractionation.
    Type: Grant
    Filed: July 22, 2008
    Date of Patent: June 5, 2012
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Takanobu Takeda, Tamotsu Watanabe
  • Publication number: 20120094222
    Abstract: A photocurable composition includes: (A) an epoxy group-containing polymer compound having repeating units represented by the following formula (1), where R1 to R4 are each a hydrocarbon group, m is an integer of 1 to 100, a, b, c and d are each 0 or a positive number, such that 0<(c+d)/(a+b+c+d)?1.0, and X and Y are each the formula (2) or (3), provided that at least one group of the formula (3) is present, (B) a photoacid generator represented by the formula (8) and (C) a solvent.
    Type: Application
    Filed: October 12, 2011
    Publication date: April 19, 2012
    Inventors: Kyoko SOGA, Takanobu Takeda, Hideto Kato