Patents by Inventor Tatsuya Hirata

Tatsuya Hirata 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: 20250068074
    Abstract: Provided are a negative photosensitive resin composition which exhibits satisfactory resolution even when shifts occur in focus depth, and which has satisfactory adhesion to a mold resin and exhibits a low dielectric constant; a method for producing a polyimide using the photosensitive resin composition; a method for producing a cured relief pattern; and a semiconductor device including the cured relief pattern. Disclosed is a negative photosensitive resin composition including a polyimide precursor having a structure represented by general formula (A1), (B) a photopolymerization initiator, and (C) a solvent.
    Type: Application
    Filed: November 13, 2024
    Publication date: February 27, 2025
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Takeki SHIMIZU, Tatsuya HIRATA, Suzuka MATSUMOTO
  • Patent number: 12174539
    Abstract: To provide a negative photosensitive resin composition which exhibits satisfactory resolution even when shifts occur in focus depth, and which has satisfactory adhesion to a mold resin and exhibits a low dielectric constant; a method for producing a polyimide using the photosensitive resin composition; a method for producing a cured relief pattern; and a semiconductor device including the cured relief pattern. Disclosed is a negative photosensitive resin composition including a polyimide precursor having a structure represented by general formula (A1), (B) a photopolymerization initiator, and (C) a solvent.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: December 24, 2024
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Takeki Shimizu, Tatsuya Hirata, Suzuka Matsumoto
  • Patent number: 11959116
    Abstract: The present invention addresses the problem of providing a method for producing nicotinamide mononucleotide, that produces nicotinamide mononucleotide using a single enzyme and using nucleoside monophosphate, pyrophosphate, and nicotinamide as starting materials. This problem is solved by a nicotinamide mononucleotide production method that includes at least the following steps 1) and 2): 1) a first step of producing phosphoribosyl diphosphate by the action of substantially one enzyme on nucleoside monophosphate and pyrophosphate; and 2) a second step of producing nicotinamide mononucleotide by the action of only substantially the aforementioned one enzyme on nicotinamide and the phosphoribosyl diphosphate that is the product of the first step.
    Type: Grant
    Filed: October 26, 2022
    Date of Patent: April 16, 2024
    Assignee: ASAHI KASEI PHARMA CORPORATION
    Inventors: Takeshi Matsuoka, Tatsuya Hirata, Masaru Yamakoshi
  • Publication number: 20240114113
    Abstract: A monitoring system comprises a monitoring device, a terminal device that has an imaging function and transmits identification information, and the monitoring center. The monitoring device performs an authentication process of the terminal device based on the identification information received, and transmits first information that associates an authentication time, region information for specifying a monitoring region, and the identification information received. The terminal device transmits second information that associates an image in the monitoring region captured, a capture time of the image, and the identification information.
    Type: Application
    Filed: September 28, 2023
    Publication date: April 4, 2024
    Applicant: DENSO WAVE INCORPORATED
    Inventors: Marie MAEKAWA, Tatsuya HIRATA
  • Patent number: 11640112
    Abstract: A negative-type photosensitive resin composition that has a satisfactory imidization rate and can yield a resin layer with high chemical resistance, even under low-temperature curing conditions of 200° C. or below, the negative-type photosensitive resin composition containing a photopolymerization initiator (B) in a proportion of 0.1 part by mass to 20 parts by mass with respect to 100 parts by mass of a polyimide precursor (A), the polyimide precursor (A) being a polyamic acid ester or polyamic acid salt with a specific structure, and the weight-average molecular weight (Mw) of the polyimide precursor (A) being 3,000 or greater and less than 16,000, in terms of polystyrene, according to gel permeation chromatography (GPC).
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: May 2, 2023
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Tomohiro Yorisue, Tatsuya Hirata, Takahiro Sasaki
  • Publication number: 20230125968
    Abstract: The present invention addresses the problem of providing a method for producing nicotinamide mononucleotide, that produces nicotinamide mononucleotide using a single enzyme and using nucleoside monophosphate, pyrophosphate, and nicotinamide as starting materials. This problem is solved by a nicotinamide mononucleotide production method that includes at least the following steps 1) and 2): 1) a first step of producing phosphoribosyl diphosphate by the action of substantially one enzyme on nucleoside monophosphate and pyrophosphate; and 2) a second step of producing nicotinamide mononucleotide by the action of only substantially the aforementioned one enzyme on nicotinamide and the phosphoribosyl diphosphate that is the product of the first step.
    Type: Application
    Filed: October 26, 2022
    Publication date: April 27, 2023
    Applicant: Asahi Kasei Pharma Corporation
    Inventors: Takeshi MATSUOKA, Tatsuya HIRATA, Masaru YAMAKOSHI
  • Publication number: 20220291585
    Abstract: To provide a negative photosensitive resin composition which exhibits satisfactory resolution even when shifts occur in focus depth, and which has satisfactory adhesion to a mold resin and exhibits a low dielectric constant; a method for producing a polyimide using the photosensitive resin composition; a method for producing a cured relief pattern; and a semiconductor device including the cured relief pattern. Disclosed is a negative photosensitive resin composition including a polyimide precursor having a structure represented by general formula (A1), (B) a photopolymerization initiator, and (C) a solvent.
    Type: Application
    Filed: July 29, 2020
    Publication date: September 15, 2022
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Takeki SHIMIZU, Tatsuya HIRATA, Suzuka MATSUMOTO
  • Publication number: 20220011669
    Abstract: A negative-type photosensitive resin composition that has a satisfactory imidization rate and can yield a resin layer with high chemical resistance, even under low-temperature curing conditions of 200° C. or below, the negative-type photosensitive resin composition containing a photopolymerization initiator (B) in a proportion of 0.1 part by mass to 2.
    Type: Application
    Filed: September 21, 2021
    Publication date: January 13, 2022
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Tomohiro YORISUE, Tatsuya HIRATA, Takahiro SASAKI
  • Patent number: 11163234
    Abstract: A negative-type photosensitive resin composition that has a satisfactory imidization rate and can yield a resin layer with high chemical resistance, even under low-temperature curing conditions of 200° C. or below, the negative-type photosensitive resin composition containing a photopolymerization initiator (B) in a proportion of 0.1 part by mass to 20 parts by mass with respect to 100 parts by mass of a polyimide precursor (A), the polyimide precursor (A) being a polyamic acid ester or polyamic acid salt with a specific structure, and the weight-average molecular weight (Mw) of the polyimide precursor (A) being 3,000 or greater and less than 16,000, in terms of polystyrene, according to gel permeation chromatography (GPC).
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: November 2, 2021
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Tomohiro Yorisue, Mitsutaka Nakamura, Taihei Inoue, Tatsuya Hirata, Takahiro Sasaki
  • Publication number: 20210294213
    Abstract: Provided are a negative photosensitive resin composition and a method for forming a cured relief pattern using the same with which a high chemical resistance and resolution can be obtained and in which the occurrence of voids in the interface of a Cu layer contacting a resin layer after high-temperature storage evaluation can be suppressed. Provided is a negative photosensitive resin composition including (A) a polyimide precursor represented by general formula (1) below; (B) a compound having at least one selected from a urethane bond and a urea bond; and (C) a photopolymerization initiator. In the formula, X1, Y1, n1, R1, and R2 are each as defined in the description of the present application.
    Type: Application
    Filed: July 18, 2019
    Publication date: September 23, 2021
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Tatsuya HIRATA, Kohei MURAKAMI, Takanobu FUJIOKA
  • Publication number: 20180373147
    Abstract: A negative-type photosensitive resin composition that has a satisfactory imidization rate and can yield a resin layer with high chemical resistance, even under low-temperature curing conditions of 200° C. or below, the negative-type photosensitive resin composition containing a photopolymerization initiator (B) in a proportion of 0.1 part by mass to 20 parts by mass with respect to 100 parts by mass of a polyimide precursor (A), the polyimide precursor (A) being a polyamic acid ester or polyamic acid salt with a specific structure, and the weight-average molecular weight (Mw) of the polyimide precursor (A) being 3,000 or greater and less than 16,000, in terms of polystyrene, according to gel permeation chromatography (GPC).
    Type: Application
    Filed: August 17, 2017
    Publication date: December 27, 2018
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Tomohiro YORISUE, Mitsutaka NAKAMURA, Taihei INOUE, Tatsuya HIRATA, Takahiro SASAKI
  • Publication number: 20170102613
    Abstract: Provided is a photosensitive resin composition which comprises: (A-1) a resin containing a structure represented by general formula (1); and (B) a photo-acid generating agent. In general formula (1), X, R1 to R7, m1 to m4, n1, n2, Y and W are each as defined in the description.
    Type: Application
    Filed: December 22, 2016
    Publication date: April 13, 2017
    Applicant: ASAHI KASEI E-MATERIALS CORPORATION
    Inventors: Satoshi SHIBUI, Tatsuya HIRATA, Takahiro SASAKI, Taisuke YAMADA
  • Patent number: 9575410
    Abstract: Provided is a photosensitive resin composition which comprises: (A-1) a resin containing a structure represented by general formula (1); and (B) a photo-acid generating agent. In general formula (1), X, R1 to R7, m1 to m4, n1, n2, Y and W are each as defined in the description.
    Type: Grant
    Filed: December 6, 2012
    Date of Patent: February 21, 2017
    Assignee: ASAHI KASEI E-MATERIALS CORPORATION
    Inventors: Satoshi Shibui, Tatsuya Hirata, Takahiro Sasaki, Taisuke Yamada
  • Publication number: 20140349222
    Abstract: Provided is a photosensitive resin composition which comprises: (A-1) a resin containing a structure represented by general formula (1); and (B) a photo-acid generating agent. In general formula (1), X, R1 to R7, m1 to m4, n1, n2, Y and W are each as defined in the description.
    Type: Application
    Filed: December 6, 2012
    Publication date: November 27, 2014
    Applicant: ASAHI KASEI E-MATERIALS CORPORATION
    Inventors: Satoshi Shibui, Tatsuya Hirata, Takahiro Sasaki, Taisuke Yamada
  • Patent number: 8057779
    Abstract: There is provided a process for the production of iodine pentafluoride which avoids the problems of the production process of iodine pentafluoride of the prior art as much as possible, and which carries out the reaction of fluorine and iodine moderately, so that iodine pentafluoride is produced more safely and more productively. In the process for the production of iodine pentafluoride by reacting fluorine and iodine, fluorine is supplied to the gas phase 14 which is adjacent to the liquid phase 12 of iodine pentafluoride which contains iodine.
    Type: Grant
    Filed: October 18, 2007
    Date of Patent: November 15, 2011
    Assignee: Daikin Industries, Ltd.
    Inventors: Hitoshi Yoshimi, Tatsuya Hirata, Tomohiro Isogai, Takashi Shibanuma
  • Patent number: 7812380
    Abstract: A solid-state imaging device of the present invention includes: a semiconductor substrate including a first region of a first conductivity type; a signal accumulation region of a second conductivity type formed within the first region; a gate electrode formed above the first region; a drain region of a second conductivity type formed on the first region; an isolation region having insulation properties, which is formed to surround a region where the signal accumulation region, the gate electrode, and the drain region are formed; a first conductivity type dopant doping region formed in contact with a side face and a bottom face of the isolation region, the first conductivity type dopant doping region having a higher dopant concentration than the first region; and a second conductivity type dopant doping region formed in the first region, under an end of the gate electrode in a gate width direction.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: October 12, 2010
    Assignee: Panasonic Corporation
    Inventors: Tatsuya Hirata, Motonari Katsuno
  • Publication number: 20100166638
    Abstract: There is provided a process for the production of iodine pentafluoride which avoids the problems of the production process of iodine pentafluoride of the prior art as much as possible, and which carries out the reaction of fluorine and iodine moderately, so that iodine pentafluoride is produced more safely and more productively. In the process for the production of iodine pentafluoride by reacting fluorine and iodine, fluorine is supplied to the gas phase 14 which is adjacent to the liquid phase 12 of iodine pentafluoride which contains iodine.
    Type: Application
    Filed: October 18, 2007
    Publication date: July 1, 2010
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hitoshi Yoshimi, Tatsuya Hirata, Tomohiro Isogai, Takashi Shibanuma
  • Patent number: 7745859
    Abstract: A solid-state image sensing apparatus has a signal storage portion of a second conductivity type provided within a substrate, a surface shield layer of the first conductivity type provided in a surface portion of the substrate which is located above the signal storage portion, a gate electrode provided over the substrate in adjacent relation to at least one end of the signal storage portion, and a drain region of the second conductivity type provided in a surface portion of the substrate which is on the side opposite to the surface shield layer when viewed from the gate electrode. A read control layer of the first conductivity type is further provided in a surface portion of the substrate which is located under the gate electrode in adjacent relation to one end of the surface shield layer.
    Type: Grant
    Filed: January 9, 2007
    Date of Patent: June 29, 2010
    Assignee: Panasonic Corporation
    Inventors: Tatsuya Hirata, Shouzi Tanaka, Ryohei Miyagawa, Kazunari Koga
  • Patent number: 7696546
    Abstract: A silicide layer (first silicide layer, second silicide layer) is laminated on top laminate surfaces of gates of a transmission transistor and a reset transistor, respectively. Each of the first silicide layer and the second silicide layer respectively formed on each of the gates extends in a direction along the main surface of the semiconductor substrate among at least a portion of a plurality of image pixels, connecting gates with one another among the respective image pixels. On the other hand, a signal outputter is not in contact with any silicide layers, has the top laminate surface that is covered with an insulating layer, and is connected with other transistors via a metal wiring layer.
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: April 13, 2010
    Assignee: Panasonic Corporation
    Inventors: Tatsuya Hirata, Shouzi Tanaka, Ryohei Miyagawa
  • Patent number: 7601878
    Abstract: A solid catalyst used in, for example, production of a perfluoroalkyl iodide telomer is effectively and continuously recovered and the recovered catalyst is continuously recycled to the reactor for reuse. A slurry containing a reaction product and the catalyst is drawn from the reaction system, and the catalyst in the drawn slurry is classified by means of a hydrocyclone, whereby a high-concentration slurry whose catalyst concentration is higher than that of the drawn slurry and a low-concentration slurry whose catalyst concentration is lower than that of the drawn slurry are obtained, and the high-concentration slurry is recycled to the reaction system.
    Type: Grant
    Filed: March 16, 2007
    Date of Patent: October 13, 2009
    Assignee: Daikin Industries, Ltd.
    Inventors: Tatsuya Hirata, Kouzou Noda, Jun Miki