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).
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Publication number: 20250068074Abstract: 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: ApplicationFiled: November 13, 2024Publication date: February 27, 2025Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Takeki SHIMIZU, Tatsuya HIRATA, Suzuka MATSUMOTO
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Patent number: 12174539Abstract: 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: GrantFiled: July 29, 2020Date of Patent: December 24, 2024Assignee: ASAHI KASEI KABUSHIKI KAISHAInventors: Takeki Shimizu, Tatsuya Hirata, Suzuka Matsumoto
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Patent number: 11959116Abstract: 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: GrantFiled: October 26, 2022Date of Patent: April 16, 2024Assignee: ASAHI KASEI PHARMA CORPORATIONInventors: Takeshi Matsuoka, Tatsuya Hirata, Masaru Yamakoshi
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Publication number: 20240114113Abstract: 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: ApplicationFiled: September 28, 2023Publication date: April 4, 2024Applicant: DENSO WAVE INCORPORATEDInventors: Marie MAEKAWA, Tatsuya HIRATA
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Patent number: 11640112Abstract: 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: GrantFiled: September 21, 2021Date of Patent: May 2, 2023Assignee: ASAHI KASEI KABUSHIKI KAISHAInventors: Tomohiro Yorisue, Tatsuya Hirata, Takahiro Sasaki
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Publication number: 20230125968Abstract: 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: ApplicationFiled: October 26, 2022Publication date: April 27, 2023Applicant: Asahi Kasei Pharma CorporationInventors: Takeshi MATSUOKA, Tatsuya HIRATA, Masaru YAMAKOSHI
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Publication number: 20220291585Abstract: 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: ApplicationFiled: July 29, 2020Publication date: September 15, 2022Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Takeki SHIMIZU, Tatsuya HIRATA, Suzuka MATSUMOTO
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Publication number: 20220011669Abstract: 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: ApplicationFiled: September 21, 2021Publication date: January 13, 2022Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Tomohiro YORISUE, Tatsuya HIRATA, Takahiro SASAKI
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Patent number: 11163234Abstract: 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: GrantFiled: August 17, 2017Date of Patent: November 2, 2021Assignee: ASAHI KASEI KABUSHIKI KAISHAInventors: Tomohiro Yorisue, Mitsutaka Nakamura, Taihei Inoue, Tatsuya Hirata, Takahiro Sasaki
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Publication number: 20210294213Abstract: 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: ApplicationFiled: July 18, 2019Publication date: September 23, 2021Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Tatsuya HIRATA, Kohei MURAKAMI, Takanobu FUJIOKA
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Publication number: 20180373147Abstract: 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: ApplicationFiled: August 17, 2017Publication date: December 27, 2018Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Tomohiro YORISUE, Mitsutaka NAKAMURA, Taihei INOUE, Tatsuya HIRATA, Takahiro SASAKI
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Publication number: 20170102613Abstract: 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: ApplicationFiled: December 22, 2016Publication date: April 13, 2017Applicant: ASAHI KASEI E-MATERIALS CORPORATIONInventors: Satoshi SHIBUI, Tatsuya HIRATA, Takahiro SASAKI, Taisuke YAMADA
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Patent number: 9575410Abstract: 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: GrantFiled: December 6, 2012Date of Patent: February 21, 2017Assignee: ASAHI KASEI E-MATERIALS CORPORATIONInventors: Satoshi Shibui, Tatsuya Hirata, Takahiro Sasaki, Taisuke Yamada
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Publication number: 20140349222Abstract: 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: ApplicationFiled: December 6, 2012Publication date: November 27, 2014Applicant: ASAHI KASEI E-MATERIALS CORPORATIONInventors: Satoshi Shibui, Tatsuya Hirata, Takahiro Sasaki, Taisuke Yamada
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Patent number: 8057779Abstract: 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: GrantFiled: October 18, 2007Date of Patent: November 15, 2011Assignee: Daikin Industries, Ltd.Inventors: Hitoshi Yoshimi, Tatsuya Hirata, Tomohiro Isogai, Takashi Shibanuma
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Patent number: 7812380Abstract: 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: GrantFiled: September 26, 2008Date of Patent: October 12, 2010Assignee: Panasonic CorporationInventors: Tatsuya Hirata, Motonari Katsuno
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Publication number: 20100166638Abstract: 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: ApplicationFiled: October 18, 2007Publication date: July 1, 2010Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Hitoshi Yoshimi, Tatsuya Hirata, Tomohiro Isogai, Takashi Shibanuma
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Patent number: 7745859Abstract: 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: GrantFiled: January 9, 2007Date of Patent: June 29, 2010Assignee: Panasonic CorporationInventors: Tatsuya Hirata, Shouzi Tanaka, Ryohei Miyagawa, Kazunari Koga
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Patent number: 7696546Abstract: 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: GrantFiled: January 17, 2008Date of Patent: April 13, 2010Assignee: Panasonic CorporationInventors: Tatsuya Hirata, Shouzi Tanaka, Ryohei Miyagawa
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Patent number: 7601878Abstract: 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: GrantFiled: March 16, 2007Date of Patent: October 13, 2009Assignee: Daikin Industries, Ltd.Inventors: Tatsuya Hirata, Kouzou Noda, Jun Miki