Patents by Inventor Ryo Fujisawa
Ryo Fujisawa 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: 20240092724Abstract: Provided is a compound that can be used for a resin for a resist having excellent sensitivity, resolution, and etching resistance, or the like, by a compound represented by the following formula (1): (wherein R1 represents a hydrogen atom or a methyl group, R2 represents an aliphatic hydrocarbon group having 1 to 6 carbon atoms, m represents an integer of 0 to 5, and n represents an integer of 0 to 4).Type: ApplicationFiled: October 13, 2023Publication date: March 21, 2024Applicant: Maruzen Petrochemical Co., Ltd.Inventors: Satoshi KAKUTA, Hiromitsu BABA, Teruyo IKEDA, Ryo FUJISAWA, Kazuhiko HABA
-
Patent number: 11919850Abstract: Provided is a compound that can be used for a resin for a resist having excellent sensitivity, resolution, and etching resistance, or the like, by a compound represented by the following formula (1): (wherein R1 represents a hydrogen atom or a methyl group, R2 represents an aliphatic hydrocarbon group having 1 to 6 carbon atoms, m represents an integer of 0 to 5, and n represents an integer of 0 to 4).Type: GrantFiled: February 20, 2019Date of Patent: March 5, 2024Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Satoshi Kakuta, Hiromitsu Baba, Teruyo Ikeda, Ryo Fujisawa, Kazuhiko Haba
-
Patent number: 11914760Abstract: Provided is an information processing device, and an information processing method for curbing occurrence of a feeling of strangeness in augmented reality in a use environment for a plurality of people. Position information indicating the self position of an AR device that outputs an AR object that is shown to the user as if the AR object existed in real space is acquired by the AR technology, and a deviation weight which is an evaluation value indicating how easily a plurality of users recognizes that an arrangement position of the AR object is deviated from each other on the basis of position information of a plurality of the AR devices and the arrangement position of the AR object. Then, the output method of the AR object is adjusted according to the deviation weight to make it difficult to recognize occurrence of the deviation.Type: GrantFiled: June 5, 2020Date of Patent: February 27, 2024Assignee: SONY GROUP CORPORATIONInventors: Keijiroh Nagano, Hidenori Aoki, Haruka Fujisawa, Fujio Arai, Ryo Fukazawa, Tomohiko Gotoh
-
Patent number: 11814351Abstract: Provided is a compound that can be used for a resin for a resist having excellent sensitivity, resolution, and etching resistance, or the like, by a compound represented by the following formula (1): (wherein R1 represents a hydrogen atom or a methyl group, R2 represents an aliphatic hydrocarbon group having 1 to 6 carbon atoms, m represents an integer of 0 to 5, and n represents an integer of 0 to 4).Type: GrantFiled: February 20, 2019Date of Patent: November 14, 2023Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Satoshi Kakuta, Hiromitsu Baba, Teruyo Ikeda, Ryo Fujisawa, Kazuhiko Haba
-
Patent number: 11725078Abstract: [Problem to be Solved] To Provide a method for producing an acid-decomposable polymer having a reduced metal ion content, which suppresses decomposition and deprotection of the acid-decomposable polymer. [Means to Solve the Problem] The method for producing an acid-decomposable polymer according to the present invention comprises the steps of: preparing a polymer solution comprising an acid-decomposable polymer; washing an acidic cation exchanger with an organic solvent until the water content in the organic solvent discharged from the acidic cation exchanger falls to 400 ppm or less; and passing the polymer solution through the washed acidic cation exchanger to reduce the metal ion content of the polymer.Type: GrantFiled: June 5, 2020Date of Patent: August 15, 2023Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Tomohiro Masukawa, Ryo Fujisawa
-
Publication number: 20230242467Abstract: Provided are a 4-hydroxystyrene solution with high purity and good storage stability that is suitable as a source for producing a 4-hydroxystyrene polymer on a commercial scale, and a method of producing the solution. The method of producing a 4-hydroxystyrene solution of the present invention includes the following steps (i) to (iv): (i) deprotection step for contacting 4-acetoxystyrene with a base in a solvent to produce 4-hydroxystyrene; (ii) neutralization step for adding an acid to the solution containing 4-hydroxystyrene after deprotection to neutralize the solution; (iii) step for washing the solution containing 4-hydroxystyrene after neutralization with water; and (iv) solvent replacement step for adding a solvent that can dissolve 4-hydroxystyrene to the solution containing 4-hydroxystyrene followed by distillation at 40° C. or lower to remove other components than 4-hydroxystyrene and excess solvent.Type: ApplicationFiled: June 18, 2021Publication date: August 3, 2023Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventors: Yuma HAKODA, Ryo FUJISAWA, Kazuhiko HABA, Daisuke TABATA, Yoshiyuki FURUYA, Ryo SATO, Tomo OIKAWA
-
Publication number: 20210024690Abstract: [Problem to be Solved] To Provide a method for producing an acid-decomposable polymer having a reduced metal ion content, which suppresses decomposition and deprotection of the acid-decomposable polymer. [Means to Solve the Problem] The method for producing an acid-decomposable polymer according to the present invention comprises the steps of: preparing a polymer solution comprising an acid-decomposable polymer; washing an acidic cation exchanger with an organic solvent until the water content in the organic solvent discharged from the acidic cation exchanger falls to 400 ppm or less; and passing the polymer solution through the washed acidic cation exchanger to reduce the metal ion content of the polymer.Type: ApplicationFiled: June 5, 2020Publication date: January 28, 2021Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventors: Tomohiro MASUKAWA, Ryo FUJISAWA
-
Publication number: 20200392066Abstract: Provided is a compound that can be used for a resin for a resist having excellent sensitivity, resolution, and etching resistance, or the like, by a compound represented by the following formula (1): (wherein R1 represents a hydrogen atom or a methyl group, R2 represents an aliphatic hydrocarbon group having 1 to 6 carbon atoms, m represents an integer of 0 to 5, and n represents an integer of 0 to 4).Type: ApplicationFiled: February 20, 2019Publication date: December 17, 2020Applicant: Maruzen Petrochrmical Co., Ltd.Inventors: Satoshi KAKUTA, Hiromitsu BABA, Teruyo IKEDA, Ryo FUJISAWA, Kazuhiko HABA
-
Patent number: 10766973Abstract: Provided is a method for producing a polymer for an electronic material having a low content of metal ion impurities and a polymer for an electronic material obtained by such method. The method for producing a polymer for an electronic material according to the present invention comprises a polymerization step of obtaining a polymer by polymerizing a monomer(s) and a purification step of adding a strong acid having 0 or less pKa to the polymer solution and subsequently performing an ion exchange treatment to reduce the concentration of the metal ion impurities.Type: GrantFiled: April 15, 2016Date of Patent: September 8, 2020Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Tomohiro Masukawa, Ryo Fujisawa, Kazuhiko Haba, Satoshi Kakuta
-
Patent number: 10184359Abstract: A waste heat recovery device including: a heater which evaporates an working medium by exchanging heat between supercharging air supplied to an engine and the working medium; a heat exchanger which heats the working medium by exchanging heat between the working medium which has flowed out from the heater and a heating medium; and an expander into which the working medium which has flowed out from the heat exchanger flows; a motive power recovery device; a condenser which condenses the working medium; and a pump which sends the working medium to a heater.Type: GrantFiled: March 19, 2015Date of Patent: January 22, 2019Assignees: Kobe Steel, Ltd., MIURA Co., Ltd., ASAHI SHIPPING CO., LTD., TSUNEISHI SHIPBUILDING Co., Ltd.Inventors: Ryo Fujisawa, Kazuo Takahashi, Yuji Tanaka, Shigeto Adachi, Yutaka Narukawa
-
Publication number: 20180134819Abstract: Provided is a method for producing a polymer for an electronic material having a low content of metal ion impurities and a polymer for an electronic material obtained by such method. The method for producing a polymer for an electronic material according to the present invention comprises a polymerization step of obtaining a polymer by polymerizing a monomer(s) and a purification step of adding a strong acid having 0 or less pKa to the polymer solution and subsequently performing an ion exchange treatment to reduce the concentration of the metal ion impurities.Type: ApplicationFiled: April 15, 2016Publication date: May 17, 2018Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventors: Tomohiro MASUKAWA, Ryo FUJISAWA, Kazuhiko HABA, Satoshi KAKUTA
-
Patent number: 9732637Abstract: A waste heat recovery system includes: a heater which evaporates a working medium by exchanging heat between supercharged air supplied to an engine and the working medium; an expander which expands the working medium which has flowed out from the heater; a power recovery device connected to the expander; a condenser which condenses the working medium which has flowed out from the expander; a cooling medium supply pipe for supplying a cooling medium to an air cooler which cools the supercharged air which has flowed out from the heater; a cooling medium pump which is provided in the cooling medium supply pipe and which sends the cooling medium to the air cooler; and a branch pipe which bifurcates a part of the cooling medium flowing in the cooling medium supply pipe, to the condenser, in such a manner that the working medium is cooled by the cooling medium.Type: GrantFiled: March 19, 2015Date of Patent: August 15, 2017Assignees: Kobe Steel, Ltd., MIURA Co., Ltd., ASAHI SHIPPING CO., LTD., TSUNEISHI SHIPBUILDING Co., Ltd.Inventors: Yuji Tanaka, Kazuo Takahashi, Ryo Fujisawa, Shigeto Adachi, Yutaka Narukawa
-
Patent number: 9726049Abstract: Disclosed is a waste heat recovery apparatus which comprises: a gas-liquid separator; an expander into which a gaseous working medium separated by the gas-liquid separator flows; a driven machine; a condenser; a first pump; a first heater; a circulation flow passage for serially connecting the gas-liquid separator, the expander, the condenser, the first pump and the first heater in this order; a heat recovery flow passage for allowing a liquid working medium discharged from the gas-liquid separator to merge with the working medium flowing in a portion between the first heater and the gas-liquid separator in the circulation flow passage; and a second pump.Type: GrantFiled: January 20, 2014Date of Patent: August 8, 2017Assignee: Kobe Steel, Ltd.Inventors: Akira Kishimoto, Ryo Fujisawa, Makoto Nishimura
-
Patent number: 9625191Abstract: The condensing apparatus 71 includes: a compressor 10 which has a compression part 20 compressing a working fluid; a condenser 13 which condenses the working fluid compressed by the compression part 20; and a spray mechanism 81 including a nozzle 82 which sprays a cooling fluid into a fluid passage 91 to cool the working fluid flowing through the fluid passage 91 between a discharge opening CS2 of the compression part 20 and an inlet 13a of the condenser 13.Type: GrantFiled: April 13, 2012Date of Patent: April 18, 2017Assignees: Tokyo Electric Power Company, Incorporated, Chubu Electric Power Company, Incorporated, THE KANSAI ELECTRIC POWER CO., INC., Kobe Steel, Ltd., DANISH TECHNOLOGICAL INSTITUTE, JOHNSON CONTROLS DENMARK APSInventors: Ryo Fujisawa, Masatake Toshima, Yoshihiro Nakayama, Yoshitaka Baba, Satoshi Ide, Koichiro Iizuka, Kunihiko Suto, Hiroshi Egawa, Ichirou Sakuraba, Daisuke Hayashi, Keiji Sugano, Hans Madsboll, Klaus Damgaard Kristensen
-
Patent number: 9494154Abstract: The refrigerator includes: a cooling-water line having a cooling-water pump to thereby send water for cooling a refrigerant inside of a condenser; a lubricating-water supply line connecting the part downstream from the cooling-water pump on the cooling-water line and a compressor 4 and supplying water flowing through the cooling-water line as a lubricant to the compressor 4; and a backup portion supplying water to the lubricating-water supply line instead of supplying water from the cooling-water line when the cooling-water pump is not driven.Type: GrantFiled: March 15, 2011Date of Patent: November 15, 2016Assignees: Tokyo Electric Power Company, Incorporated, Chubu Electric Power Company, Incorporated, THE KANSAI ELECTRIC POWER CO., INC., KABUSHI KAISHA KOBE SEIKO SHO, DANISH TECHNOLOGICAL INSTITUTE, JOHNSON CONTROLS DENMARK APSInventors: Ryo Fujisawa, Masatake Toshima, Toshikatsu Kanemura, Yoshihiro Nakayama, Koichiro Iizuka, Satoshi Ide, Kunihiko Suto, Kazutaka Kurashige, Ichirou Sakuraba, Daisuke Hayashi, Keiji Sugano, Shinji Shato, Hans Madsboll, Klaus Damgaard Kristensen
-
Publication number: 20160017761Abstract: Disclosed is a waste heat recovery apparatus which comprises: a gas-liquid separator; an expander into which a gaseous working medium separated by the gas-liquid separator flows; a driven machine; a condenser; a first pump; a first heater; a circulation flow passage for serially connecting the gas-liquid separator, the expander, the condenser, the first pump and the first heater in this order; a heat recovery flow passage for allowing a liquid working medium discharged from the gas-liquid separator to merge with the working medium flowing in a portion between the first heater and the gas-liquid separator in the circulation flow passage; and a second pump.Type: ApplicationFiled: January 20, 2014Publication date: January 21, 2016Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Akira KISHIMOTO, Ryo FUJISAWA, Makoto NISHIMURA
-
Patent number: 9206818Abstract: An axial flow compressor includes: an electric motor including a rotating shaft; a compression portion including a driving shaft connected without a speed-up gear to the rotating shaft of the electric motor and a rotor rotating together with the driving shaft, the compression portion driving the driving shaft and thereby compressing a working fluid; and a velocity reducing portion having a space for reducing the flow velocity of a working fluid discharged from a discharge opening of the compression portion. The rotating shaft of the electric motor is connected to the end of the driving shaft on the side of the discharge opening; and the velocity reducing portion is disposed so as to surround the electric motor.Type: GrantFiled: March 15, 2011Date of Patent: December 8, 2015Assignees: Tokyo Electric Power Company, Incorporated, Chuba Electric Power Company, Incorporated, THE KANSAI ELECTRIC POWER CO., INC., KABUSHIKI KAISHA KOBE SEIKO SHO, DANISH TECHNOLOGICAL INSTITUTE, JOHNSON CONTROLS DENMARK APSInventors: Yoshihiro Nakayama, Yoshitaka Baba, Satoshi Ide, Koichiro Iizuka, Ryo Fujisawa, Masatake Toshima, Kunihiko Suto, Kazutaka Kurashige, Hiroshi Egawa, Ichirou Sakuraba, Daisuke Hayashi, Keiji Sugano, Svend Rasmussen, Ziad Al-Janabi, Finn Jensen, Lars Bay Moller, Hans Madsboll, Christian Svarregaard-Jensen, Klaus Damgaard Kristensen
-
Patent number: 9188135Abstract: An axial flow compressor includes: a rotor having a rotor vane; a first pressing member joined to one end surface of the rotor; a second pressing member joined to the other end surface of the rotor; a rotor shaft portion penetrating the first pressing member, the rotor and the second pressing member; and a nut which fixes the first pressing member and the second pressing member on the rotor shaft portion with the first pressing member and the second pressing member holding the rotor between. The rotor shaft portion is made of a material having a lower linear expansion coefficient than that of a material making at least a part of the rotor. The material making at least a part of the rotor may be aluminum or aluminum alloy.Type: GrantFiled: March 15, 2011Date of Patent: November 17, 2015Assignees: Tokyo Electric Power Company, Incorporated, Chubu Electric Power Company, Incorporated, THE KANSAI ELECTRIC POWER CO., INC., KABUSHIKI KAISHA KOBE SEIKO SHO, DANISH TECHNOLOGICAL INSTITUTE, JOHNSON CONTROLS DENMARK APSInventors: Yoshihiro Nakayama, Yoshitaka Baba, Satoshi Ide, Koichiro Iizuka, Ryo Fujisawa, Masatake Toshima, Kunihiko Suto, Kazutaka Kurashige, Ichirou Sakuraba, Daisuke Hayashi, Keiji Sugano, Svend Rasmussen, Ziad Al-Janabi, Finn Jensen, Lars Bay Moller, Hans Madsboll, Christian Svarregaard-Jensen, Klaus Damgaard Kristensen
-
Publication number: 20150285103Abstract: A waste heat recovery system includes: a heater which evaporates a working medium by exchanging heat between supercharged air supplied to an engine and the working medium; an expander which expands the working medium which has flowed out from the heater; a power recovery device connected to the expander; a condenser which condenses the working medium which has flowed out from the expander; a cooling medium supply pipe for supplying a cooling medium to an air cooler which cools the supercharged air which has flowed out from the heater; a cooling medium pump which is provided in the cooling medium supply pipe and which sends the cooling medium to the air cooler; and a branch pipe which bifurcates a part of the cooling medium flowing in the cooling medium supply pipe, to the condenser, in such a manner that the working medium is cooled by the cooling medium.Type: ApplicationFiled: March 19, 2015Publication date: October 8, 2015Applicants: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), MIURA Co., Ltd., ASAHI SHIPPING CO., LTD., TSUNEISHI SHIPBUILDING Co., Ltd.Inventors: Yuji TANAKA, Kazuo TAKAHASHI, Ryo FUJISAWA, Shigeto ADACHI, Yutaka NARUKAWA
-
Publication number: 20150285102Abstract: A waste heat recovery device including: a heater which evaporates an working medium by exchanging heat between supercharging air supplied to an engine and the working medium; a heat exchanger which heats the working medium by exchanging heat between the working medium which has flowed out from the heater and a heating medium; and an expander into which the working medium which has flowed out from the heat exchanger flows; a motive power recovery device; a condenser which condenses the working medium; and a pump which sends the working medium to a heater.Type: ApplicationFiled: March 19, 2015Publication date: October 8, 2015Applicants: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), MIURA Co., Ltd., ASAHI SHIPPING CO., LTD., TSUNEISHI SHIPBUILDING Co., Ltd.Inventors: Ryo FUJISAWA, Kazuo TAKAHASHI, Yuji TANAKA, Shigeto ADACHI, Yutaka NARUKAWA