Patents by Inventor Yukio Fujiwara
Yukio Fujiwara 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: 20250033261Abstract: To provide an injection molding device capable of injection-molding a molded article in a tubular shape with a constant inner diameter by using a core with a simple structure with no draft angle.Type: ApplicationFiled: July 26, 2024Publication date: January 30, 2025Inventors: Yukio MIYAKOSHI, Tetsuro HOSAKA, Koshi SATO, Takahiro OI, Yo KOBAYASHI, Hiroshi OTAGURO, Kazuhisa FUJIWARA
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Patent number: 12064984Abstract: A printed matter producing method includes forming an intermediate layer over a base material; applying an ink receiving layer forming liquid to the intermediate layer to form an ink receiving layer; and applying an ink to the ink receiving layer by an inkjet method to form an image. The viscosity of the ink receiving layer forming liquid at 25 degrees C. is 40 mPa·s or higher.Type: GrantFiled: June 1, 2020Date of Patent: August 20, 2024Assignee: Ricoh Company, Ltd.Inventors: Yuuma Usui, Mikiko Takada, Yukio Fujiwara
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Patent number: 11827004Abstract: A method for producing a foamed body includes: forming a foamed layer precursor including applying a coating liquid onto a base to form a liquid film and applying an ink onto the liquid film by an inkjet method, where the coating liquid contains a foaming agent and an active energy ray curable material having a radical-polymerizable functional group, the active energy ray curable material contains a multifunctional active energy ray curable material having two or more radical-polymerizable functional groups, and the ink contains a foaming accelerator having a radical-polymerizable functional group; and foaming a desired position of the foamed layer precursor by heating to form a foamed layer. A functional group equivalent of the radical-polymerizable functional group in the foaming accelerator is greater than a functional group equivalent of the radical-polymerizable functional group in the active energy ray curable material.Type: GrantFiled: March 1, 2021Date of Patent: November 28, 2023Assignee: Ricoh Company, Ltd.Inventors: Yukio Fujiwara, Yuuma Usui
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Publication number: 20220258517Abstract: A printed matter producing method includes forming an intermediate layer over a base material; applying an ink receiving layer forming liquid to the intermediate layer to form an ink receiving layer; and applying an ink to the ink receiving layer by an inkjet method to form an image. The viscosity of the ink receiving layer forming liquid at 25 degrees C. is 40 mPa·s or higher.Type: ApplicationFiled: June 1, 2020Publication date: August 18, 2022Applicant: Ricoh Company, Ltd.Inventors: Yuuma Usui, Mikiko Takada, Yukio Fujiwara
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Publication number: 20220161585Abstract: A method produces a printed product, where the method includes applying a curable composition including a volume expansion agent and a polymerizable compound, to form a volume expansion layer; applying a colorant composition including a colorant, to form a colorant layer; and applying energy to the volume expansion layer and the colorant layer.Type: ApplicationFiled: March 9, 2020Publication date: May 26, 2022Inventors: Yukio FUJIWARA, Yuuma Usui
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Publication number: 20210292509Abstract: A method for producing a foamed body includes: forming a foamed layer precursor including applying a coating liquid onto a base to form a liquid film and applying an ink onto the liquid film by an inkjet method, where the coating liquid contains a foaming agent and an active energy ray curable material having a radical-polymerizable functional group, the active energy ray curable material contains a multifunctional active energy ray curable material having two or more radical-polymerizable functional groups, and the ink contains a foaming accelerator having a radical-polymerizable functional group; and foaming a desired position of the foamed layer precursor by heating to form a foamed layer. A functional group equivalent of the radical-polymerizable functional group in the foaming accelerator is greater than a functional group equivalent of the radical-polymerizable functional group in the active energy ray curable material.Type: ApplicationFiled: March 1, 2021Publication date: September 23, 2021Inventors: Yukio FUJIWARA, Yuuma USUI
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Patent number: 11104158Abstract: A printing method includes applying a foaming agent composition containing a foaming agent to form a foaming agent layer, applying a foaming inhibitor composition containing a foaming inhibitor onto the foaming agent layer, curing the foaming agent layer with irradiation of active energy, and heating the foaming agent layer to foam the foaming agent layer, wherein the foaming agent composition has a viscosity of from 50 to 1,500 mPa·s at 25 degrees C. and the absolute difference between the static surface tension of the foaming agent composition and the static surface tension of the foaming inhibitor composition is 5 mN/m or less.Type: GrantFiled: July 14, 2020Date of Patent: August 31, 2021Assignee: RICOH COMPANY, LTD.Inventors: Yukio Fujiwara, Yuuma Usui
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Publication number: 20210162789Abstract: Provided is a printed matter producing method including a foaming liquid layer forming step of applying a foaming agent-containing composition, which contains: a foaming agent; and a polymerizable compound containing a multifunctional monomer, over a print target, to form a foaming liquid layer, a defoaming agent applying step of applying a defoaming agent containing a polymerizable compound selectively over the foaming liquid layer, a defoaming agent curing step of curing the defoaming agent applied, a foaming step of heating the foaming liquid layer after the defoaming agent curing step to foam the foaming liquid layer, and a curing step of performing curing by electron beam irradiation after the foaming step.Type: ApplicationFiled: November 25, 2020Publication date: June 3, 2021Inventors: Yukio FUJIWARA, Yuuma USUI
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Publication number: 20210138818Abstract: Provided is printed matter producing method including: forming a foamable layer containing a foaming agent; applying a defoaming agent to a predetermined region of the foamable layer to bring the defoaming agent into contact with the foamable layer; forming an ink receiving layer over the foamable layer to which the defoaming agent is applied; acquiring image data and shape data representing a shape of a bossed-recessed region of the foamable layer after foamed, and generating print data assigning a greater amount of an ink to a portion in the image data corresponding to an inclined portion of the bossed-recessed region based on the shape data; applying an ink over the ink receiving layer based on the print data to form an image; and applying energy to the foamable layer to form bosses and recesses.Type: ApplicationFiled: October 26, 2020Publication date: May 13, 2021Inventors: Yuuma USUI, Yukio FUJIWARA, Mikiko TAKADA
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Publication number: 20210129566Abstract: Provided is a printed matter producing method including: a foamable layer forming step of forming a foamable layer containing a foaming agent, an ink receiving layer forming step of forming an ink receiving layer containing a polymer of a polymerizable compound a over the foamable layer, an image forming step of applying an ink containing a colorant and a polymerizable compound b over the ink receiving layer to form an image, and a foaming step of heating the foamable layer to foam the foamable layer.Type: ApplicationFiled: October 13, 2020Publication date: May 6, 2021Inventors: Yuuma USUI, Masakazu YOSHIDA, Yukio FUJIWARA, Mikiko TAKADA
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Publication number: 20210129524Abstract: Provided is a printed matter producing method including: a volume expansion layer forming step of forming a volume expansion layer containing a volume expansion agent; a volume expansion suppressor applying step of applying and contacting a volume expansion suppressor containing a multifunctional monomer to the volume expansion layer while increasing an amount of the multifunctional monomer to be applied to a predetermined region of the volume expansion layer in accordance with a degree of suppressing volume expansion of the predetermined region of the volume expansion layer; and a volume expanding step of heating the volume expansion layer after the volume expansion suppressor applying step to volume-expand the volume expansion layer.Type: ApplicationFiled: October 26, 2020Publication date: May 6, 2021Inventors: Yukio FUJIWARA, Yuuma USUI, Mikiko TAKADA, Masakazu YOSHIDA, Takuma NAKAMURA, Itsuki KAN
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Publication number: 20210016579Abstract: A printing method includes applying a foaming agent composition containing a foaming agent to form a foaming agent layer, applying a foaming inhibitor composition containing a foaming inhibitor onto the foaming agent layer, curing the foaming agent layer with irradiation of active energy, and heating the foaming agent layer to foam the foaming agent layer, wherein the foaming agent composition has a viscosity of from 50 to 1,500 mPa·s at 25 degrees C. and the absolute difference between the static surface tension of the foaming agent composition and the static surface tension of the foaming inhibitor composition is 5 mN/m or less.Type: ApplicationFiled: July 14, 2020Publication date: January 21, 2021Inventors: Yukio Fujiwara, Yuuma Usui
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Patent number: 10688704Abstract: Moving servo motors of molds in synchronization with the operations of platens which enables fine patterns or shapes to be formed even on a large molded article. A mold clamping device forms patterns or the like on a molded article by detecting a mold position of a second platen among first, second, third platens with digital mold opening/closing position detector, and driving servo motors for molds of the molds in synchronization with a digital mold opening/closing position signal from the digital mold opening/closing position detector.Type: GrantFiled: December 26, 2016Date of Patent: June 23, 2020Assignee: The Japan Steel Works, Ltd.Inventors: Masanosuke Ikegaya, Yukio Fujiwara, Kazunari Suzuki, Toshimitsu Okuoka
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Publication number: 20190022910Abstract: Moving servo motors of molds in synchronization with the operations of platens which enables fine patterns or shapes to be formed even on a large molded article. A mold clamping device forms patterns or the like on a molded article by detecting a mold position of a second platen among first, second, third platens with digital mold opening/closing position detector, and driving servo motors for molds of the molds in synchronization with a digital mold opening/closing position signal from the digital mold opening/closing position detector.Type: ApplicationFiled: December 26, 2016Publication date: January 24, 2019Inventors: Masanosuke IKEGAYA, Yukio FUJIWARA, Kazunari SUZUKI, Toshimitsu OKUOKA
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Patent number: 10124287Abstract: Provided herein is a method for improving a gas recovery rate during generation of a high-purity gas. The method includes providing three or more adsorption towers filled with an adsorbent that adsorbs an adsorption target gas. Performing a pressure lowering equalization process in a first adsorption tower in which an adsorption process has been finished, and in a source gas supply state in which a source gas is supplied to at least a second adsorption tower in which a pressure increasing equalization process has been finished and the adsorption process is to be subsequently performed; and transferring a non-adsorbed gas from an upper portion of the first adsorption tower to the upper portion of the second adsorption tower, thereby performing an adsorption and pressure lowering equalization process in the first adsorption tower and an adsorption and pressure increasing equalization process in the second adsorption tower.Type: GrantFiled: June 26, 2015Date of Patent: November 13, 2018Assignee: Osaka Gas Co., Ltd.Inventors: Hiroshi Tanaka, Yukio Fujiwara, Tamotsu Kotani
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Patent number: 9874916Abstract: A device registration apparatus includes: a transmitting unit that transmits, to an electric device, a state shift command for shifting the electric device to a specific state; a receiving unit that receives, from a power feed tap, tap identification information, electric-power information that indicates an electric power measured at each outlet, and outlet identification information for identifying an outlet that corresponds to each piece of the electric-power information; a determining unit that, when, in the electric-power information that is received during a predetermined time period after the state shift command is transmitted, electric power information of only one outlet indicates a change in an electric power when the electric device shifts to the specific state, determines that the electric device is connected to the outlet; and an associating unit that stores device identification information in association with outlet identification information on the outlet and the tap identification information.Type: GrantFiled: June 25, 2014Date of Patent: January 23, 2018Assignee: RICOH COMPANY, LIMITEDInventors: Yukio Fujiwara, Hidenori Tomono, Hideaki Aratani
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Publication number: 20170322286Abstract: A positioning system includes a plurality of beacon modules and a communication device. Further, the communication device includes a calculation unit calculating action state data that are used for determining an action state of a user who carries the communication device; a searching unit selectively searching for one of the beacon modules in accordance with the action state of the user, the action state being determined based on the action state data calculated by the calculation unit, and a derivation unit deriving positional information of the user based on a response signal transmitted from the one of the beacon modules having been searched for by the searching unit.Type: ApplicationFiled: November 18, 2014Publication date: November 9, 2017Applicant: Ricoh Company, Ltd.Inventors: Fumio YOSHIZAWA, Takeo TSUKAMOTO, Keisuke KONISHI, Yusuke MATSUSHITA, Takanori INADOME, Kenji KAMEYAMA, Katsuya YAMAMOTO, Yukio FUJIWARA, Hideaki ARATANI, Ryohsuke KAMIMURA, Hiroto HIGUCHI, Daisuke HATA, Juuta KON, Tomoyo NARITA
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Publication number: 20170144101Abstract: Provided herein is a method for improving a gas recovery rate during generation of a high-purity gas. The method includes providing three or more adsorption towers filled with an adsorbent that adsorbs an adsorption target gas. Performing a pressure lowering equalization process in a first adsorption tower in which an adsorption process has been finished, and in a source gas supply state in which a source gas is supplied to at least a second adsorption tower in which a pressure increasing equalization process has been finished and the adsorption process is to be subsequently performed; and transferring a non-adsorbed gas from an upper portion of the first adsorption tower to the upper portion of the second adsorption tower, thereby performing an adsorption and pressure lowering equalization process in the first adsorption tower and an adsorption and pressure increasing equalization process in the second adsorption tower.Type: ApplicationFiled: June 26, 2015Publication date: May 25, 2017Inventors: Hiroshi Tanaka, Yukio Fujiwara, Tamotsu Kotani
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Patent number: 9500683Abstract: An arbitration device comprises a determining unit that determines priority of each of a plurality of electrical devices according to at least either a position or an action status of a person present in a target area for control; and a calculating unit that calculates electrical power to be allotted to each of the electrical devices in such a way that a total of electrical power allotted to a plurality of the electrical devices is within a limit value and the electrical devices having the priority at high levels are allotted with electrical power on a priority basis.Type: GrantFiled: March 4, 2014Date of Patent: November 22, 2016Assignee: RICOH COMPANY, LTD.Inventors: Yukio Fujiwara, Kenji Kameyama, Hidenori Tomono, Takeo Tsukamoto, Fumio Yoshizawa, Keisuke Konishi, Takanori Inadome, Hideaki Aratani, Juuta Kon, Hirotaka Nitta, Toshiki Suzuki
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Publication number: 20160290806Abstract: An information processing device includes: a posture change determining unit that determines, based on an output value of an inertial sensor, whether a posture state of a moving object has changed; a reference orientation generating unit that, when it is determined that the posture state of the moving object has changed from a first posture state into a second posture state, generates a reference orientation corresponding to an orientation of the moving object at that time calculated from the output value of the inertial sensor; and an orientation error calculating unit that, when it is determined that the posture state of the moving object has changed from the second posture state into the first posture state, calculates an error of an orientation of the moving object according to the reference orientation, and an orientation at that time calculated from the output value of the inertial sensor.Type: ApplicationFiled: October 20, 2014Publication date: October 6, 2016Inventors: Keisuke KONISHI, Takeo TSUKAMOTO, Fumio YOSHIZAWA, Yusuke MATSUSHITA, Takanori INADOME, Kenji KAMEYAMA, Katsuya YAMAMOTO, Yukio FUJIWARA, Hideaki ARATANI, Ryohsuke KAMIMURA, Hiroto HIGUCHI, Daisuke HATA, Juuta KON, Tomoyo NARITA