Patents by Inventor Masaaki Tsuda
Masaaki Tsuda 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: 20240100841Abstract: A liquid discharge apparatus includes a first liquid discharge unit including a first liquid discharge head that moves in a main scanning direction to discharge a liquid onto a recording medium conveyed in a conveyance direction orthogonal to the main scanning direction, a second liquid discharge unit at a different position with the first liquid discharge unit in the conveyance direction and including a second liquid discharge head that moves in the main scanning direction parallel to the first liquid discharge head to discharge a liquid onto the recording medium, a first airflow generator between the first liquid discharge unit and the second liquid discharge unit in the conveyance direction to generate an airflow flowing in the main scanning direction, and a partition plate between the first airflow generator and the second liquid discharge unit in the conveyance direction.Type: ApplicationFiled: September 13, 2023Publication date: March 28, 2024Inventors: Masaaki TSUDA, Norikazu YANASE
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Publication number: 20230219194Abstract: According to an embodiment, an electrodeposition whetstone includes a plating layer, first abrasive grains protruding from the plating layer, and second abrasive grains which are arranged between the first abrasive grains. The amount of protrusion of the second abrasive grains from the plating layer is smaller than the amount of protrusion of the first abrasive grains from the plating layer. A grain size of the second abrasive grains is smaller than a grain size of the first abrasive grains.Type: ApplicationFiled: March 21, 2023Publication date: July 13, 2023Applicant: TOKYO DIAMOND TOOLS MFG. CO., LTD.Inventors: Masaaki TSUDA, Jun KISHIMOTO, Takeshi YAGI
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Publication number: 20220088746Abstract: A synthetic grindstone (100) for chemo-mechanical grinding a wafer S, comprising: an abrasive (101) that contains cerium oxide having an average particle diameter of 10 ?m or less as a main component and has a chemo-mechanical grinding action on the wafer S; a friction promoter (102) that contains a fiber material having a Mohs hardness lower than that of the wafer S and a high friction coefficient as a main component and promotes heat generation; and a binder (103) that contains a phenol resin as a main component and disperses and binds the abrasive (101) and the friction promotor (102).Type: ApplicationFiled: November 30, 2021Publication date: March 24, 2022Applicant: TOKYO DIAMOND TOOLS MFG. CO., LTD.Inventor: Masaaki TSUDA
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Patent number: 10857806Abstract: A liquid discharge apparatus includes a liquid discharge head, a conveyance device, an imaging device, and processing circuitry. The liquid discharge head is configured to discharge liquid to an object to form a liquid application surface. The conveyance device is configured to convey the object. The imaging device is configured to capture a plurality of positions of the object on which the liquid application surface is formed. The processing circuitry is configured to control discharge of the liquid by the liquid discharge head according to a plurality of pieces of different pattern data for forming the liquid application surface, control conveyance of the object by the conveyance device to form the liquid application surface corresponding to the pattern data, and determine a processing method of forming the liquid application surface according to captured images of the plurality of positions captured by the imaging device.Type: GrantFiled: March 17, 2019Date of Patent: December 8, 2020Assignee: Ricoh Company, Ltd.Inventor: Masaaki Tsuda
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Publication number: 20190283446Abstract: A liquid discharge apparatus includes a liquid discharge head, a conveyance device, an imaging device, and processing circuitry. The liquid discharge head is configured to discharge liquid to an object to form a liquid application surface. The conveyance device is configured to convey the object. The imaging device is configured to capture a plurality of positions of the object on which the liquid application surface is formed. The processing circuitry is configured to control discharge of the liquid by the liquid discharge head according to a plurality of pieces of different pattern data for forming the liquid application surface, control conveyance of the object by the conveyance device to form the liquid application surface corresponding to the pattern data, and determine a processing method of forming the liquid application surface according to captured images of the plurality of positions captured by the imaging device.Type: ApplicationFiled: March 17, 2019Publication date: September 19, 2019Inventor: Masaaki TSUDA
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Patent number: 10399363Abstract: A print method includes applying a first ink to a recording medium to form a first ink print layer, drying the first ink print layer to a drying ratio of 30 percent or less, and applying a second ink having a color different from that of the first ink to the first ink print layer to form a second ink print layer thereon, wherein the first ink includes a urethane resin particle and a water-soluble organic solvent having a boiling point of from 100 to 180 degrees C. or ?-alkoxy propionamide of Chemical formula I, where R1 represents a methyl group, an ethyl group, a propyl group, or a butyl group and R2 and R3 each, independently represent alkyl groups having one to six carbon atoms, and the first ink and the second ink includes no organic solvent having a boiling point of 280 degrees C. or higher under 1 atm.Type: GrantFiled: June 27, 2017Date of Patent: September 3, 2019Assignee: Ricoh Company, Ltd.Inventors: Juichi Furukawa, Masaaki Tsuda, Hidefumi Nagashima, Yukihiro Imanaga, Masahiro Kido, Hikaru Kobayashi, Yuta Nakamura
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Patent number: 10119042Abstract: An ink including: water; at least one organic solvent; a polysiloxane surfactant; and acryl-silicone resin particles, where the polysiloxane surfactant has an HLB value of 8 or less.Type: GrantFiled: December 16, 2016Date of Patent: November 6, 2018Assignee: Ricoh Company, Ltd.Inventors: Masahiro Kido, Juichi Furukawa, Hidefumi Nagashima, Yuta Nakamura, Masaaki Tsuda, Hikaru Kobayashi, Yukihiro Imanaga, Michihiko Namba, Hiroaki Takahashi, Takahiro Yoshida
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Publication number: 20180001669Abstract: A print method includes applying a first ink to a recording medium to form a first ink print layer, drying the first ink print layer to a drying ratio of 30 percent or less, and applying a second ink having a color different from that of the first ink to the first ink print layer to form a second ink print layer thereon, wherein the first ink includes a urethane resin particle and a water-soluble organic solvent having a boiling point of from 100 to 180 degrees C. or ?-alkoxy propionamide of Chemical formula I, where R1 represents a methyl group, an ethyl group, a propyl group, or a butyl group and R2 and R3 each, independently represent alkyl groups having one to six carbon atoms, and the first ink and the second ink includes no organic solvent having a boiling point of 280 degrees C. or higher under 1 atm.Type: ApplicationFiled: June 27, 2017Publication date: January 4, 2018Inventors: Juichi FURUKAWA, Masaaki Tsuda, Hidefumi Nagashima, Yukihiro Imanaga, Masahiro Kido, Hikaru Kobayashi, Yuta Nakamura
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Publication number: 20170174919Abstract: An ink including: water; at least one organic solvent; a polysiloxane surfactant; and acryl-silicone resin particles, where the polysiloxane surfactant has an HLB value of 8 or less.Type: ApplicationFiled: December 16, 2016Publication date: June 22, 2017Inventors: Masahiro KIDO, Juichi FURUKAWA, Hidefumi NAGASHIMA, Yuta NAKAMURA, Masaaki TSUDA, Hikaru KOBAYASHI, Yukihiro IMANAGA, Michihiko NAMBA, Hiroaki TAKAHASHI, Takahiro YOSHIDA
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Publication number: 20150166639Abstract: The invention provides agents that promote or inhibit neurite elongation comprising as an active ingredient an antibody that recognizes a varicella-zoster virus immediate-early protein and cross-reacts with a brain-derived neurotrophic factor. The invention also provides methods of utilizing such agents to prevent or treat a nervous disease or a disease with nerve hypersensitivity caused by a condition selected from the group consisting of postherpetic neuralgia, chronic pains, experience-dependent social aversion and stress.Type: ApplicationFiled: February 26, 2015Publication date: June 18, 2015Inventors: Kimiyasu SHIRAKI, Yuka HAMA, Yoshihiro YOSHIDA, Masaaki TSUDA, Tadaharu TSUMOTO, Shunro ENDO, Michiaki TAKAHASHI
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Patent number: 8998196Abstract: An image forming apparatus includes a first roller to come into contact with a first side of a recording medium and a second roller and a third roller to come into contact with a second side of the recording medium opposite the first side. Each of the first roller, the second roller, and the third roller includes a plurality of increased diameter portions and a plurality of decreased diameter portions alternately arranged in an axial direction of each of the first roller, the second roller, and the third roller to produce an uneven outer circumferential surface thereof. The increased diameter portions of the first roller overlap the increased diameter portions of each of the second roller and the third roller, respectively, with a clearance therebetween.Type: GrantFiled: June 18, 2014Date of Patent: April 7, 2015Assignee: Ricoh Company, Ltd.Inventor: Masaaki Tsuda
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Publication number: 20150008636Abstract: An image forming apparatus includes a first roller to come into contact with a first side of a recording medium and a second roller and a third roller to come into contact with a second side of the recording medium opposite the first side. Each of the first roller, the second roller, and the third roller includes a plurality of increased diameter portions and a plurality of decreased diameter portions alternately arranged in an axial direction of each of the first roller, the second roller, and the third roller to produce an uneven outer circumferential surface thereof. The increased diameter portions of the first roller overlap the increased diameter portions of each of the second roller and the third roller, respectively, with a clearance therebetween.Type: ApplicationFiled: June 18, 2014Publication date: January 8, 2015Applicant: RICOH COMPANY, LTD.Inventor: Masaaki Tsuda
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Patent number: 8540337Abstract: A disclosed image forming apparatus is capable of solving the problems of deterioration of a foam application function and driving systems caused by the dried and fixed foam remaining without being applied. The image forming apparatus includes a foam forming section forming foam, a reservoir section supplying foam formed by the foam forming section to an application roller, a discharge channel through which extra foam is collected from the reservoir section, and a heating unit for heating the extra foam to return the extra foam to a liquid form. The discharged liquid prepared by defoaming the foam discharged through the discharge channel is returned to a container containing the defoamed liquid.Type: GrantFiled: December 4, 2008Date of Patent: September 24, 2013Assignee: Ricoh CompanyInventors: Shinji Imoto, Kazuyoshi Matsumoto, Minori Ichimura, Manabu Izumikawa, Yasuhisa Kato, Yasuo Katano, Seiji Hoshino, Masaaki Tsuda
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Publication number: 20100245460Abstract: A disclosed image forming apparatus is capable of solving the problems of deterioration of a foam application function and driving systems caused by the dried and fixed foam remaining without being applied. The image forming apparatus includes a foam forming section forming foam, a reservoir section supplying foam formed by the foam forming section to an application roller, a discharge channel through which extra foam is collected from the reservoir section, and a heating unit for heating the extra foam to return the extra foam to a liquid form. The discharged liquid prepared by defoaming the foam discharged through the discharge channel is returned to a container containing the defoamed liquid.Type: ApplicationFiled: December 4, 2008Publication date: September 30, 2010Inventors: Shinji Imoto, Kazuyoshi Matsumoto, Minori Ichimura, Manabu Izumikawa, Yasuhisa Kato, Yasuo Katano, Seiji Hoshino, Masaaki Tsuda
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Patent number: 7705871Abstract: An image forming apparatus includes an optical writing device. The optical writing device includes an optical writing unit that emits laser light beams toward image carriers, an outer case that accommodates the optical writing unit, and air supplying devices that supply air into the outer case. The outer case includes openings through which the laser light beams pass. Another image forming apparatus includes an optical writing device that emits laser light beams toward image carriers to form latent images thereon, partition members that are interposed between the image carriers and the optical writing device and that have openings elongating along a scanning direction of the optical writing device, and shutter mechanisms including shutter members to open and close the openings. The laser light beams are emitted from the optical writing device toward the image carriers through the openings.Type: GrantFiled: September 20, 2004Date of Patent: April 27, 2010Assignee: Ricoh Company LimitedInventors: Kazuhiko Imamura, Takefumi Adachi, Masaaki Tsuda
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Publication number: 20100047247Abstract: The invention provides agents that promote or inhibit neurite elongation comprising as an active ingredient an antibody that recognizes a varicella-zoster virus immediate-early protein and cross-reacts with a brain-derived neurotrophic factor. The invention also provides methods of utilizing such agents to prevent or treat a nervous disease or a disease with nerve hypersensitivity caused by a condition selected from the group consisting of postherpetic neuralgia, chronic pains, experience-dependent social aversion and stress.Type: ApplicationFiled: November 16, 2007Publication date: February 25, 2010Applicant: THE RESEARCH FOUNDATION FOR MICROBIAL DISEASES OF OSAKA UNIVERSITYInventors: Kimiyasu Shiraki, Yuka Hama, Yoshihiro Yoshida, Masaaki Tsuda, Tadaharu Tsumoto, Shunro Endo, Michiaki Takahashi
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Patent number: 7526223Abstract: A housing in which a heat source for heating a member to be heated is disposable includes a first end and a second end in a longitudinal direction. Each of the first end and the second end is linked to a duct. A blowing unit is provided at the first end of the housing and causes an airflow in a space formed in a state in which the heat source is disposed in the housing. The duct linked to the second end of the housing is formed to extend from the second end. A length of the duct linked to the second end of the housing is longer than a hydraulic diameter by a predetermined number of times or more.Type: GrantFiled: May 1, 2006Date of Patent: April 28, 2009Assignee: Ricoh Company, Ltd.Inventors: Takefumi Adachi, Kazuhiko Imamura, Masaaki Tsuda, Toshio Ishii, Makoto Ando, Yuichi Watanabe
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Patent number: 7302208Abstract: A unit supporting device supports a unit that can be inserted into an accommodating position and pulled out to an operable position while defining a position of the unit with respect to a member opposite to the unit. A configuration for setting a positional relationship between the unit and the member in a process in which the unit is inserted toward the accommodating position is provided on the unit and the member.Type: GrantFiled: March 9, 2005Date of Patent: November 27, 2007Assignee: Ricoh Company, LimitedInventors: Masaaki Tsuda, Tsutomu Katoh
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Publication number: 20060257161Abstract: A housing in which a heat source for heating a member to be heated is disposable includes a first end and a second end in a longitudinal direction. Each of the first end and the second end is linked to a duct. A blowing unit is provided at the first end of the housing and causes an airflow in a space formed in a state in which the heat source is disposed in the housing. The duct linked to the second end of the housing is formed to extend from the second end. A length of the duct linked to the second end of the housing is longer than a hydraulic diameter by a predetermined number of times or more.Type: ApplicationFiled: May 1, 2006Publication date: November 16, 2006Inventors: Takefumi Adachi, Kazuhiko Imamura, Masaaki Tsuda, Toshio Ishii, Makoto Ando, Yuichi Watanabe
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Patent number: D1016110Type: GrantFiled: February 9, 2022Date of Patent: February 27, 2024Assignee: TOKYO DIAMOND TOOLS MFG. CO., LTD.Inventors: Masahiro Suzuki, Masaaki Tsuda