Patents by Inventor Yuichi Shiraishi
Yuichi Shiraishi 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: 20240108379Abstract: Provided is a medical device capable of easily changing a position of the device inside a biological lumen and effectively removing a cut object. The medical device for removing the object in the biological lumen has a drive shaft, a cutting portion, a first housing that accommodates the drive shaft to be rotatable, a second housing that is rotatable with respect to the first housing, and a support portion that supports the first housing and the second housing. The second housing and the support portion relatively move along an axis to restrict relative rotation of the first housing and the second housing. The support portion supports the second housing to be rotatable around the axis.Type: ApplicationFiled: December 15, 2023Publication date: April 4, 2024Applicant: TERUMO KABUSHIKI KAISHAInventors: Mizuho SHIRAISHI, Yuichi TADA, Akihiro TAKAHASHI
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Patent number: 11451122Abstract: A method for manufacturing a laminated iron core product includes laminating a plurality of iron core members which are punched from a first metal plate to form a laminate, removing oil adhering to the laminate, removing oil adhering to an end surface plate which is punched from a second metal plate, and disposing the end surface plate on an end surface of the laminate and welding the end surface plate and the laminate.Type: GrantFiled: November 5, 2019Date of Patent: September 20, 2022Assignee: MITSUI HIGH-TEC, INC.Inventors: Jin Oda, Akinori Mizuno, Yuichi Shiraishi
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Publication number: 20200198588Abstract: There is provided a wiper device a wiper device for wiping a surface of a window portion of a vehicle with an imaging device disposed adjacent to the window portion, wherein accuracy of image capturing by the imaging device can be improved. A semi-pantograph wiper assembly 2A on a driver's seat side and a wiper assembly 2B on a passenger's seat side are provided on a surface of the window portion 1 of the vehicle. Both of imaging areas 7A, 7B of the imaging device (camera) for driving assistance are disposed within an overlap area 6 in which a wiping area 5A of a wiper blade 3A of the wiper assembly 2A and a wiping area 5B of a wiper blade 3B of the wiper assembly 2B overlap.Type: ApplicationFiled: May 29, 2018Publication date: June 25, 2020Inventor: Yuichi SHIRAISHI
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Publication number: 20200177064Abstract: A method for manufacturing a laminated iron core product includes laminating a plurality of iron core members which are punched from a first metal plate to form a laminate, removing oil adhering to the laminate, removing oil adhering to an end surface plate which is punched from a second metal plate, and disposing the end surface plate on an end surface of the laminate and welding the end surface plate and the laminate.Type: ApplicationFiled: November 5, 2019Publication date: June 4, 2020Applicant: MITSUI HIGH-TEC, INC.Inventors: Jin ODA, Akinori MIZUNO, Yuichi SHIRAISHI
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Patent number: 9902372Abstract: There is provided a wiper arm including a head cover attached to an arm head and securely preventing the head cover from coming off the arm head. A wiper arm (1) includes an engaging protrusion (19) which extends upward and is disposed on a step section (18) formed at a lower end of a dent section (17) formed on a side surface of an arm head (2), and a protruding engagement section (27) formed near a lower end of an inner surface of a side wall (23) of a head cover (4). An opening section (27A) opening downward is formed in the protruding engagement section (27). The engaging protrusion (19) fits into the opening section (27A) along a vertical direction, namely, a direction along the side wall (23). The open end of the side wall (23) of the head cover (4) is thereby prevented from being widened outward so that the head cover (4) is prevented from coming off the arm head (2).Type: GrantFiled: June 24, 2014Date of Patent: February 27, 2018Assignee: NIPPON WIPER BLADE CO., LTD.Inventors: Katsuhiro Ouchi, Yuichi Shiraishi
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Publication number: 20160272156Abstract: There is provided a wiper arm including a head cover attached to an arm head and securely preventing the head cover from coming off the arm head. A wiper arm (1) includes an engaging protrusion (19) which extends upward and is disposed on a step section (18) formed at a lower end of a dent section (17) formed on a side surface of an arm head (2), and a protruding engagement section (27) formed near a lower end of an inner surface of a side wall (23) of a head cover (4). An opening section (27A) opening downward is formed in the protruding engagement section (27). The engaging protrusion (19) fits into the opening section (27A) along a vertical direction, namely, a direction along the side wall (23). The open end of the side wall (23) of the head cover (4) is thereby prevented from being widened outward so that the head cover (4) is prevented from coming off the arm head (2).Type: ApplicationFiled: June 24, 2014Publication date: September 22, 2016Inventors: Katsuhiro OUCHI, Yuichi SHIRAISHI
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Publication number: 20150360648Abstract: A wiper arm including an arm main body pivotably connected to an arm head is provided in which the rotation angle of the arm main body is appropriately restricted while minimizing changes of the structure of the wiper arm from that of a wiper arm capable capable to be positioned in its locked back condition. A wiper arm 1 includes a retainer 3 capable of retaining a wiper blade, an arm head body 2 connected with the retainer 3 through a connection shaft 14 so that the retainer 3 is rotatable between an operational position and an upright position, and a rotation restricting member 30 pivotally connected through pivot shafts 16 provided on inner surfaces 12A of head arm sections 12 of the arm head body 2. The rotation restricting member 30 is pivotable around the pivot shaft 16 between a rotation restricting position and a rotation permitting position. In the rotation restriction position, the rotation restricting member 30 limits the rotation angle of the retainer 3 by contacting against the retainer 3.Type: ApplicationFiled: November 19, 2013Publication date: December 17, 2015Applicant: NIPPON WIPER BLADE CO., LTD.Inventors: Katsuhiro OUCHI, Seiichi HAYAKAWA, Yuichi SHIRAISHI
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Publication number: 20130004897Abstract: A method of manufacturing a planographic printing plate is provided in which, even when an alkaline developer having a relatively low pH is used, the development property is excellent and the generation of development scum over time is inhibited. The manufacturing method includes, in this order: subjecting a positive-working planographic printing plate precursor having an image recording layer on a support to imagewise light exposure, the image recording layer including a lower layer containing an infrared absorbing agent, an alkali-soluble resin, and a copolymer at least including a structural unit derived from acrylonitrile and a structural unit derived from styrene, and an upper layer containing a water-insoluble and alkali-soluble resin; and developing the positive-working planographic printing plate precursor after the light exposure by using an aqueous alkali solution which has a pH of 8.5 to 10.8 and contains an anionic surfactant.Type: ApplicationFiled: February 18, 2011Publication date: January 3, 2013Applicant: FUJIFILM CORPORATIONInventor: Yuichi Shiraishi
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Patent number: 8263311Abstract: A photosensitive lithographic printing plate precursor for infrared laser includes in the following order: a support having a hydrophilic surface; a lower layer containing a polymer compound having at least a unit derived from a polymerizable monomer represented by the following formula (I); and an upper layer containing a polymer compound having a group represented by the following formula (II) in a side chain, wherein R1 represents a hydrogen atom or a methyl group, R2 represents a methylene group or an ethylene group, R3 represents a methyl group, and X represents O or NH, wherein Z1, Z2 and Z3 each independently represents a hydrogen atom or a monovalent substituent composed of at least one nonmetallic atom.Type: GrantFiled: September 8, 2009Date of Patent: September 11, 2012Assignee: Fujifilm CorporationInventor: Yuichi Shiraishi
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Publication number: 20100062367Abstract: A photosensitive lithographic printing plate precursor for infrared laser includes in the following order: a support having a hydrophilic surface; a lower layer containing a polymer compound having at least a unit derived from a polymerizable monomer represented by the following formula (I); and an upper layer containing a polymer compound having a group represented by the following formula (II) in a side chain, wherein R1 represents a hydrogen atom or a methyl group, R2 represents a methylene group or an ethylene group, R3 represents a methyl group, and X represents O or NH, wherein Z1, Z2 and Z3 each independently represents a hydrogen atom or a monovalent substituent composed of at least one nonmetallic atom.Type: ApplicationFiled: September 8, 2009Publication date: March 11, 2010Inventor: Yuichi Shiraishi
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Publication number: 20080206670Abstract: The invention provides an infrared laser-sensitive planographic printing plate precursor, comprising: a support having a hydrophilic surface; and a single layer or a plurality of photosensitive layers disposed on the support having a hydrophilic surface, wherein the outermost layer of the photosensitive layers includes an infrared absorbent and a copolymer that includes, as copolymerization components, (i) an acrylate or methacrylate having an alkyl group having four or more carbon atoms, (ii) an acrylate or methacrylate having an alkyl group having 1 through 3 carbon atoms, and (iii) a polymerizing monomer having an acid group, and the amount of the acrylate or methacrylate having an alkyl group having four or more carbon atoms being in a range of 0.1 to 20 mole percent of the copolymer.Type: ApplicationFiled: February 26, 2008Publication date: August 28, 2008Applicant: FUJIFILM CORPORATIONInventors: Yuichi Shiraishi, Koji Wariishi
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Patent number: 7094518Abstract: A photosensitive lithographic printing plate comprising: a substrate having a hydrophilic surface; an intermediate layer which contains a compound having a quaternary ammonium group and an acid anion group in a single molecule; and a photopolymerizable photosensitive layer, in this order.Type: GrantFiled: January 13, 2004Date of Patent: August 22, 2006Assignee: Fuji Photo Film Co., Ltd.Inventor: Yuichi Shiraishi
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Patent number: 6830874Abstract: A method for preparing a lithographic printing plate which comprises imagewise exposing to light a presensitized plate useful for making a lithographic printing plate having an intermediate layer and a photosensitive layer on an aluminum substrate in this order and developing the imagewise exposed plate with a developer, wherein said intermediate layer comprises a polymer compound comprising at least a structure unit having an acid group and a structure unit having an onium group and said developer comprises an inorganic alkali salt and a nonionic surfactant having polyoxyalkylene ether group and pH of the developer ranges from 11.0 to 12.7. The method provides a lithographic printing plate, which shows good contrast between an image area and non-image area, no background contamination during printing, good stability with time and good printing durability.Type: GrantFiled: July 3, 2002Date of Patent: December 14, 2004Assignee: Fuji Photo Film Co., Ltd.Inventors: Shun-ichi Kondo, Yuichi Shiraishi
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Publication number: 20040146804Abstract: A photosensitive lithographic printing plate comprising: a substrate having a hydrophilic surface; an intermediate layer which contains a compound having a quaternary ammonium group and an acid anion group in a single molecule; and a photopolymerizable photosensitive layer, in this order.Type: ApplicationFiled: January 13, 2004Publication date: July 29, 2004Applicant: FUJI PHOTO FILM CO., LTD.Inventor: Yuichi Shiraishi
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Publication number: 20030143487Abstract: A method for preparing a lithographic printing plate which comprises imagewise exposing to light a presensitized plate useful for making a lithographic printing plate having an intermediate layer and a photosensitive layer on an aluminum substrate in this order and developing the imagewise exposed plate with a developer, wherein said intermediate layer comprises a polymer compound comprising at least a structure unit having an acid group and a structure unit having an onium group and said developer comprises an inorganic alkali salt and a nonionic surfactant having polyoxyalkylene ether group and pH of the developer ranges from 11.0 to 12.7. The method provides a lithographic printing plate, which shows good contrast between an image area and non-image area, no background contamination during printing, good stability with time and good printing durability.Type: ApplicationFiled: July 3, 2002Publication date: July 31, 2003Inventors: Shun-ichi Kondo, Yuichi Shiraishi
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Patent number: 5875348Abstract: Disclosed is a computer system that includes a CPU that can be operated both in a normal mode and in a power saving mode. The system further includes at least one peripheral device and a bus for allowing communication between the CPU and the peripheral device. A bus cycle detector monitors a bus cycle on the bus and a condition determiner determines the operation mode for the CPU in a specific bus cycle that is detected by the bus cycle detector. A signal generator is used to provide to the CPU, a control signal for changing the CPU's operation mode in accordance with a determination result obtained by the condition determiner. The disclosed system can reduce the operating frequency of a CPU or halt the operation of the CPU in accordance with an appropriate timing even when asynchronous communication is performed with peripheral devices.Type: GrantFiled: September 26, 1996Date of Patent: February 23, 1999Assignee: International Business Machines CorporationInventors: Shinji Matsushima, Saiichi Kawano, Masayoshi Nakano, Yuichi Shiraishi
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Patent number: 5840467Abstract: Disclosed is an image recording material which comprises a binder, a substance capable of generating heat by the absorption of light and a heat decomposable substance capable of substantially lowering the solubility of the binder when the substance is in an undecomposed state.Type: GrantFiled: October 28, 1996Date of Patent: November 24, 1998Assignee: Fuji Photo Film Co., Ltd.Inventors: Katsuji Kitatani, Keitaro Aoshima, Yuichi Shiraishi, Kazuto Kunita, Hiroaki Yokoya
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Patent number: 5741619Abstract: A negative-working image-recording material containing both a substance which absorbs light and generates heat and a diazonium compound having two or more diazohio groups in the molecule and a negative-working lithographic plate for direct platemaking by heat mode writing, the lithographic plate comprising a support having provided on at least one surface a substance which absorbs infrared or near infrared light and generates heat and a diazonium compound having two or more diazonio groups in the molecule.Type: GrantFiled: January 27, 1997Date of Patent: April 21, 1998Assignee: Fuji Photo Film Co., Ltd.Inventors: Keitaro Aoshima, Katsuji Kitatani, Hiroaki Yokoya, Yuichi Shiraishi
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Patent number: 5155478Abstract: A system for converting selected M gray levels in a K-gray scale to M identifiable levels in an N-gray scale, where K>N.gtoreq.M. A first table is created in which the respective M gray levels of the K-gray scale are mapped to different levels in the N-gray scale, which levels have the relative order and magnitude of their brightnesses in the K-gray scale, and using this first table, a second table is created in which the M gray levels in the N-gray scale are mapped to their corresponding M gray levels in the K-gray scale on a one-to-one basis according to the first table. Using the second table, any M gray levels in a K-gray scale can easily be converted to ones in an N-gray scale on a one-to-one basis with the relative order and magnitude of the brightnesses of those M gray levels being maintained.Type: GrantFiled: September 22, 1989Date of Patent: October 13, 1992Assignee: International Business Machines CorporationInventors: Kazuo Sekiya, Yuichi Shiraishi
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Patent number: 5059962Abstract: A display system for converting first gray level signals of N bits/dot each, representing 2.sup.N gray levels, to second gray level signals of M bits/dot each, representing 2.sup.M gray levels, where N is an integer larger than or equal to 2 and M is an integer satisfying N>M.gtoreq.1, by separating each of the first gray level signals of N bits into higher M bits and lower N-M bits and respectively using the N-M bit values to select an appropriate table from among 2.sup.N-M tables, each of which stores a distinctive set of P.times.Q modification values satisfying P.times.Q.gtoreq.2.sup.N-M, then respectively adding the M bits and each of the modification values of said selected table to generate P.times.Q second gray level signals, and supplying the resulting second gray level signals to a display device of 2.sup.M gray levels. The first gray level signals may be supplied to a display device of 2.sup.N gray levels having a smaller number of display dots than the display device of 2.sup.M gray levels.Type: GrantFiled: September 22, 1989Date of Patent: October 22, 1991Assignee: International Business Machines CorporationInventors: Kazuo Sekiya, Yuichi Shiraishi