Patents by Inventor Masatoshi Saitoh
Masatoshi Saitoh 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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Patent number: 8389076Abstract: A peeling member to be used in an image remover configured to peel off and remove an image by thermal transfer from a recording material on which the image is formed of a thermoplastic image forming substance is disclosed that includes a base body; a rubber elasticity layer provided on the base body, the rubber elasticity layer being formed of a material having rubber elasticity; an organic polymer compound layer provided on the rubber elasticity layer, the organic polymer compound layer presenting no plasticity at a heating temperature for peeling off and removing the image on the recording material by the thermal transfer and having a Young fs modulus of 400 MPa to 6000 MPa at normal temperature; and a thermoplastic composition layer formed on the surface of the organic polymer compound layer so as to serve as an outermost surface layer presenting adhesion to the thermoplastic image forming substance.Type: GrantFiled: September 11, 2008Date of Patent: March 5, 2013Assignee: Ricoh Company, Ltd.Inventors: Kakuji Murakami, Masatoshi Saitoh
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Patent number: 8231760Abstract: A disclosed image removing device includes a roller peeling member onto which a recording material with the image forming substance having thermoplastic properties is superposed; a heating unit configured to heat the image forming substance; a pressurizing unit configured to apply pressure to the roller peeling member and the recording material superposed thereon to cause the image forming substance heated by the heating unit to adhere to the roller peeling member; a separating unit configured to separate the recording material from the roller peeling member after the image forming substance has adhered to the roller peeling member; and a removing unit configured to remove, from the roller peeling member, the image forming substance that has been transferred from the recording material to the roller peeling member. The removing unit is driven in such a manner that the removing unit and the roller peeling member pressurize/contact/slide against each other.Type: GrantFiled: October 2, 2008Date of Patent: July 31, 2012Assignee: Ricoh Company, Ltd.Inventors: Kakuji Murakami, Masatoshi Saitoh, Toshiyuki Mutoh
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Publication number: 20100196630Abstract: A peeling member to be used in an image remover configured to peel off and remove an image by thermal transfer from a recording material on which the image is formed of a thermoplastic image forming substance is disclosed that includes a base body; a rubber elasticity layer provided on the base body, the rubber elasticity layer being formed of a material having rubber elasticity; an organic polymer compound layer provided on the rubber elasticity layer, the organic polymer compound layer presenting no plasticity at a heating temperature for peeling off and removing the image on the recording material by the thermal transfer and having a Young fs modulus of 400 MPa to 6000 MPa at normal temperature; and a thermoplastic composition layer formed on the surface of the organic polymer compound layer so as to serve as an outermost surface layer presenting adhesion to the thermoplastic image forming substance.Type: ApplicationFiled: September 11, 2008Publication date: August 5, 2010Inventors: Kakuji Murakami, Masatoshi Saitoh
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Publication number: 20090097892Abstract: A disclosed image removing device includes a roller peeling member onto which a recording material with the image forming substance having thermoplastic properties is superposed; a heating unit configured to heat the image forming substance; a pressurizing unit configured to apply pressure to the roller peeling member and the recording material superposed thereon to cause the image forming substance heated by the heating unit to adhere to the roller peeling member; a separating unit configured to separate the recording material from the roller peeling member after the image forming substance has adhered to the roller peeling member; and a removing unit configured to remove, from the roller peeling member, the image forming substance that has been transferred from the recording material to the roller peeling member. The removing unit is driven in such a manner that the removing unit and the roller peeling member pressurize/contact/slide against each other.Type: ApplicationFiled: October 2, 2008Publication date: April 16, 2009Inventors: Kakuji MURAKAMI, Masatoshi Saitoh, Toshiyuki Mutoh
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Publication number: 20080284975Abstract: A temple adjustment mechanism includes a male side member joined to one side of a lens frame, and a female side member relatively movable to and from the male side member. A temple is hingedly connected to the female side member. The male and female side members are relatively movable between a retracted position and an extended position. A spring is connected between the male and female side members to hold the two side members in their retracted position. A linkage extends between the male and female side members and is manually operable to move the two side members to their extended position from their retracted position. When the male and female side members are moved to their extended position, the female side member is longitudinally spaced from the male side member so that the overall length of the temple is increased.Type: ApplicationFiled: May 2, 2008Publication date: November 20, 2008Applicant: Washin Optical Co., Ltd.Inventors: Tohru Negishi, Masatoshi Saitoh
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Patent number: 7441424Abstract: A security tag holder is releasably clamped onto a garment. The holder includes first and second members coupled for relative pivotal movement about a pivot pin. The first member includes first clamping and locking regions at opposite sides of the pin, respectively. The second member includes second clamping and locking regions at opposite sides of the pin. The first locking region has a recess and a fixed magnet. The second locking region has a bore and a movable magnet movable between an unlocking position wherein the movable magnet is received in the bore and a locking position wherein the movable magnet is partly inserted into the recess and attracted to the fixed magnet. When the first and second members are urged against each other to clamp the garment, the movable magnet is moved from its unlocking to locking position to lock the first and second members against relative pivotal movement.Type: GrantFiled: May 2, 2007Date of Patent: October 28, 2008Assignee: Washin Optical Co., Ltd.Inventors: Masatoshi Saitoh, Takako Negishi
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Patent number: 7441666Abstract: It is intended to provide asymmetric porous films which are usable in blood dialysis, plasma separation, etc. and particularly excellent in the performance of selectively separating (fractionating) plasma protein, show little endogenous coagulation, complement or quinine activily and have an extremely high biocompatibility. Porous films made mainly of a synthetic polymer and having an asymmetric structure wherein, in the sectional structure, a dense layer substantially not charged at least on the outermost surface is provided in the side on which a liquid to be treated is loaded and at least part of the film other than the outermost surface is negatively charged. In the above films, the dense layer non-charged at least on the outermost surface serves as a size barrier while the part of the film other than the outermost surface serves as a charge barrier.Type: GrantFiled: April 18, 2002Date of Patent: October 28, 2008Assignee: Asahi Kasei Kuraray Medical Co., Ltd.Inventors: Sung-Teh Kim, Chieko Yamamoto, Toshinori Koizumi, Masatoshi Saitoh, Shunji Maniwa
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Patent number: 7422323Abstract: A hinge system for eyewear includes a pivotable hinge element for connecting a temple to a lug on each end of a lens frame. The pivotable hinge element has one end pivotably connected to the lug and the other end arranged to allow the temple to be pivotably moved between a wearing position and a folded position. First and second magnets are provided in the lug and the pivotable hinge element, respectively. The first and second magnets have respective confronting surfaces oriented to face against each other when the temple is in its wearing position. The confronting surfaces of the first and second magnets have an identical polarity, so that the first and second magnets are operatively associated to urge the temple inwardly toward its folded position when the temple is moved to its wearing position.Type: GrantFiled: May 31, 2007Date of Patent: September 9, 2008Assignee: Washin Optical Co., Ltd.Inventors: Masatoshi Saitoh, Tohru Negishi
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Patent number: 7308737Abstract: A magnetically actuated locking mechanism includes a male section and a female section releasably coupled to the male section. The male section includes a male body, a projection extending from one end of the male body and including a transverse bore, and a locking element movable between an unlocked position wherein the locking element is received within the bore and a locked position wherein the locking element is partly extracted from the bore. A first magnet is embedded in the locking element. The female section includes a female body having a guide cavity dimensioned to receive the projection, and a transverse locking recess dimensioned to lockingly receive a part of the locking element as extracted. A second magnet is embedded in the female body adjacent to the locking recess.Type: GrantFiled: January 31, 2006Date of Patent: December 18, 2007Assignee: Washin Optical Co., Ltd.Inventors: Masatoshi Saitoh, Tohru Negishi
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Publication number: 20070285614Abstract: A hinge system for eyewear includes a pivotable hinge element for connecting a temple to a lug on each end of a lens frame. The pivotable hinge element has one end pivotably connected to the lug and the other end arranged to allow the temple to be pivotably moved between a wearing position and a folded position. First and second magnets are provided in the lug and the pivotable hinge element, respectively. The first and second magnets have respective confronting surfaces oriented to face against each other when the temple is in its wearing position. The confronting surfaces of the first and second magnets have an identical polarity, so that the first and second magnets are operatively associated to urge the temple inwardly toward its folded position when the temple is moved to its wearing position.Type: ApplicationFiled: May 31, 2007Publication date: December 13, 2007Applicant: Washin Optical Co. Ltd.Inventors: Masatoshi Saitoh, Tohru Negishi
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Publication number: 20070283729Abstract: A security tag holder is releasably clamped onto a garment. The holder includes first and second members coupled for relative pivotal movement about a pivot pin. The first member includes first clamping and locking regions at opposite sides of the pin, respectively. The second member includes second clamping and locking regions at opposite sides of the pin. The first locking region has a recess and a fixed magnet. The second locking region has a bore and a movable magnet movable between an unlocking position wherein the movable magnet is received in the bore and a locking position wherein the movable magnet is partly inserted into the recess and attracted to the fixed magnet. When the first and second members are urged against each other to clamp the garment, the movable magnet is moved from its unlocking to locking position to lock the first and second members against relative pivotal movement.Type: ApplicationFiled: May 2, 2007Publication date: December 13, 2007Applicant: Washin Optical Co., Ltd.Inventors: Masatoshi Saitoh, Takako Negishi
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Publication number: 20070251062Abstract: A lockable holder includes a body defining a cavity and a recess communicated with the cavity. A first magnet is embedded in the body. A clamping member is removably insertable into the cavity and has a bore. A locking member includes a second magnet movable between an unlocking position wherein the second magnet is received within the bore and a locking position wherein the second magnet is partly extracted from the bore, and the partly extracted portion of the second magnet is inserted into the recess. The body includes a clamping surface and opposite guide passages connected to the cavity. When the clamping member is urged against the clamping surface to clamp a strap, the second magnet is moved from the unlocking to locking position and magnetically attracted to the first magnet to lock the clamping member in position.Type: ApplicationFiled: April 10, 2007Publication date: November 1, 2007Applicant: Washin Optical Co., Ltd.Inventors: Masatoshi Saitoh, Tohru Negishi
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Patent number: 7234739Abstract: A magnetic latch assembly includes a latch member movably mounted to a first object such as a door, and a retainer arranged in a second, opposing object such as a door frame. The latch member includes a latch arm, a hook formed on the distal end of the latch arm, and a first magnet mounted in the hook. The retainer includes a housing with a cavity and a second magnet. The cavity includes a first horizontal passage and a second vertical passage communicated with the horizontal passage. The second magnet has a magnetic pole of opposite polarity from the magnetic pole of the first magnet. When the first and second objects are relatively moved toward each other, the latch arm is moved into the first passage of the cavity.Type: GrantFiled: February 10, 2005Date of Patent: June 26, 2007Assignee: Washin Optical Co., Ltd.Inventors: Masatoshi Saitoh, Tohru Negishi
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Publication number: 20060174455Abstract: A magnetically actuated locking mechanism includes a male section and a female section releasably coupled to the male section. The male section includes a male body, a projection extending from one end of the male body and including a transverse bore, and a locking element movable between an unlocked position wherein the locking element is received within the bore and a locked position wherein the locking element is partly extracted from the bore. A first magnet is embedded in the locking element. The female section includes a female body having a guide cavity dimensioned to receive the projection, and a transverse locking recess dimensioned to lockingly receive a part of the locking element as extracted. A second magnet is embedded in the female body adjacent to the locking recess.Type: ApplicationFiled: January 31, 2006Publication date: August 10, 2006Applicant: Youchi Kaihatsu Co., Ltd.Inventors: Masatoshi Saitoh, Tohru Negishi
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Publication number: 20060175842Abstract: A magnetic latch assembly includes a latch member movably mounted to a first object such as a door, and a retainer arranged in a second, opposing object such as a door frame. The latch member includes a latch arm, a hook formed on the distal end of the latch arm, and a first magnet mounted in the hook. The retainer includes a housing with a cavity and a second magnet. The cavity includes a first horizontal passage and a second vertical passage communicated with the horizontal passage. The second magnet has a magnetic pole of opposite polarity from the magnetic pole of the first magnet. When the first and second objects are relatively moved toward each other, the latch arm is moved into the first passage of the cavity.Type: ApplicationFiled: February 10, 2005Publication date: August 10, 2006Inventors: Masatoshi Saitoh, Tohru Negishi
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Patent number: 6886935Abstract: A nose pad assembly is slidably mounted to an eyeglass frame by which a pair of multifocal lenses are held. The nose pad assembly includes a pair of oval nose pads within which elongated guide grooves are defined. Two pairs of upper and lower magnets are coaxially and fixedly mounted in the upper and lower ends of the respective nose pads. A pair of slides are slidably moved along the guide grooves and attached to a pair of pad arms of the eyeglass frame. The slides include a corresponding pair of slide magnets positioned within the respective guide grooves. The slide magnets are selectively attracted to the upper and lower magnets to hold the eyeglass frame in its upper and lower positions, respectively. A bridge member extends between the upper end of the nose pads. The bridge member is configured to resist a substantially vertical force which may be applied thereto when the eyeglass frame is moved between its upper and lower positions.Type: GrantFiled: September 2, 2004Date of Patent: May 3, 2005Inventors: Tohru Negishi, Masatoshi Saitoh
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Publication number: 20050052614Abstract: A nose pad assembly is slidably mounted to an eyeglass frame by which a pair of multifocal lenses are held. The nose pad assembly includes a pair of oval nose pads within which elongated guide grooves are defined. Two pairs of upper and lower magnets are coaxially and fixedly mounted in the upper and lower ends of the respective nose pads. A pair of slides are slidably moved along the guide grooves and attached to a pair of pad arms of the eyeglass frame. The slides include a corresponding pair of slide magnets positioned within the respective guide grooves. The slide magnets are selectively attracted to the upper and lower magnets to hold the eyeglass frame in its upper and lower positions, respectively. A bridge member extends between the upper end of the nose pads. The bridge member is configured to resist a substantially vertical force which may be applied thereto when the eyeglass frame is moved between its upper and lower positions.Type: ApplicationFiled: September 2, 2004Publication date: March 10, 2005Inventors: Tohru Negishi, Masatoshi Saitoh
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Publication number: 20040167237Abstract: It is intended to provide asymmetric porous films which are usable in blood dialysis, plasma separation, etc. and particularly excellent in the performance of selectively separating (fractionating) plasma protein, show little endogenous coagulation, complement or quinine activily and have an extremely high biocompatibility. Porous films made mainly of a synthetic polymer and having an asymmetric structure wherein, in the sectional structure, a dense layer substantially not charged at least on the outermost surface is provided in the side on which a liquid to be treated is loaded and at least part of the film other than the outermost surface is negatively charged. In the above films, the dense layer non-charged at least on the outermost surface serves as a size barrier while the part of the film other than the outermost surface serves as a charge barrier.Type: ApplicationFiled: April 7, 2004Publication date: August 26, 2004Inventors: Sung-Teh Kim, Chieko Yamamoto, Toshinori Koizumi, Masatoshi Saitoh, Shunji Maniwa
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Patent number: 6520636Abstract: An adjustable eyeglass frame includes a lens frame assembly adapted to hold a pair of lenses, and a nosepiece assembly including a pad mount attached to the lens frame assembly. The nose piece assembly has a pair of legs connected to the pad mount, a pair of nose pads carried by the legs and pivotably movable toward and away from each other, and a bias mechanism for biasing the nose pads toward each other so that the nose pads are safely held in any selected vertical positions.Type: GrantFiled: June 20, 2001Date of Patent: February 18, 2003Assignee: Youchi Kaihatsu Co., Ltd.Inventors: Masatoshi Saitoh, Tohru Negishi
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Patent number: 6396445Abstract: A window glass antenna apparatus for vehicles includes a defogger for defogging a window glass of a vehicle, which has bus bars at both ends and which is constituted of a thin, narrow strip conductor formed on the window glass such that the bus bars are opposed to a window metal frame of the vehicle with a predetermined gap therebetween, a driven antenna having a height and arranged close and opposite to the defogger with a predetermined clearance such that one side of the driven antenna is mutually coupled to that of the defogger, and a short circuit for causing a short circuit between each of the upper right and left ends of the bus bars and the window metal frame at a high frequency.Type: GrantFiled: March 2, 2000Date of Patent: May 28, 2002Assignee: Harada Industry Co., Ltd.Inventors: Masatoshi Saitoh, Richard Langley, Hiroshi Endo