Patents by Inventor Yukio Hara
Yukio Hara 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: 10344815Abstract: An electric brake device configured to brake a wheel or to maintain a stopped state of the wheel, including: a friction member; a piston configured to advance for pushing the friction member onto a rotary body; a motion converting mechanism having an input shaft and configured to convert rotation of the input shaft into an advancing and retracting movement of the piston; an electric motor; and a rotation transmitting mechanism configured to transmit rotation of the electric motor as the rotation of the input shaft, the rotation transmitting mechanism including a drive pulley connected to the electric motor, a driven pulley connected to the input shaft, a belt wound around the two pulleys, and a speed change mechanism configured to change a ratio of a rotation speed of the driven pulley to a rotation speed of the drive pulley in dependence on tension of the belt between the two pulleys.Type: GrantFiled: November 17, 2017Date of Patent: July 9, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Yukio Hara
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Publication number: 20180202504Abstract: An electric brake device configured to brake a wheel or to maintain a stopped state of the wheel, including: a friction member; a piston configured to advance for pushing the friction member onto a rotary body; a motion converting mechanism having an input shaft and configured to convert rotation of the input shaft into an advancing and retracting movement of the piston; an electric motor; and a rotation transmitting mechanism configured to transmit rotation of the electric motor as the rotation of the input shaft, the rotation transmitting mechanism including a drive pulley connected to the electric motor, a driven pulley connected to the input shaft, a belt wound around the two pulleys, and a speed change mechanism configured to change a ratio of a rotation speed of the driven pulley to a rotation speed of the drive pulley in dependence on tension of the belt between the two pulleys.Type: ApplicationFiled: November 17, 2017Publication date: July 19, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Yukio HARA
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Patent number: 8112028Abstract: Provided is a cleaning roll (conductive roll) including a core, a coating layer formed thereon, and a shaft along the axis of the core. The coating layer contains a bismaleimide resin and a conductive agent. Also provided are a cleaning unit, a process cartridge, and an image-forming apparatus employing the conductive roll. The conductive roll may include a core and a coating layer containing a bismaleimide resin and a conductive agent formed on the external peripheral surface of the core.Type: GrantFiled: March 26, 2008Date of Patent: February 7, 2012Assignee: Fuji Xerox Co., Ltd.Inventors: Tsuyoshi Miyamoto, Yukio Hara
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Patent number: 7919914Abstract: It is possible to enhance the luminance of a cold-cathode type discharge lamp and to contribute to a prolongation of service life thereof. A discharge lamp 1 is provided with an electrode 3 having a cup 4 with such a shape that a bottom is provided at each of both opposed ends of the glass tube 2. The cup 4 is connected to a lead-in wire 8 which is inserted through the end of the glass tube 2 and held thereby. The collision-preventing ring 5 covering an end surface of the cup 4 is provided to the open end 4a of the cup 4. The porous tungsten disk 6 impregnated with a ternary metal oxide composed of barium (Ba), aluminum (Al), and calcium (Ca) as an electron emission material is provided at a bottom in an inside of the cup 4.Type: GrantFiled: February 26, 2010Date of Patent: April 5, 2011Assignee: Sony CorporationInventors: Hiroshi Takahashi, Yukio Hara, Masahiro Kikuchi, Yoshiichi Horikoshi, Hiroto Watanabe, Ryouichi Yoshida
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Publication number: 20100209149Abstract: An image forming apparatus uses toner that is given color-generation information and a color-generation state or a non-color-generation state of the toner is controlled, and includes an image carrier, a unit that forms toner image on the image carrier, an intermediate transfer medium that the toner image formed on the image carrier is transferred to, a first transfer unit that transfers the toner image to the intermediate transfer medium surface, a unit that gives color-generation information to the toner image transferred to the intermediate transfer medium, a second transfer unit that transfers the toner image transferred to the intermediate transfer medium surface to a recording medium, a unit that fixes the toner image transferred to the recording medium and a unit that causes color generation in the toner image that the color-generation information is given.Type: ApplicationFiled: April 28, 2010Publication date: August 19, 2010Inventors: Yukio Hara, Isao Ito
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Patent number: 7750546Abstract: It is possible to enhance the luminance of a cold-cathode type discharge lamp and to contribute to a prolongation of service life thereof. A discharge lamp 1 is provided with an electrode 3 having a cup 4 with such a shape that a bottom is provided at each of both opposed ends of the glass tube 2. The cup 4 is connected to a lead-in wire 8 which is inserted through the end of the glass tube 2 and held thereby. The collision-preventing ring 5 covering an end surface of the cup 4 is provided to the open end 4a of the cup 4. The porous tungsten disk 6 impregnated with a ternary metal oxide composed of barium (Ba), aluminum (Al), and calcium (Ca) as an electron emission material is provided at a bottom in an inside of the cup 4.Type: GrantFiled: January 19, 2005Date of Patent: July 6, 2010Assignee: Sony CorporationInventors: Hiroshi Takahashi, Yukio Hara, Masahiro Kikuchi, Yoshiichi Horikoshi, Hiroto Watanabe, Ryouichi Yoshida
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Publication number: 20100156270Abstract: It is possible to enhance the luminance of a cold-cathode type discharge lamp and to contribute to a prolongation of service life thereof. A discharge lamp 1 is provided with an electrode 3 having a cup 4 with such a shape that a bottom is provided at each of both opposed ends of the glass tube 2. The cup 4 is connected to a lead-in wire 8 which is inserted through the end of the glass tube 2 and held thereby. The collision-preventing ring 5 covering an end surface of the cup 4 is provided to the open end 4a of the cup 4. The porous tungsten disk 6 impregnated with a ternary metal oxide composed of barium (Ba), aluminum (Al), and calcium (Ca) as an electron emission material is provided at a bottom in an inside of the cup 4.Type: ApplicationFiled: February 26, 2010Publication date: June 24, 2010Applicant: SONY CORPORATIONInventors: Hiroshi Takahashi, Yukio Hara, Masahiro Kikuchi, Yoshiichi Horikoshi, Hiroto Watanabe, Ryouichi Yoshida
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Patent number: 7728858Abstract: An image forming apparatus uses toner that is given color-generation information and a color-generation state or a non-color-generation state of the toner is controlled, and includes an image carrier, a unit that forms toner image on the image carrier, an intermediate transfer medium that the toner image formed on the image carrier is transferred to, a first transfer unit that transfers the toner image to the intermediate transfer medium surface, a unit that gives color-generation information to the toner image transferred to the intermediate transfer medium, a second transfer unit that transfers the toner image transferred to the intermediate transfer medium surface to a recording medium, a unit that fixes the toner image transferred to the recording medium and a unit that causes color generation in the toner image that the color-generation information is given.Type: GrantFiled: November 24, 2006Date of Patent: June 1, 2010Assignee: Fuji Xerox Co., Ltd.Inventors: Yukio Hara, Isao Ito
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Patent number: 7714487Abstract: It is possible to prolong service life of a discharge lamp of hot-cathode type and to reduce a diameter thereof. A discharge lamp 1 is provided with an electrode 3. The electrode 3 has a heater 4 made up a coil portion 4a, and a first lead wire portion 4b and a second lead wire portion 4c that respectively extend from rear ends of this coil portion 4a and applied by an electron emission material 3a. In the electrode 3, a first lead-in wires 6a is connected to the first lead wire portion 4b and a second lead-in wires 6b is connected to the second lead wire portion 4c, so that the coil portion 4a is arranged vertically along the tube axis of the glass tube 2. The electrode 3 is also provided a sleeve 7 covering surrounding of the coil portion 4a and having openings in the faces respectively opposite to the forward end and rear end of the coil portion 4a. An open end 7a of the sleeve 7 exceeds a forward end of the coil portion 4a, thereby protecting the coil portion 4a.Type: GrantFiled: January 19, 2005Date of Patent: May 11, 2010Assignee: Sony CorporationInventors: Yoshiichi Horikoshi, Yukio Hara, Masahiro Kikuchi, Hiroshi Takahashi, Ryouichi Yoshida, Hiroto Watanabe
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Patent number: 7711297Abstract: The invention provides a belt including a belt base having elasticity and a projection member having elasticity which is provided along at least one edge of the belt base so as to project from the belt base, and an adhesive layer which bonds the belt base and the projection member, wherein the ten-point average roughness Rz in the region of the belt base to be bonded with the projection member is about 4 ?m or more and the ten-point average roughness Rz in the region of the projection member to be bonded with the belt base is about 6 ?m or more.Type: GrantFiled: November 1, 2006Date of Patent: May 4, 2010Assignee: Fuji Xerox Co., Ltd.Inventors: Tetsuya Kawatani, Yukio Hara
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Patent number: 7508133Abstract: A discharge lamp includes a glass tube having electrodes with an electron emissive material coated thereon, the electrodes being provided on respective ends of the glass tube, wherein the glass tube has a gas containing a luminescent material sealed therein and has a fluorescent material coated on its inner surface, the glass tube has a diameter less than 6.5 mm and the gas sealed into the glass tube is gases of more than one kind selected from an Ar (argon) gas , a Kr (krypton) gas and a Xe (xenon) gas or a mixed gas mainly made of gases of more than one kind selected from the Ar gas, the Kr gas and the Xe gas. Thus, the discharge lamp can reduce a diameter of its tube and it is able to provide high luminous efficiency.Type: GrantFiled: March 21, 2006Date of Patent: March 24, 2009Assignee: Sony CorporationInventor: Yukio Hara
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Publication number: 20080253816Abstract: Provided is a cleaning roll (conductive roll) including a core, a coating layer formed thereon, and a shaft along the axis of the core, wherein the coating layer contains a bismaleimide resin and a conductive agent. Also provided are a cleaning unit, a process cartridge, and an image-forming apparatus employing the conductive roll. The invention provides a conductive roll, comprising a core and a coating layer containing a bismaleimide resin and a conductive agent formed on the external peripheral surface of the core.Type: ApplicationFiled: March 26, 2008Publication date: October 16, 2008Applicant: FUJI XEROX CO., LTD.Inventors: Tsuyoshi MIYAMOTO, Yukio HARA
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Publication number: 20080252216Abstract: It is possible to enhance the luminance of a cold-cathode type discharge lamp and to contribute to a prolongation of service life thereof. A discharge lamp 1 is provided with an electrode 3 having a cup 4 with such a shape that a bottom is provided at each of both opposed ends of the glass tube 2. The cup 4 is connected to a lead-in wire 8 which is inserted through the end of the glass tube 2 and held thereby. The collision-preventing ring 5 covering an end surface of the cup 4 is provided to the open end 4a of the cup 4. The porous tungsten disk 6 impregnated with a ternary metal oxide composed of barium (Ba), aluminum (Al), and calcium (Ca) as an electron emission material is provided at a bottom in an inside of the cup 4.Type: ApplicationFiled: January 19, 2005Publication date: October 16, 2008Applicant: Sony CorporationInventors: Hiroshi Takahashi, Yukio Hara, Masahiro Kikuchi, Yoshiichi Horikoshi, Hiroto Watanabe, Ryouichi Yoshida
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Publication number: 20080247780Abstract: The invention provides an endless belt for an image forming apparatus, the endless belt having at least: a belt body; a convex member; and a bonding portion for bonding the belt body and the convex member, the bonding portion having a glass transition temperature (Tg) of about ?10° C. or less. The glass transition temperature (Tg) is preferably about ?60° C. or less. The invention further provides a belt suspending apparatus for an image forming apparatus, the belt suspending apparatus having at least: the endless belt; and a plurality of suspending members for suspending the endless belt rotatably in a tensioned state from the inner surface side of the endless belt. The invention further provides an image forming apparatus having at least the endless belt.Type: ApplicationFiled: December 7, 2007Publication date: October 9, 2008Applicant: FUJI XEROX CO., LTD.Inventor: Yukio HARA
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Publication number: 20080012926Abstract: An image forming apparatus uses toner that is given color-generation information and a color-generation state or a non-color-generation state of the toner is controlled, and includes an image carrier, a unit that forms toner image on the image carrier, an intermediate transfer medium that the toner image formed on the image carrier is transferred to, a first transfer unit that transfers the toner image to the intermediate transfer medium surface, a unit that gives color-generation information to the toner image transferred to the intermediate transfer medium, a second transfer unit that transfers the toner image transferred to the intermediate transfer medium surface to a recording medium, a unit that fixes the toner image transferred to the recording medium and a unit that causes color generation in the toner image that the color-generation information is given.Type: ApplicationFiled: November 24, 2006Publication date: January 17, 2008Inventors: Yukio Hara, Isao Ito
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Publication number: 20070280747Abstract: The invention provides a belt including a belt base having elasticity and a projection member having elasticity which is provided along at least one edge of the belt base so as to project from the belt base, and an adhesive layer which bonds the belt base and the projection member, wherein the ten-point average roughness Rz in the region of the belt base to be bonded with the projection member is about 4 ?m or more and the ten-point average roughness Rz in the region of the projection member to be bonded with the belt base is about 6 ?m or more.Type: ApplicationFiled: November 1, 2006Publication date: December 6, 2007Applicant: FUJI XEROX CO., LTD.Inventors: Tetsuya Kawatani, Yukio Hara
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Publication number: 20070228913Abstract: It is possible to prolong service life of a discharge lamp of hot-cathode type and to reduce a diameter thereof. A discharge lamp 1 is provided with an electrode 3. The electrode 3 has a heater 4 made up a coil portion 4a, and a first lead wire portion 4b and a second lead wire portion 4c that respectively extend from rear ends of this coil portion 4a and applied by an electron emission material 3a. In the electrode 3, a first lead-in wires 6a is connected to the first lead wire portion 4b and a second lead-in wires 6b is connected to the second lead wire portion 4c, so that the coil portion 4a is arranged vertically along the tube axis of the glass tube 2. The electrode 3 is also provided a sleeve 7 covering surrounding of the coil portion 4a and having openings in the faces respectively opposite to the forward end and rear end of the coil portion 4a. An open end 7a of the sleeve 7 exceeds a forward end of the coil portion 4a, thereby protecting the coil portion 4a.Type: ApplicationFiled: January 19, 2005Publication date: October 4, 2007Inventors: Yoshiichi Horikoshi, Yukio Hara, Masahiro Kikuchi, Hiroshi Takahashi, Ryouichi Yoshida, Hiroto Watanabe
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Patent number: 7264911Abstract: The invention provides an image-forming apparatus equipped with a toner container containing toner particles and an endless belt circulating in contact with image carriers carrying electrostatic latent images. The image-forming apparatus forms a toner image on a recording medium by developing an electrostatic latent image on an image carrier by supplying the toner particles thereto, transferring the toner image onto the surface of the belt and finally onto the recording medium, and fixing the toner image thereon. When the particle count distribution in diameter ranges of the toner particles is expressed by Smaller-side grain size distribution index GSDpS=(D50p/D16p)1/2, the toner container contains toner particles having a smaller-side grain size distribution index GSDpS of 1.24 or less; and the belt comprises a base support having a Young's modulus of 3,500 MPa or more and 9,000 MPa or less and a surface microhardness of 10 mN/?m2 or less.Type: GrantFiled: August 6, 2004Date of Patent: September 4, 2007Assignee: Fuji Xerox Co., Ltd.Inventors: Yasuo Matsumura, Yukio Hara
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Patent number: 7266333Abstract: The present invention provides a semiconductive belt including a substrate and a surface layer, wherein: the substrate contains a resin; the Young's modulus of the substrate is 1000 to 8000 MPa; the surface layer contains a lubricant component, a fibrous filling material, and an elastic material; and the durometer hardness of the surface layer is A30/S to A70/S.Type: GrantFiled: December 5, 2005Date of Patent: September 4, 2007Assignee: Fuji Xerox Co., Ltd.Inventor: Yukio Hara
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Publication number: 20060239726Abstract: The present invention provides a semiconductive belt including a substrate and a surface layer, wherein: the substrate contains a resin; the Young's modulus of the substrate is 1000 to 8000 MPa; the surface layer contains a lubricant component, a fibrous filling material, and an elastic material; and the durometer hardness of the surface layer is A30/S to A70/S.Type: ApplicationFiled: December 5, 2005Publication date: October 26, 2006Applicant: FUJI XEROX CO., LTD.Inventor: Yukio Hara