Patents by Inventor Atsushi Takeda
Atsushi Takeda 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: 6956731Abstract: A laminate type electronic component 1 has, at least, a dielectric part 2 containing a dielectric as a constituent material, and a pair of a first external electrode 31 and a second external electrode 32, each disposed in close contact with the dielectric part 2, opposing each other by way of the dielectric part 2. The dielectric part 2 has laminated dielectric layers 21a to 21f; and at least two internal electrodes 23a to 23e disposed one by one between layers adjacent each other in the dielectric layers 21a to 21f, while each being electrically connected to one of the first external electrode 31 and second external electrode 32. At least one of the internal electrodes 23a to 23e is electrically connected to the first external electrode 31, and at least one of the internal electrodes 23a to 23e is electrically connected to the second external electrode 32.Type: GrantFiled: March 7, 2003Date of Patent: October 18, 2005Assignee: TDK CorporationInventors: Akitoshi Yoshii, Hideki Yokoyama, Takashi Kamiya, Atsushi Takeda, Masauki Okabe
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Publication number: 20050140570Abstract: Gate electrode lines 11 formed on glass substrate 3 are separated by separating portions 32 for respective pixels 5 to shorten lengths of gate electrode lines 11. Both end portions of gate electrode lines 11 separated by separating portions 32 are electrically connected by conductive films 42 made from the same materials as signal electrode lines 13. When glass substrate 3 is lifted up while glass substrate 3 is charged with static electricity, the increases in voltages at gate insulation film 31 provided between gate electrode lines 11 and polycrystalline semiconductor film 22 are effectively suppressed so that electrostatic destruction of gate electrode lines 11 can be prevented.Type: ApplicationFiled: October 21, 2004Publication date: June 30, 2005Applicant: Toshiba Matsushita Display Technology Co., Ltd.Inventors: Hiroshi Tabatake, Tetsuya Kawamura, Shinichi Kawamura, Katsuhiko Inada, Atsushi Takeda, Nobuo Imai, Akihiro Takami
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Publication number: 20050083637Abstract: A laminate type electronic component 1 comprises, at least, a dielectric part 2 containing a dielectric as a constituent material, and a pair of a first external electrode 31 and a second external electrode 32, each disposed in close contact with the dielectric part 2, opposing each other by way of the dielectric part 2. The dielectric part 2 comprises laminated dielectric layers 21a to 21f; and at least two internal electrodes 23a to 23e disposed one by one between layers adjacent each other in the dielectric layers 21a to 21f, while each being electrically connected to one of the first external electrode 31 and second external electrode 32. At least one of the internal electrodes 23a to 23e is electrically connected to the first external electrode 31, and at least one of the internal electrodes 23a to 23e is electrically connected to the second external electrode 32.Type: ApplicationFiled: March 7, 2003Publication date: April 21, 2005Applicant: TDK CORPORATIONInventors: Akitoshi Yoshll, Hideki Yokoyama, Takashi Kamiya, Atsushi Takeda, Masayuki Okabe
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Publication number: 20040208987Abstract: A ceramic capacitor having a ceramic body and terminal electrodes, the ceramic body being substantially a rectangular parallelopiped in shape, the terminal electrodes being provided at the two ends of the ceramic body in the length direction, each terminal electrode being provided to cover one end face of the ceramic body in the length direction, part of the two surfaces in the width direction, and part of the two surfaces in the thickness direction, wherein, when the length of the ceramic body is L1 and the maximum lengths of the terminal electrodes at the two surfaces of the ceramic body in the width direction are L3 and L4, 0≦|(L4−L3|/L1≦0.0227 is satisfied. One surface among the two surfaces of the ceramic body in the width direction is the paste introduction side in the roller coating, while the other surface is the paste escape side in the roller coating.Type: ApplicationFiled: May 18, 2004Publication date: October 21, 2004Applicant: TDK CorporationInventors: Hideki Yokoyama, Atsushi Takeda
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Publication number: 20040183147Abstract: Terminal electrodes 11 and 12 of a main body 2 of a multilayer capacitor 1 are connected to electrode connection parts 21A and 22A of a pair of external terminals 21 and 22 formed by a metal material. At the bottom part of the electrode connection part 21A, an external connection part 21B connected to the electrode connection part 21A is formed. At the bottom part of the electrode connection part 22A, an external connection part 22B connected to the electrode connection part 22A is formed. The widths of the terminal electrodes 11 and 12 and the widths of the external connection parts 21B and 22B are substantially the same, but the widths of the electrode connection parts 21A and 22A are formed narrower. Due to this, propagation of vibration can be suppressed and generation of noise reduced.Type: ApplicationFiled: March 17, 2004Publication date: September 23, 2004Applicant: TDK CORPORATIONInventors: Masaaki Togashi, Taisuke Ahiko, Akitoshi Yoshii, Atsushi Takeda
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Patent number: 6771485Abstract: A ceramic capacitor having a ceramic body and terminal electrodes, the ceramic body being substantially a rectangular parallelopiped in shape, the terminal electrodes being provided at the two ends of the ceramic body in the length direction, each terminal electrode being provided to cover one end face of the ceramic body in the length direction, part of the two surfaces in the width direction, and part of the two surfaces in the thickness direction, wherein, when the length of the ceramic body is L1 and the maximum lengths of the terminal electrodes at the two surfaces of the ceramic body in the width direction are L3 and L4, 0≦|(L4−L3|/L1≦0.0227 is satisfied. One surface among the two surfaces of the ceramic body in the width direction is the paste introduction side in the roller coating, while the other surface is the paste escape side in the roller coating.Type: GrantFiled: March 5, 2003Date of Patent: August 3, 2004Assignee: TDK CorporationInventors: Hideki Yokoyama, Atsushi Takeda
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Publication number: 20030169556Abstract: A ceramic capacitor having a ceramic body and terminal electrodes, the ceramic body being substantially a rectangular parallelopiped in shape, the terminal electrodes being provided at the two ends of the ceramic body in the length direction, each terminal electrode being provided to cover one end face of the ceramic body in the length direction, part of the two surfaces in the width direction, and part of the two surfaces in the thickness direction, wherein, when the length of the ceramic body is L1 and the maximum lengths of the terminal electrodes at the two surfaces of the ceramic body in the width direction are L3 and L4, 0≦|(L4−L3|/L1≦0.0227 is satisfied. One surface among the two surfaces of the ceramic body in the width direction is the paste introduction side in the roller coating, while the other surface is the paste escape side in the roller coating.Type: ApplicationFiled: March 5, 2003Publication date: September 11, 2003Applicant: TDK CorporationInventors: Hideki Yokoyama, Atsushi Takeda
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Patent number: 6519422Abstract: An image forming apparatus includes a plurality of image bearing members and a plurality of image forming devices for forming toner images on the respective image bearing members, wherein the toner images formed on the respective image bearing members by the respective image forming devices are successively transferred to a transfer medium, and wherein a toner image for identifying the apparatus is formed on the image bearing member having the highest temperature among the plurality of image bearing members.Type: GrantFiled: May 11, 2000Date of Patent: February 11, 2003Assignee: Canon Kabushiki KaishaInventors: Atsushi Takeda, Fumiteru Gomi, Kouichi Hashimoto, Yoshiyuki Komiya
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Patent number: 6505021Abstract: An image forming apparatus includes an image bearing member which is movable; an electrifying device which makes contact with the image bearing member and electrifies the image bearing member; a developing device for developing a latent image on the image bearing member by toner; and an abutting member which is provided on a downstream side in a moving direction of the image bearing member with respect to the electrifying device and the contacting portion of the image bearing member and abuts against the image bearing member. The image bearing member, electrified by the electrifying device, is exposed to have the latent image formed thereon, a toner image formed on the image bearing member by the developing device is transferred to a recording material, and the developing device recovers residual toner on the image bearing member after transfer.Type: GrantFiled: March 26, 2001Date of Patent: January 7, 2003Assignee: Canon Kabushiki KaishaInventors: Kenichi Shibuya, Atsushi Takeda, Fumiteru Gomi, Kouichi Hashimoto, Yoshiyuki Komiya, Shuichi Kadota
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Patent number: 6477342Abstract: Toner particles fly off from a photosensitive drum to an exposure light emitting portion by a change of electric potential distribution on the photosensitive drum caused by image exposure in a following process. This causes a poor copy of an image by adhering the toner particles to the exposure light emitting portion. This phenomena affects a tandem type of copiers with multi-stations including photosensitive drums and exposure light emitting positions. An apparatus capable of suppressing toner adhesion to an exposure is provided to solve the above problem.Type: GrantFiled: March 12, 2001Date of Patent: November 5, 2002Assignee: Canon Kabushiki KaishaInventors: Yoshiyuki Komiya, Atsushi Takeda, Fumiteru Gomi, Kouichi Hashimoto, Kenichi Shibuya, Shuichi Kadota
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Patent number: 6393238Abstract: An image forming apparatus includes an image bearing member and a charging device for electrically charging the image bearing member. The charging means includes a particle carrying member for receiving a charging bias voltage for carrying electrocondusctive magnetic particles. The particle carrying member is provided with an electrically insulated portion at an end portion within a region in which the magnetic particles are carried. An electrectrostatic image forming device forms an electrostatic image on the image bearing member charged by the charging device. A developing device develops the electrostatic image on the image bearing member. The developing device includes a developer carrying member for carrying a magnetic developer and a magnetic field generating device provided in the developer carrying member wherein the electrically insulating portion is outside a longitudinal end of the magnetic field generating device.Type: GrantFiled: April 28, 2000Date of Patent: May 21, 2002Assignee: Canon Kabushiki KaishaInventors: Kouichi Hashimoto, Atsushi Takeda, Fumiteru Gomi, Yoshiyuki Komiya
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Patent number: 6332859Abstract: A control system for a continuously variable transmission, in which a responsiveness and a generation of an excessive force in a steady state are compatible. The control system makes a belt slippage prevention and a fuel economy improvement compatible by controlling a CVT with one of two parameter values: the first parameter value which is determined from an engine RPM and an accelerator opening, i.e., a torque information quick in the output timing but poor in the precision and which indicates the engine output torque; and the second parameter value which is determined from a fuel injection rate, i.e., a torque information excellent in the precision but slow in the output timing and which indicates the engine output torque.Type: GrantFiled: May 17, 2000Date of Patent: December 25, 2001Assignee: Mitsubishi Jidosha Kogyo Kabushiki KaishaInventors: Hironobu Sato, Hiroki Tamura, Masato Tojo, Kenji Misaki, Atsushi Takeda, Kazuchika Tashima, Kenichi Nakamori, Hiroki Asayama
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Publication number: 20010051058Abstract: Toner particles fly off from a photosensitive drum to an exposure light emitting portion by a change of electric potential distribution on the photosensitive drum caused by image exposure in a following process. This causes a poor copy of an image by adhering the toner particles to the exposure light emitting portion. This phenomena affects a tandem type of copiers with multi-stations including photosensitive drums and exposure light emitting positions. An apparatus capable of suppressing toner adhesion to an exposure is provided to solve the above problem.Type: ApplicationFiled: March 12, 2001Publication date: December 13, 2001Inventors: Yoshiyuki Komiya, Atsushi Takeda, Fumiteru Gomi, Kouichi Hashimoto, Kenichi Shibuya, Shuichi Kadota
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Publication number: 20010041082Abstract: To provide an image forming apparatus including: an image bearing member which is movable; an electrifying device which makes contact with the image bearing member and electrifies the image bearing member; a developing device for developing a latent image on the image bearing member by toner; and an abutting member which is provided on a downstream side in a moving direction of the image bearing member with respect to the electrifying device and the contacting portion of the image bearing member and abuts against the image bearing member, in which the image bearing member electrified by the electrifying device is exposed to have the latent image formed, a toner image formed on the image bearing member by the developing device is transferred to a recording material, and the developing device recovers residual toner on the image bearing member after transfer.Type: ApplicationFiled: March 26, 2001Publication date: November 15, 2001Inventors: Kenichi Shibuya, Atsushi Takeda, Fumiteru Gomi, Kouichi Hashimoto, Yoshiyuki Komiya, Shuichi Kadota
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Patent number: 6282391Abstract: An image forming apparatus where the resistivity value of magnetic carrier in a developer of a two-component developing device is higher than that of magnetic particles for charging in a magnetic brush contact charger, the charging performance of the magnetic brush charging is prevented from being lowered even when the magnetic carrier is mixed into the magnetic brush contact charger, and thus, a satisfactory image without fog, unevenness in the image, and the like can be obtained for a long time even when it is applied to a cleanerless system according to the cleaning method simultaneous with developing.Type: GrantFiled: August 1, 2000Date of Patent: August 28, 2001Assignee: Canon Kabushiki KaishaInventor: Atsushi Takeda
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Patent number: 6219509Abstract: An image forming apparatus has an auxiliary charging device provided near a transfer device side of the charging device for charging an image forming apparatus including an image bearing member bearing an electrostatic image thereon. The charging device charges the image bearing member. The charging device constitutes electrically conductive magnetic particles in contact with the image bearing member to thereby effect charging. The image forming device forms an electrostatic image on the image bearing device charged by the charging device. A developing device develops the electrostatic image on the image bearing member using a toner. A transfer device transfers the toner image on the image bearing member to a transfer material. An auxiliary charging device provided near the transfer means side of the charging device charges the residual toner after transfer to a polarity opposite to a charging polarity of the charging device, wherein the magnetic particles temporarily collect the residual toner.Type: GrantFiled: January 7, 2000Date of Patent: April 17, 2001Assignee: Canon Kabushiki KaishaInventors: Yoshiyuki Komiya, Atsushi Takeda, Fumiteru Gomi, Kouichi Hashimoto
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Patent number: 6215967Abstract: An image forming apparatus includes an image bearing member for bearing a toner image and a transfer device for transferring the toner image from the image bearing member onto a transfer material. A charging member contacts a surface of the image bearing member from which residual toner is not removed to electrically charge the image bearing member. The charging member is capable of temporarily collecting the residual toner. A cleaning device applies, to the charging member, a cleaning voltage for returning the toner to the image bearing member. An image forming device forms an electrostatic image on the image bearing member having been charged by the charging device. A developing device develops the electrostatic image on the image bearing member and collects the toner from the image bearing member. A controller controls the cleaning device to vary a cleaning condition of the charging member.Type: GrantFiled: December 23, 1998Date of Patent: April 10, 2001Assignee: Canon Kabushiki KaishaInventors: Atsushi Takeda, Fumiteru Gomi, Kouichi Hashimoto, Yoshiyuki Komiya
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Patent number: 6163670Abstract: A charging apparatus includes a magnetic brush charging member for being supplied with a voltage to electrically charge a member to be charged, said charging member including a magnetic particle layer contactable to the member to be charged and a carrying member for carrying the magnetic particle layers, wherein said magnetic particle layer is moved along a peripheral surface of said carrying member; and stirring means, contactable to said magnetic particle layer carried by said carrying member, for stirring said magnetic particle layer in a longitudinal direction of said carrying member.Type: GrantFiled: August 4, 1998Date of Patent: December 19, 2000Assignee: Canon Kabushiki KaishaInventors: Fumiteru Gomi, Atsushi Takeda, Kouichi Hashimoto, Yoshiyuki Komiya
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Patent number: 6144824Abstract: The present invention relates to an image forming method in which charges are injected into an image bearing member having a charge injecting layer on a surface thereof to thereby charge it to a predetermined polarity and charges of an opposite polarity to the predetermined polarity are imparted to the image bearing member before image formation.Type: GrantFiled: August 31, 1999Date of Patent: November 7, 2000Assignee: Canon Kabushiki KaishaInventors: Kouichi Hashimoto, Atsushi Takeda, Fumiteru Gomi, Yoshiyuki Komiya
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Patent number: 6088548Abstract: An image forming apparatus includes an image bearing member; a charging member, contactable to said image bearing member, for being supplied with a voltage to charge said image bearing member; a developing device for forming a toner image by developing with toner an electrostatic image formed on said image bearing member, and also being capable of cleaning said image bearing member to remove residual toner; and a transferring device for transferring the toner image onto a transfer material. When the apparatus stops during an image forming operation as during a jam, the voltage applied to said charging member is a superimposed voltage of an AC voltage and DC voltage and is a DC voltage without the AC voltage thereafter between resumption after jamming and the start of image formation.Type: GrantFiled: September 8, 1998Date of Patent: July 11, 2000Assignee: Canon Kabushiki KaishaInventors: Kouichi Hashimoto, Atsushi Takeda, Fumiteru Gomi, Yoshiyuki Komiya