Patents by Inventor Junji Okada
Junji Okada 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: 11451115Abstract: An electric motor includes: a stator having a sleeve shape; a rotor inside the stator; a shaft coupled to the rotor and stretching along a central axis of the stator; a board case on one end side of the stator in a direction along the central axis; a circuit board on an opposite side of the stator with the board case interposed; a heat generating component on a mounting surface, which is opposite to a surface of the circuit board oriented to a side of the stator; a casing that covers a side of the mounting surface; and a heat transfer component between a surface of the casing that faces the circuit board and the heat generating component. The board case is provided with an extension portion that extends toward the circuit board. The heat transfer component is formed with a first engagement portion with which the extension portion engages.Type: GrantFiled: July 18, 2017Date of Patent: September 20, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Takuya Nakamura, Junji Okada
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Publication number: 20210119513Abstract: An electric motor includes a frame and a bracket to constitute an outer case, a stator having a cylindrical shape accommodated in the frame, a rotor arranged inner side of the stator, a circuit board placed on a side of the stator which is close to the bracket, a heat-generating component mounted on the circuit board, and a heat sink mounted on the circuit board and thermally connected to the heat-generating component, wherein a first heat-radiating adhesive layer, an insulating sheet, and a second heat-radiating adhesive layer are arranged between the bracket and the heat sink in this order from a side close to the heat sink, and the bracket and the heat sink are thermally connected to each other.Type: ApplicationFiled: May 21, 2018Publication date: April 22, 2021Applicant: Mitsubishi Electric CorporationInventors: Junji OKADA, Junichi OZAKI, Takuya NAKAMURA, Masahiro KATO
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Publication number: 20200136469Abstract: An electric motor includes: a stator having a sleeve shape; a rotor inside the stator; a shaft coupled to the rotor and stretching along a central axis of the stator; a board case on one end side of the stator in a direction along the central axis; a circuit board on an opposite side of the stator with the board case interposed; a heat generating component on a mounting surface, which is opposite to a surface of the circuit board oriented to a side of the stator; a casing that covers a side of the mounting surface; and a heat transfer component between a surface of the casing that faces the circuit board and the heat generating component. The board case is provided with an extension portion that extends toward the circuit board. The heat transfer component is formed with a first engagement portion with which the extension portion engages.Type: ApplicationFiled: July 18, 2017Publication date: April 30, 2020Applicant: Mitsubishi Electric CorporationInventors: Takuya NAKAMURA, Junji OKADA
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Patent number: 9829822Abstract: A roller member includes a core member; a substantially round-cylindrical elastic member through which the core member extends and having chamfered portions, the chamfered portions each provided at two respective ends of the elastic member and having a surface roughness of about 50 ?m or less; and a coating film provided over an outer peripheral surface of the elastic member and at least a part of each of the chamfered portions.Type: GrantFiled: January 19, 2016Date of Patent: November 28, 2017Assignee: FUJI XEROX CO., LTD.Inventors: Kenji Omori, Koichi Matsumoto, Tomotake Inagaki, Shogo Tomari, Junji Okada
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Publication number: 20170052469Abstract: A roller member includes a core member; a substantially round-cylindrical elastic member through which the core member extends and having chamfered portions, the chamfered portions each provided at two respective ends of the elastic member and having a surface roughness of about 50 ?m or less; and a coating film provided over an outer peripheral surface of the elastic member and at least a part of each of the chamfered portions.Type: ApplicationFiled: January 19, 2016Publication date: February 23, 2017Applicant: FUJI XEROX CO., LTD.Inventors: Kenji OMORI, Koichi MATSUMOTO, Tomotake INAGAKI, Shogo TOMARI, Junji OKADA
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Patent number: 9235171Abstract: Provided is a fixing device including a heating unit that includes a circularly moving heating belt, and a pressurizing roller that presses an external face of the heating belt, the fixing device fixing a toner image on a sheet onto the sheet by nipping the sheet between the heating belt and the pressurizing roller and by heating and pressurizing the sheet transported with the toner image being held.Type: GrantFiled: May 8, 2014Date of Patent: January 12, 2016Assignee: FUJI XEROX CO., LTDInventors: Hideaki Ohara, Mitsuhiro Matsumoto, Kazuyoshi Ito, Yasuhiro Uehara, Mikio Saiki, Hiromi Nagai, Nobuyoshi Komatsu, Hiroki Murakami, Junji Okada, Kimiyuki Kawakami, Tadashi Suto
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Patent number: 9217971Abstract: A fixing device includes a rotatable endless fixing member that fixes a toner image onto a recording medium, and a heating member. The heating member includes a heat-generating layer that generates heat when supplied with electricity; an insulation layer that encloses the heat-generating layer therein to electrically insulate the heat-generating layer; a metallic layer that is laminated on a first surface of the insulation layer, has higher rigidity than the insulation layer, and generates an elastic restoring force; and a thermally conductive layer that is laminated on a second surface of the insulation layer, has lower rigidity than the metallic layer, and has higher thermal conductivity than the insulation layer and the metallic layer. The heating member is supported by one edge of the fixing member in a circumferential direction thereof, elastically deforms by being pressed against an inner peripheral surface of the fixing member, and heats the fixing member.Type: GrantFiled: February 5, 2015Date of Patent: December 22, 2015Assignee: FUJI XEROX CO., LTD.Inventors: Mitsuhiro Matsumoto, Hideaki Ohara, Yasuhiro Uehara, Kazuyoshi Ito, Mikio Saiki, Hiroki Murakami, Junji Okada, Kimiyuki Kawakami, Tadashi Suto
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Patent number: 9141053Abstract: Provided is a heating device that heats a belt which transports a medium on which a non-fixed image to be fixed onto the medium through heating is formed, the heating device including a heating element, a first insulating layer and a second insulating layer that are arranged to nip the heating element, a first supporting layer that comes into contact with the first insulating layer and a second supporting layer that comes into contact with the second insulating layer, both of which are arranged to nip the first insulating layer, the heating element, and the second insulating layer, and a connection member that connects the first supporting layer and the second supporting layer in a normal direction of the first supporting layer and the second supporting layer.Type: GrantFiled: May 8, 2014Date of Patent: September 22, 2015Assignee: FUJI XEROX CO., LTD.Inventors: Mitsuhiro Matsumoto, Yasuhiro Uehara, Kazuyoshi Ito, Hideaki Ohara, Mikio Saiki, Hiroki Murakami, Kimiyuki Kawakami, Junji Okada, Tadashi Suto
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Publication number: 20150160590Abstract: Provided is a heating device that heats a belt which transports a medium on which a non-fixed image to be fixed onto the medium through heating is formed, the heating device including a heating element, a first insulating layer and a second insulating layer that are arranged to nip the heating element, a first supporting layer that comes into contact with the first insulating layer and a second supporting layer that comes into contact with the second insulating layer, both of which are arranged to nip the first insulating layer, the heating element, and the second insulating layer, and a connection member that connects the first supporting layer and the second supporting layer in a normal direction of the first supporting layer and the second supporting layer.Type: ApplicationFiled: May 8, 2014Publication date: June 11, 2015Applicant: FUJI XEROX CO., LTD.Inventors: Mitsuhiro MATSUMOTO, Yasuhiro UEHARA, Kazuyoshi ITO, Hideaki OHARA, Mikio SAIKI, Hiroki MURAKAMI, Kimiyuki KAWAKAMI, Junji OKADA, Tadashi SUTO
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Publication number: 20150125191Abstract: Provided is a fixing device including a heating unit that includes a circularly moving heating belt, and a pressurizing roller that presses an external face of the heating belt, the fixing device fixing a toner image on a sheet onto the sheet by nipping the sheet between the heating belt and the pressurizing roller and by heating and pressurizing the sheet transported with the toner image being held.Type: ApplicationFiled: May 8, 2014Publication date: May 7, 2015Applicant: FUJI XEROX CO., LTDInventors: Hideaki OHARA, Mitsuhiro MATSUMOTO, Kazuyoshi ITO, Yasuhiro UEHARA, Mikio SAIKI, Hiromi NAGAI, Nobuyoshi KOMATSU, Hiroki MURAKAMI, Junji OKADA, Kimiyuki KAWAKAMI, Tadashi SUTO
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Patent number: 8654628Abstract: A data control device includes: a switch portion that has a plurality of first terminals on an upstream side, a plurality of second terminals on a downstream side, and a circuit portion that optionally switches a connection between the first terminals and the second terminals based on an external switching signal; and at least one control portion that has a first input/output portion on the upstream side and a second input/output portion on the downstream side, wherein the second input/output portion is connected to the first terminal of the switch portion and the first input/output portion is connected to the second terminal of the switch portion, and wherein the at least one control portion controls an input/output of data between the first input/output portion and the second input/output portion.Type: GrantFiled: June 8, 2009Date of Patent: February 18, 2014Assignee: Fuji Xerox Co., Ltd.Inventors: Seiji Suzuki, Manabu Akamatsu, Takeshi Kamimura, Junji Okada, Nobuo Mori
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Patent number: 8560745Abstract: A storage device includes a data storage section, a first control section, a communication section, a second control section and a wireless transmission/reception section. The data storage section stores data. The first control section controls reading and writing the data from and into the data storage section. The communication section transmits and receives the data through a transmission line to and from a host device. The second control section transmits and receives the data to and from the first control section and the communication section. The wireless transmission/reception section is connected to the first and second control sections, is directed toward a predetermined direction, and wirelessly transmits and receives data to and from another storage device provided in the predetermined direction.Type: GrantFiled: March 3, 2009Date of Patent: October 15, 2013Assignee: Fuji Xerox Co., Ltd.Inventors: Shinobu Ozeki, Masaru Kijima, Junji Okada
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Patent number: 8121443Abstract: An optical transmission apparatus includes an optical element that has at least one of a light emitting part and a light receiving part on a surface opposed to a mounting surface of the optical element, an optical waveguide that is made of a polymer material, and has an optical path deflecting part in a through hole or an opening, wherein the optical path deflecting part deflects an optical path of the optical with respect to the at least one of the light emitting part and the light receiving part of the optical element, and a substrate that has a mounting region on which the mounting surface of the optical element is mounted, and a plurality of waveguide holding parts, each holding the optical waveguide so that the optical path deflecting part of the optical waveguide is arranged opposite to the at least one of the light emitting part and the light receiving part of the optical element.Type: GrantFiled: February 23, 2009Date of Patent: February 21, 2012Assignee: Fuji Xerox Co., Ltd.Inventors: Junji Okada, Ryoji Ishii, Tomoaki Kojima, Kazuhiro Sakai
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Publication number: 20110128089Abstract: A signal transmission device 10 is constructed in such a way that transmitting equipment 11 and receiving equipment 12 are connected to each other via a transmission path which consists of at least hot and cold signal lines, and a signal output stage of the transmitting equipment 11 is comprised of a current output circuit 112 and a load impedance Z (113) for converting a current I0 created by the current output circuit 112 into a voltage, the load impedance Z (113) has an end connected to the hot signal line (H) of the transmission path 13 and another end connected to the cold signal line (C) of the transmission path, and the cold signal line (C) of the transmission path is connected to a ground terminal (GNDB) of the receiving equipment 12.Type: ApplicationFiled: September 29, 2009Publication date: June 2, 2011Inventors: Kohei Teramoto, Tsuyoshi Nakada, Hirofumi Sada, Toshiyuki Okusa, Junji Okada, Hayato Imamura
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Patent number: 7924861Abstract: A signal communication apparatus includes a transmission component, a reception component and an identification information storage component. The transmission component is connectable to an information processing device and a signal propagation medium, and transmits an inputted image signal through the connected signal propagation medium. The reception component is connectable with an image display device and the signal propagation medium, receives the image signal transmitted from the transmission component through the connected signal propagation medium, and outputs the image signal to the connected image display device. The identification information storage component is removably attached to the transmission component, and stores identification information for identifying the image display device.Type: GrantFiled: November 15, 2005Date of Patent: April 12, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Tomo Baba, Kazuhiro Suzuki, Hisayoshi Mori, Kazuhiro Sakai, Junji Okada, Masao Funada, Shinobu Ozeki, Shinya Kyozuka, Takehiro Niitsu, Hidenori Yamada
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Patent number: 7890682Abstract: A semiconductor storage device includes an external input/output port. A system bus of a server, which is extended to outside of the server, is connected to the external input/output port directly as a serial interface.Type: GrantFiled: August 16, 2006Date of Patent: February 15, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Takeshi Kamimura, Norihiko Kuroishi, Masao Funada, Jun Kitamura, Kunihiro Seno, Seiji Suzuki, Shinobu Ozeki, Masaru Kijima, Junji Okada, Yoshihide Sato, Kenichi Kobayashi
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Patent number: 7883278Abstract: An optical module includes: a plurality of leads arranged in at least two lines, at least portions of the plurality of the leads being mounted on a circuit board; an optical semiconductor for emitting or receiving an optical signal; and a circuit portion connected to the optical semiconductor, for transmitting a pair of differential signals to or receiving a pair of differential signals from the circuit board through a pair of differential signal leads among the plurality of the leads. The pair of the differential signal leads are provided adjacent and in parallel to each other in one of the at least two lines.Type: GrantFiled: February 17, 2006Date of Patent: February 8, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Osamu Ueno, Junji Okada, Kazuhiro Sakai, Osamu Ohtani
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Patent number: 7796848Abstract: An electronic apparatus includes: a first frame and a second frame that are relatively movable; a frame boundary portion that is provided between the first frame and the second frame; a light emitting portion that is provided on the first frame and transmits an optical signal; a light receiving portion that is provided on the second frame and receives the optical signal; and an optical transmission medium that transmits the optical signal between the frame boundary portion and at least one of the light emitting portion and the light receiving portion, wherein an optical transmission between the light emitting portion and the light receiving portion via the optical transmission medium is effected at the frame boundary portion by a spatial optical transmission.Type: GrantFiled: October 30, 2006Date of Patent: September 14, 2010Assignee: Fuji Xerox Co., Ltd.Inventors: Osamu Ueno, Masao Funada, Tsutomu Hamada, Junji Okada, Takehiro Niitsu
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Publication number: 20100213792Abstract: A multilayered piezoelectric element in which first internal electrodes include first exposed portions formed at the end portion of a first piezoelectric material. And the second internal electrodes include second exposed portions formed at the end portion of a second piezoelectric material.Type: ApplicationFiled: May 3, 2010Publication date: August 26, 2010Applicant: OLYMPUS CORPORATIONInventors: Nagahide SAKAI, Yasuaki KASAI, Junji OKADA, Katsuji HORIUCHI
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Patent number: 7759840Abstract: When a piezoelectric ceramic sheet is divided into two equal parts in a longitudinal direction and two equal parts in a width direction to form four regions, internal electrodes are disposed over each region and are disposed so that surface areas occupied in each region are substantially the same, and a longitudinal vibration is detected based on a potential difference between the internal electrodes.Type: GrantFiled: August 3, 2007Date of Patent: July 20, 2010Assignee: Olympus CorporationInventors: Tomoki Funakubo, Nagahide Sakai, Junji Okada