Patents by Inventor Kotatsu Kawaguchi
Kotatsu Kawaguchi 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).
-
Patent number: 10386762Abstract: A heating unit includes a circuit board, heating parts, and electrode parts. The heating parts are arranged in a first direction on a surface of the circuit board. The electrode parts are disposed on the surface of the circuit board, and electrically connected to both sides of the heating parts in a second direction that is orthogonal to the first direction. Each of the heating parts includes a plurality of heating resistors that is arranged in the first direction. Each of the heating resistors has a size ratio of a first length in the second direction to a second length in the first direction is 1 or more and 100 or less.Type: GrantFiled: August 11, 2018Date of Patent: August 20, 2019Assignees: KYOCERA Document Solutions Inc., KYOCERA CorporationInventors: Takashi Eiki, Hiroki Kawasaki, Ryohei Tokunaga, Atsushi Kohama, Yuhiro Sakai, Kotatsu Kawaguchi, Hidenobu Nakagawa
-
Publication number: 20190146388Abstract: A heating unit includes a circuit board, a plurality of heating parts, and a plurality of wiring parts. The heating parts are arranged in a first direction on a surface of the circuit board. The wiring parts are provided on the surface of the circuit board and electrically connect the heating parts and a power source to feed the heating parts. The wiring parts respectively include electrode terminal parts electrically connected to the power source outside the heating parts in the first direction. Sizes in a second direction orthogonal to the first direction of the heating parts are set to decrease gradually or stepwisely with separating in the first direction from the electrode terminal parts.Type: ApplicationFiled: November 8, 2018Publication date: May 16, 2019Applicant: KYOCERA Document Solutions Inc.Inventors: Hiroki KAWASAKI, Takashi EIKI, Kotatsu KAWAGUCHI, Ryohei TOKUNAGA, Atsushi KOHAMA, Yuhiro SAKAI, Sadanori NAKAE, Yuta KITABAYASHI, Shunsaku FUJII
-
Publication number: 20190056684Abstract: The fixing device includes a fixing member, a pressing member, and a heat source. The fixing member heats toner on a medium. The pressing member forms a pressing area with the fixing member and presses the toner. The heat source is provided corresponding to the pressing area across the fixing member and heats the fixing member. The heat source includes a heat insulation layer and a heating and contacting part. The heat insulation layer is laminated on a base material and has a convex part that protrudes toward the fixing member. The heating and contacting part is laminated on the heat insulation layer that has the convex part and contacts to an inner surface of the fixing member so as to heat the fixing member. The convex part protrudes the heating and contacting part laminated thereon toward the fixing member so as to maximize pressure in the pressing area.Type: ApplicationFiled: August 10, 2018Publication date: February 21, 2019Applicant: KYOCERA Document Solutions Inc.Inventors: Takashi EIKI, Hiroki KAWASAKI, Ryohei TOKUNAGA, Atsushi KOHAMA, Yuhiro SAKAI, Kotatsu KAWAGUCHI
-
Publication number: 20190056685Abstract: A heating unit includes a circuit board, heating parts, and electrode parts. The heating parts are arranged in a first direction on a surface of the circuit board. The electrode parts are disposed on the surface of the circuit board, and electrically connected to both sides of the heating parts in a second direction that is orthogonal to the first direction. Each of the heating parts includes a plurality of heating resistors that is arranged in the first direction. Each of the heating resistors has a size ratio of a first length in the second direction to a second length in the first direction is 1 or more and 100 or less.Type: ApplicationFiled: August 11, 2018Publication date: February 21, 2019Applicants: KYOCERA Document Solutions Inc., KYOCERA CorporationInventors: Takashi EIKI, Hiroki KAWASAKI, Ryohei TOKUNAGA, Atsushi KOHAMA, Yuhiro SAKAI, Kotatsu KAWAGUCHI, Hidenobu NAKAGAWA
-
Patent number: 9817344Abstract: A fixing device includes a heating body, a pressuring body, a temperature detecting part, a first frame supporting the heating body, a second frame supporting the pressuring body and a moving mechanism. The temperature detecting part has a detecting element detecting an infrared ray radiated from the heating body and detects temperature of the heating body by the detecting element. The first frame includes a heat interrupting member covering the heating body between the heating body and the temperature detecting part. The moving mechanism moves the first frame in an approaching direction or a separating direction from the second frame to establish the heating body and the pressuring body in a pressurization state or a depressurization state. The heat interrupting member includes an aperture elongated in a movement direction of the first frame to pass the infrared ray radiated from the heating body to the detecting element through the aperture.Type: GrantFiled: September 21, 2016Date of Patent: November 14, 2017Assignee: KYOCERA Document Solutions Inc.Inventors: Takefumi Yotsutsuji, Yoshihiro Yamagishi, Takashi Eiki, Kotatsu Kawaguchi
-
Patent number: 9804547Abstract: A fixing device includes a fixing belt rotatably located around a rotation axis, a pressure member rotatably located, and a pressing member. The pressure member is brought into pressure contact with the fixing belt to form a fixing nip. The pressing member includes a pressing surface that presses the fixing belt toward a side of the pressure member. The pressing surface includes a plane surface portion extending along a conveyance direction of a recording medium, and a curved surface portion located at a downstream side of the plane surface portion in the conveyance direction of the recording medium. The curved surface portion is curved along an outer peripheral surface of the pressure member. The curved surface portion has a curvature radius larger than a curvature radius of the outer peripheral surface of the pressure member before a deformation in association with a formation of the fixing nip.Type: GrantFiled: September 14, 2016Date of Patent: October 31, 2017Assignee: KYOCERA Document Solutions Inc.Inventors: Yoshihiro Yamagishi, Kotatsu Kawaguchi, Takashi Eiki, Takefumi Yotsutsuji
-
Patent number: 9778607Abstract: Provided is a fixing device including a pair of end deformation restraint members. A restraint body 35 of the end deformation restraint member has an insertion part 38 which is inserted into both end portions of a fixing belt, and restrains deformation of belt end portions by holding both end portions of the fixing belt, which slides on an outer peripheral surface of the insertion part 38, from inside in the insertion part 38. The insertion part 38 is continued in a belt rotation direction with no gap.Type: GrantFiled: July 12, 2016Date of Patent: October 3, 2017Assignee: KYOCERA DOCUMENT SOLUTIONS INC.Inventors: Kotatsu Kawaguchi, Yoshihiro Yamagishi, Takashi Eiki, Takefumi Yotsutsuji
-
Publication number: 20170102655Abstract: A fixing device includes a fixing belt rotatably located around a rotation axis, a pressure member rotatably located, and a pressing member. The pressure member is brought into pressure contact with the fixing belt to form a fixing nip. The pressing member includes a pressing surface that presses the fixing belt toward a side of the pressure member. The pressing surface includes a plane surface portion extending along a conveyance direction of a recording medium, and a curved surface portion located at a downstream side of the plane surface portion in the conveyance direction of the recording medium. The curved surface portion is curved along an outer peripheral surface of the pressure member. The curved surface portion has a curvature radius larger than a curvature radius of the outer peripheral surface of the pressure member before a deformation in association with a formation of the fixing nip.Type: ApplicationFiled: September 14, 2016Publication date: April 13, 2017Applicant: KYOCERA Document Solutions Inc.Inventors: Yoshihiro YAMAGISHI, Kotatsu KAWAGUCHI, Takashi EIKI, Takefumi YOTSUTSUJI
-
Publication number: 20170090363Abstract: A fixing device includes a heating body heated by a heat source, a pressuring body, a conversion temperature detecting part, a substrate temperature detecting part, a lens temperature detecting part, a conversion temperature correcting part and a controller. The conversion temperature detecting part has an infrared ray detecting element mounted to a substrate detecting an infrared ray from the heating body and a lens optically focusing the infrared ray onto the infrared ray detecting element. The conversion temperature detecting part detects conversion temperature of surface temperature of the heating body with detection result of the infrared ray detecting element. The substrate temperature detecting part detects substrate temperature. The lens temperature detecting part detects lens temperature. The conversion temperature correcting part corrects the conversion temperature with the substrate temperature and the lens temperature.Type: ApplicationFiled: September 15, 2016Publication date: March 30, 2017Applicant: KYOCERA Document Solutions Inc.Inventors: Takefumi YOTSUTSUJI, Yoshihiro YAMAGISHI, Takashi EIKI, Kotatsu KAWAGUCHI
-
Publication number: 20170090364Abstract: A fixing device includes a heating body, a pressuring body, a temperature detecting part, a first frame supporting the heating body, a second frame supporting the pressuring body and a movement mechanism. The temperature detecting part has a detecting element detecting an infrared ray radiated from the heating body and detects temperature of the heating body by the detecting element. The first frame includes a heat interrupting member covering the heating body between the heating body and the temperature detecting part. The movement mechanism moves the first frame in an approaching direction or a separating direction from the second frame to establish the heating body and the pressuring body in a pressurization state or a depressurization state. The heat interrupting member includes an aperture elongated in a movement direction of the first frame to pass the infrared ray radiated from the heating body to the detecting element through the aperture.Type: ApplicationFiled: September 21, 2016Publication date: March 30, 2017Applicant: KYOCERA Document Solutions Inc.Inventors: Takefumi YOTSUTSUJI, Yoshihiro YAMAGISHI, Takashi EIKI, Kotatsu KAWAGUCHI
-
Publication number: 20170017183Abstract: Provided is a fixing device including a pair of end deformation restraint members. A restraint body 35 of the end deformation restraint member has an insertion part 38 which is inserted into both end portions of a fixing belt, and restrains deformation of belt end portions by holding both end portions of the fixing belt, which slides on an outer peripheral surface of the insertion part 38, from inside in the insertion part 38. The insertion part 38 is continued in a belt rotation direction with no gap.Type: ApplicationFiled: July 12, 2016Publication date: January 19, 2017Applicant: KYOCERA Document Solutions Inc.Inventors: Kotatsu KAWAGUCHI, Yoshihiro YAMAGISHI, Takashi EIKI, Takefumi YOTSUTSUJI
-
Patent number: 9513236Abstract: A radiation detecting apparatus is provided. The radiation detecting apparatus includes a plurality of detector modules arranged in a channel direction, each detector module including a plurality of detecting elements arranged in matrix form in the channel direction and a slice direction, and a heat radiating unit thermally coupled to the detecting elements and provided on an X-ray outgoing side of the detecting elements, a wind blowing unit configured to send wind to the heat radiating units of the detector modules in the slice direction, first wind shielding portions provided on a radiation outgoing side of the heat radiating units and configured to shield the wind in a radiation irradiating direction, and second wind shielding portions provided on a radiation incoming side of the heat radiating units and configured to shield the wind in the radiation irradiating direction.Type: GrantFiled: November 26, 2014Date of Patent: December 6, 2016Assignee: GENERAL ELECTRIC COMPANYInventors: Kotatsu Kawaguchi, Joseph James Lacey, Richard Paul Vandeweghe
-
Patent number: 9471018Abstract: A fixing device includes a fixing belt, a cap member, a first elastic member, and a second elastic member. The cap member is attached to an end portion of the fixing belt. The first elastic member is mounted in the cap member so as to be opposite to an outer circumferential surface of the fixing belt. The first elastic member is ring-shaped. The second elastic member is mounted in the cap member so as to be opposite to an inner circumferential surface of the fixing belt. The second elastic member is ring-shaped. The first elastic member is in pressed contact with the cap member and with the outer circumferential surface of the fixing belt. The second elastic member is disposed with a space from the inner circumferential surface of the fixing belt and thermally expands toward the inner circumferential surface of the fixing belt.Type: GrantFiled: December 8, 2015Date of Patent: October 18, 2016Assignee: KYOCERA Document Solutions Inc.Inventor: Kotatsu Kawaguchi
-
Publication number: 20160179043Abstract: A fixing device includes a fixing belt, a cap member, a first elastic member, and a second elastic member. The cap member is attached to an end portion of the fixing belt. The first elastic member is mounted in the cap member so as to be opposite to an outer circumferential surface of the fixing belt. The first elastic member is ring-shaped. The second elastic member is mounted in the cap member so as to be opposite to an inner circumferential surface of the fixing belt. The second elastic member is ring-shaped. The first elastic member is in pressed contact with the cap member and with the outer circumferential surface of the fixing belt. The second elastic member is disposed with a space from the inner circumferential surface of the fixing belt and thermally expands toward the inner circumferential surface of the fixing belt.Type: ApplicationFiled: December 8, 2015Publication date: June 23, 2016Applicant: KYOCERA Document Solutions Inc.Inventor: Kotatsu KAWAGUCHI
-
Publication number: 20150156920Abstract: A radiation detecting apparatus is provided. The radiation detecting apparatus includes a plurality of detector modules arranged in a channel direction, each detector module including a plurality of detecting elements arranged in matrix form in the channel direction and a slice direction, and a heat radiating unit thermally coupled to the detecting elements and provided on an X-ray outgoing side of the detecting elements, a wind blowing unit configured to send wind to the heat radiating units of the detector modules in the slice direction, first wind shielding portions provided on a radiation outgoing side of the heat radiating units and configured to shield the wind in a radiation irradiating direction, and second wind shielding portions provided on a radiation incoming side of the heat radiating units and configured to shield the wind in the radiation irradiating direction.Type: ApplicationFiled: November 26, 2014Publication date: June 4, 2015Applicant: GENERAL ELECTRIC COMPANYInventors: Kotatsu Kawaguchi, Joseph James Lacey, Richard Paul Vandeweghe
-
Patent number: 8890080Abstract: A detector module configured to be included in an array of a plurality of detector modules that form a radiation detector is provided. The detector module includes a light emitting element configured to emit fluorescence upon receiving radiation, a light receiving element configured to convert the fluorescence into an electrical signal, and at least one support member located on a side opposite from said light emitting element, said at least one support member configured to support a light shielding member which covers a gap formed between adjacent detector modules in the array.Type: GrantFiled: February 21, 2013Date of Patent: November 18, 2014Assignee: GE Medical Systems Global Technology Company, LLCInventors: Yoshiyasu Kuroda, Kotatsu Kawaguchi