Patents by Inventor Hidetake Kikuchi
Hidetake Kikuchi 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: 11948758Abstract: A push switch contains a circuit substrate, two fixed contacts disposed on the circuit substrate, a dome-shaped spring which is disposed above the two fixed contacts and can be displaced between a first position in which the two fixed contacts are in a non-conductive state and a second position in which the two fixed contacts are in a conductive state and a conductive elastic member disposed on a surface of the dome-shaped spring facing the circuit substrate and having a surface facing the two fixed contacts. At least the surface of the conductive elastic member facing the two fixed contacts has conductivity. When the dome-shaped spring is displaced to the second position, the two fixed contacts are in the conductive state through the conductive elastic member.Type: GrantFiled: January 17, 2023Date of Patent: April 2, 2024Assignee: MITSUMI ELECTRIC CO., LTD.Inventors: Daiki Fujimoto, Hidetake Kikuchi
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Publication number: 20230154699Abstract: A push switch contains a circuit substrate, two fixed contacts disposed on the circuit substrate, a dome-shaped spring which is disposed above the two fixed contacts and can be displaced between a first position in which the two fixed contacts are in a non-conductive state and a second position in which the two fixed contacts are in a conductive state and a conductive elastic member disposed on a surface of the dome-shaped spring facing the circuit substrate and having a surface facing the two fixed contacts. At least the surface of the conductive elastic member facing the two fixed contacts has conductivity. When the dome-shaped spring is displaced to the second position, the two fixed contacts are in the conductive state through the conductive elastic member.Type: ApplicationFiled: January 17, 2023Publication date: May 18, 2023Inventors: Daiki FUJIMOTO, Hidetake KIKUCHI
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Patent number: 11594385Abstract: A push switch contains a circuit substrate, two fixed contacts disposed on the circuit substrate, a dome-shaped spring which is disposed above the two fixed contacts and can be displaced between a first position in which the two fixed contacts are in a non-conductive state and a second position in which the two fixed contacts are in a conductive state and a conductive elastic member disposed on a surface of the dome-shaped spring facing the circuit substrate and having a surface facing the two fixed contacts. At least the surface of the conductive elastic member facing the two fixed contacts has conductivity. When the dome-shaped spring is displaced to the second position, the two fixed contacts are in the conductive state through the conductive elastic member.Type: GrantFiled: March 31, 2021Date of Patent: February 28, 2023Assignee: MITSUMI ELECTRIC CO., LTD.Inventors: Daiki Fujimoto, Hidetake Kikuchi
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Publication number: 20210335559Abstract: A push switch contains a circuit substrate, two fixed contacts disposed on the circuit substrate, a dome-shaped spring which is disposed above the two fixed contacts and can be displaced between a first position in which the two fixed contacts are in a non-conductive state and a second position in which the two fixed contacts are in a conductive state and a conductive elastic member disposed on a surface of the dome-shaped spring facing the circuit substrate and having a surface facing the two fixed contacts. At least the surface of the conductive elastic member facing the two fixed contacts has conductivity. When the dome-shaped spring is displaced to the second position, the two fixed contacts are in the conductive state through the conductive elastic member.Type: ApplicationFiled: March 31, 2021Publication date: October 28, 2021Inventors: Daiki FUJIMOTO, Hidetake KIKUCHI
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Patent number: 9704667Abstract: A switch includes a case, fixed electrodes, a movable electrode and a pressing member. The fixed electrodes and the movable electrode are arranged inside the recess. The pressing member is arranged so as to cover at least a part of the recess, and displaces the movable electrode from the second position to the first position by a pressing force from the outside. The pressing member includes a first bent part and a second bent part, and a deforming part disposed therebetween. The deforming part is opposed to the movable electrode with a gap in a state where the movable electrode is in the second position. The deforming part is configured to be flexibly deformed toward the outside of the case in a state where the movable electrode is in the first position in which the fixed electrodes are in a conductive state.Type: GrantFiled: April 19, 2016Date of Patent: July 11, 2017Assignee: Mitsumi Electric Co., Ltd.Inventor: Hidetake Kikuchi
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Publication number: 20170062149Abstract: A switch is provided with a case, a plurality of fixed conductive member, a movable conductive member, and a waterproof part. The case is formed of a first resin. The waterproof part is formed of a second resin whose adhesion to the plurality of fixed conductive members is higher than an adhesion of the first resin to the plurality of fixed conductive members. Each of the plurality of fixed conductive members includes a first portion arranged inside a recess of the case, a second portion exposed to an outside of the case, and a third portion positioned between the first portion and the second portion. The waterproof part surrounds the third portion of the each of the plurality of fixed conductive members.Type: ApplicationFiled: August 29, 2016Publication date: March 2, 2017Applicant: Mitsumi Electric Co., Ltd.Inventors: Atsushi Kodama, Hidetake Kikuchi
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Publication number: 20160233035Abstract: A switch includes a case, fixed electrodes, a movable electrode and a pressing member. The fixed electrodes and the movable electrode are arranged inside the recess. The pressing member is arranged so as to cover at least a part of the recess, and displaces the movable electrode from the second position to the first position by a pressing force from the outside. The pressing member includes a first bent part and a second bent part, and a deforming part disposed therebetween. The deforming part is opposed to the movable electrode with a gap in a state where the movable electrode is in the second position. The deforming part is configured to be flexibly deformed toward the outside of the case in a state where the movable electrode is in the first position in which the fixed electrodes are in a conductive state.Type: ApplicationFiled: April 19, 2016Publication date: August 11, 2016Applicant: Mitsumi Electirc CO., LTD.Inventor: Hidetake Kikuchi
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Patent number: 9368298Abstract: A switch includes a case, fixed electrodes, a movable electrode and a pressing member. The fixed electrodes and the movable electrode are arranged inside the recess. The pressing member is arranged so as to cover at least a part of the recess, and displaces the movable electrode from the second position to the first position by a pressing force from the outside. The pressing member includes a first bent part and a second bent part, and a deforming part disposed therebetween. The deforming part is opposed to the movable electrode with a gap in a state where the movable electrode is in the second position. The deforming part is configured to be flexibly deformed toward the outside of the case in a state where the movable electrode is in the first position in which the fixed electrodes are in a conductive state.Type: GrantFiled: October 3, 2013Date of Patent: June 14, 2016Assignee: Mitsumi Electric Co., Ltd.Inventor: Hidetake Kikuchi
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Patent number: 8723065Abstract: A switch includes an insulative case with fixed electrodes and a movable electrode therein. The case includes a first surface configured to contact with a circuit board and a second surface configured to oppose to the circuit board via a gap. The movable electrode moves between a first position for placing the fixed electrodes in a conductive state and a second position for placing the fixed electrodes in a nonconductive state. Each of the fixed electrodes includes a contact terminal which contacts with the movable electrode and an external connecting terminal exposed on the second surface and soldered to a land of a wiring terminal on the circuit board. The external connecting terminal includes a first portion opposed to the land and a second portion connected to the first portion that has an area larger than an area of the first portion.Type: GrantFiled: November 3, 2011Date of Patent: May 13, 2014Assignee: Mitsumi Electric Co., Ltd.Inventors: Hidetake Kikuchi, Takashi Kawamura
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Publication number: 20140097073Abstract: A switch includes a case, fixed electrodes, a movable electrode and a pressing member. The fixed electrodes and the movable electrode are arranged inside the recess. The pressing member is arranged so as to cover at least a part of the recess, and displaces the movable electrode from the second position to the first position by a pressing force from the outside. The pressing member includes a first bent part and a second bent part, and a deforming part disposed therebetween. The deforming part is opposed to the movable electrode with a gap in a state where the movable electrode is in the second position. The deforming part is configured to be flexibly deformed toward the outside of the case in a state where the movable electrode is in the first position in which the fixed electrodes are in a conductive state.Type: ApplicationFiled: October 3, 2013Publication date: April 10, 2014Applicant: MITSUMI ELECTRIC CO., LTD.Inventor: Hidetake KIKUCHI
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Publication number: 20130087443Abstract: A switch includes a case including a recess, a plurality of fixed electrodes provided in the recess, a movable electrode provided in the recess, a pressing member and a buffer member. The case is mounted on a circuit board. The movable electrode is displaced between a first position where the plurality of fixed electrodes are electrically connected each other and a second position where the plurality of fixed electrodes are not electrically connected each other. The pressing member covers at least a portion of the recess, and displaces the movable electrode from the second position to the first position by a pressing force applied from outside. The buffer member is interposed between the movable electrode and the pressing member, and is elastically deformed by the pressing force.Type: ApplicationFiled: October 3, 2012Publication date: April 11, 2013Inventor: Hidetake Kikuchi
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Publication number: 20130068599Abstract: There is provided a switch including a case, fixed electrodes provided in the case, a movable electrodes and a pressing member. The movable electrode is provided in the case, and is displaced between a first position where the fixed electrodes are electrically connected to each other and a second position where the fixed electrodes are insulated from each other. The pressing member displaces the movable electrode from the second position to the first position when a pressing force from outside is applied to the pressing member. The pressing member is elastically deformed by the pressing force so that a contact area between the pressing member and the movable electrode is increased.Type: ApplicationFiled: September 12, 2012Publication date: March 21, 2013Inventor: Hidetake Kikuchi
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Publication number: 20120118720Abstract: A switch includes an insulative case with fixed electrodes and a movable electrode therein. The case includes a first surface configured to contact with a circuit board and a second surface configured to oppose to the circuit board via a gap. The movable electrode moves between a first position for placing the fixed electrodes in a conductive state and a second position for placing the fixed electrodes in a nonconductive state. Each of the fixed electrodes includes a contact terminal which contacts with the movable electrode and an external connecting terminal exposed on the second surface and soldered to a land of a wiring terminal on the circuit board. The external connecting terminal includes a first portion opposed to the land and a second portion connected to the first portion that has an area larger than an area of the first portion.Type: ApplicationFiled: November 3, 2011Publication date: May 17, 2012Inventors: Hidetake Kikuchi, Takashi Kawamura
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Patent number: 8119944Abstract: An electronic device adapted to be mounted on a circuit board is disclosed. A housing is made of an insulative material. The housing includes a first face adapted to oppose the circuit board, a second face and a third face which respectively intersect with the first face. A cover covers a part of the housing and is made of a conductive material. An earth contact member is made of a conductive material and integrally molded with the housing. The earth contact member has a first terminal extending from the first face to the second face and a second terminal disposed on the third face and being in contact with the cover. The first terminal is adapted to be soldered on an earth circuit on the circuit board.Type: GrantFiled: April 23, 2009Date of Patent: February 21, 2012Assignee: Mitsumi Electric Co., Ltd.Inventors: Hidetake Kikuchi, Takashi Kawamura
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Patent number: 8115130Abstract: A switch-type electronic device adapted to be mounted on a circuit board is disclosed. A housing is made of an insulative material. The housing includes a first face adapted to oppose the circuit board and a second face intersecting with the first face and formed with a projection. A cover is made of a conductive material. The cover includes a first part covering a side of the housing opposite to the first face, at least one second part extending from the first part and opposing the second face, and a third part extending from each of the at least one second part and engaging with the projection. An operating member includes a first part disposed outside the housing and adapted to be operated by a user, and a second part disposed in the housing and configured to switch the electronic device between a first state and a second state when the first part is operated by the user.Type: GrantFiled: April 23, 2009Date of Patent: February 14, 2012Assignee: Mitsumi Electric Co., Ltd.Inventors: Hidetake Kikuchi, Shigemi Kawaguchi
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Patent number: 8091212Abstract: A method of manufacturing a panel switch is provided. The panel switch includes insulating films and a base layer having a stationary contact. Each insulating film includes an adhesive layer, and an apex portion of a moving contact adhered to the adhesive layer. The insulating films are aligned and adhered on top of each other and the adhered insulating films are aligned and adhered to the base layer such that the locations of the moving contacts of the respective insulating films align with the stationary contact of the base layer. The method includes applying an adhesive layer to an insulating film; adhering a moving contact onto the adhesive layer; aligning the moving contact with a stationary contact of a base member and adhering the insulating film to the base member; and cutting and removing an excess portion from the insulating film with a laser.Type: GrantFiled: June 26, 2008Date of Patent: January 10, 2012Assignee: Mitsumi Electric Co., Ltd.Inventors: Hidetake Kikuchi, Toshihiko Terashita, Tsuyoshi Inoue, Takashi Kawamura
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Publication number: 20090266698Abstract: A switch-type electronic device adapted to be mounted on a circuit board is disclosed. A housing is made of an insulative material. The housing includes a first face adapted to oppose the circuit board and a second face intersecting with the first face and formed with a projection. A cover is made of a conductive material. The cover includes a first part covering a side of the housing opposite to the first face, at least one second part extending from the first part and opposing the second face, and a third part extending from each of the at least one second part and engaging with the projection. An operating member includes a first part disposed outside the housing and adapted to be operated by a user, and a second part disposed in the housing and configured to switch the electronic device between a first state and a second state when the first part is operated by the user.Type: ApplicationFiled: April 23, 2009Publication date: October 29, 2009Inventors: Hidetake Kikuchi, Shigemi Kawaguchi
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Publication number: 20090266689Abstract: An electronic device adapted to be mounted on a circuit board is disclosed. A housing is made of an insulative material. The housing includes a first face adapted to oppose the circuit board, a second face and a third face which respectively intersect with the first face. A cover covers a part of the housing and is made of a conductive material. An earth contact member is made of a conductive material and integrally molded with the housing. The earth contact member has a first terminal extending from the first face to the second face and a second terminal disposed on the third face and being in contact with the cover. The first terminal is adapted to be soldered on an earth circuit on the circuit board.Type: ApplicationFiled: April 23, 2009Publication date: October 29, 2009Inventors: Hidetake Kikuchi, Takashi Kawamura
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Patent number: 7507926Abstract: A case is defining a chamber. A slider is disposed in the chamber and being movable between a first position and a second position. A first contact member is disposed in the chamber and being movable in conjunction with the slider. A second contact member is disposed in the chamber. An urging member is disposed in the chamber. A projection portion is adapted to be fitted with a first recess portion. When the slider is located in the first position, the first contact member comes in contact with the second contact member and the projection portion is not fitted with the first recess portion. When the slider is in the second position, the first contact member is separated from the second contact member, the projection portion is fitted with the first recess portion, and the urging member urges the slider toward the first position.Type: GrantFiled: May 30, 2007Date of Patent: March 24, 2009Assignee: Mitsumi Electric Co., Ltd.Inventors: Takashi Kawamura, Takahiro Sasaki, Hidetake Kikuchi
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Publication number: 20090000934Abstract: A panel switch and a method of manufacturing the same are provided. The panel switch includes insulating films and a base layer having a stationary contact. Each insulating film includes an adhesive layer, and an apex portion of a moving contact adhered to the adhesive layer. The insulating films are aligned and adhered on top of each other and the adhered insulating films are aligned and adhered to the base layer such that the locations of the moving contacts of the respective insulating films align with the stationary contact of the base layer. The method includes applying an adhesive layer to an insulating film; adhering a moving contact onto the adhesive layer; aligning the moving contact with a stationary contact of a base member and adhering the insulating film to the base member; and cutting and removing an excess portion from the insulating film with a laser.Type: ApplicationFiled: June 26, 2008Publication date: January 1, 2009Inventors: Hidetake KIKUCHI, Toshihiko TERASHITA, Tsuyoshi INOUE, Takashi KAWAMURA