Patents by Inventor Hiromichi Koyama
Hiromichi Koyama 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: 7350285Abstract: A method of manufacturing a movable contact unit includes manufacturing a movable contact, sticking the movable contact to a base sheet made of insulating resin, and applying demagnetization to the movable contact so that the residual magnetic flux density is smaller than the operation magnetic flux density of the magnetic sensor. In manufacturing the movable contact, elastic metal plate material is processed into a downwardly opening dome shape to form the movable contact. In a method of manufacturing a switch panel, the movable contact unit is overlaid on a wiring board having a contact, including pair an outer fixed contact and a central fixed contact, that corresponds to the movable contact so that the lower end of the outer periphery of the movable contact is mounted on the outer fixed contact.Type: GrantFiled: November 2, 2006Date of Patent: April 1, 2008Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hideki Mitsuoka, Hiromichi Koyama
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Patent number: 7329823Abstract: A movable contact element includes a base sheet provided on its bottom surface with adhesive portions which are dotted around; an adhesive portion with a predetermined width which surrounds the entire edges of the base sheet; adhesive portions with a predetermined width which surround rectangular holes formed in the base sheet; and adhesive portions with a predetermined width which surround the circumferences of the circular movable contact points.Type: GrantFiled: March 23, 2006Date of Patent: February 12, 2008Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Akira Sadamori, Hiromichi Koyama
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Patent number: 7196282Abstract: A movable contact unit arrangement includes a movable contact disposed close to a magnetic sensor. The movable contact unit includes a base sheet made of insulating resin, and a movable contact made of elastic metal plate material and having a downwardly opening dome shape. The movable contact is stuck to the base sheet. The magnetic sensor has an operation magnetic flux density during operation, and the movable contact is a demagnetized movable contact so that a residual magnetic flux density of the movable contact is smaller than the operation flux density of the magnetic sensor.Type: GrantFiled: April 11, 2006Date of Patent: March 27, 2007Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hideki Mitsuoka, Hiromichi Koyama
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Publication number: 20070050972Abstract: A method of manufacturing a movable contact unit includes manufacturing a movable contact, sticking the movable contact to a base sheet made of insulating resin, and applying demagnetization to the movable contact so that the residual magnetic flux density is smaller than the operation magnetic flux density of the magnetic sensor. In manufacturing the movable contact, elastic metal plate material is processed into a downwardly opening dome shape to form the movable contact. In a method of manufacturing a switch panel, the movable contact unit is overlaid on a wiring board having a contact, including pair an outer fixed contact and a central fixed contact, that corresponds to the movable contact so that the lower end of the outer periphery of the movable contact is mounted on the outer fixed contact.Type: ApplicationFiled: November 2, 2006Publication date: March 8, 2007Inventors: Hideki Mitsuoka, Hiromichi Koyama
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Patent number: 7186939Abstract: A small movable contact unit and a panel switch which prevent peeling from an edge even though the width between the edge of a base sheet and a movable contact is narrowed. The movable contact unit includes the movable contact and base sheet. The movable contact has a round dome shape and is made of a resilient metal sheet. The base sheet is an insulating film which adheres a dome tip of the movable contact with an adhesive applied to its undersurface for holding the movable contact at a predetermined position. A supplementary adhesive is applied to a ring non-adhesive area of the movable contact disposed near the edge of the base sheet at a portion toward the edge of the base sheet. Accordingly, the movable contact disposed near the edge is adhered to and held by the base sheet using the adhesive including the supplementary adhesive.Type: GrantFiled: November 8, 2005Date of Patent: March 6, 2007Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Naoki Sera, Hiromichi Koyama
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Patent number: 7178223Abstract: A method of manufacturing a movable contact unit includes manufacturing a movable contact, sticking the movable contact to a base sheet made of insulating resin, and applying demagnetization to the movable contact so that the residual magnetic flux density is smaller than the operation magnetic flux density of the magnetic sensor. In manufacturing the movable contact, elastic metal plate material is processed into a downwardly opening dome shape to form the movable contact. In a method of manufacturing a switch panel, the movable contact unit is overlaid on a wiring board having a contact, including pair an outer fixed contact and a central fixed contact, that corresponds to the movable contact so that the lower end of the outer periphery of the movable contact is mounted on the outer fixed contact.Type: GrantFiled: October 19, 2005Date of Patent: February 20, 2007Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hideki Mitsuoka, Hiromichi Koyama
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Publication number: 20060225996Abstract: A movable contact element includes a base sheet provided on its bottom surface with adhesive portions which are dotted around; an adhesive portion with a predetermined width which surrounds the entire edges of the base sheet; adhesive portions with a predetermined width which surround rectangular holes formed in the base sheet; and adhesive portions with a predetermined width which surround the circumferences of the circular movable contact points.Type: ApplicationFiled: March 23, 2006Publication date: October 12, 2006Inventors: Akira Sadamori, Hiromichi Koyama
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Publication number: 20060180456Abstract: A manufacturing method of a movable contact unit includes the steps of (A) manufacturing a movable contact, (B) sticking the movable contact to a base sheet made of insulating resin, and (C) applying demagnetization to the movable contact so that the residual magnetic flux density is smaller than the operation magnetic flux density of the magnetic sensor. In step A, elastic metal plate material is processed into a downwardly opening dome shape to form the movable contact. In a manufacturing method of a panel switch, the movable contact unit is overlaid on a wiring board having a pair of an outer fixed contact and a central fixed contact that correspond to the movable contact so that the lower end of the outer periphery of the movable contact is mounted on the outer fixed contact.Type: ApplicationFiled: April 11, 2006Publication date: August 17, 2006Inventors: Hideki Mitsuoka, Hiromichi Koyama
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Publication number: 20060125174Abstract: A small movable contact unit and a panel switch which prevent peeling from an edge even though the width between the edge of a base sheet and a movable contact is narrowed. The movable contact unit includes the movable contact and base sheet. The movable contact has a round dome shape and is made of a resilient metal sheet. The base sheet is an insulating film which adheres a dome tip of the movable contact with an adhesive applied to its undersurface for holding the movable contact at a predetermined position. A supplementary adhesive is applied to a ring non-adhesive area of the movable contact disposed near the edge of the base sheet at a portion toward the edge of the base sheet. Accordingly, the movable contact disposed near the edge is adhered to and held by the base sheet using the adhesive including the supplementary adhesive.Type: ApplicationFiled: November 8, 2005Publication date: June 15, 2006Inventors: Naoki Sera, Hiromichi Koyama
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Publication number: 20060081453Abstract: A manufacturing method of a movable contact unit includes the steps of (A) manufacturing a movable contact, (B) sticking the movable contact to a base sheet made of insulating resin, and (C) applying demagnetization to the movable contact so that the residual magnetic flux density is smaller than the operation magnetic flux density of the magnetic sensor. In step A, elastic metal plate material is processed into a downwardly opening dome shape to form the movable contact. In a manufacturing method of a panel switch, the movable contact unit is overlaid on a wiring board having a pair of an outer fixed contact and a central fixed contact that correspond to the movable contact so that the lower end of the outer periphery of the movable contact is mounted on the outer fixed contact.Type: ApplicationFiled: October 19, 2005Publication date: April 20, 2006Inventors: Hideki Mitsuoka, Hiromichi Koyama
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Patent number: 6906275Abstract: A movable contact unit including movable contacts localized in respective through holes of a base sheet formed from a flexible insulation substrate; a cover sheet formed from a flexible insulation substrate bonded on upper surface of the base sheet to hold respective movable contacts in the through holes; a weak adhesive layer applied on bottom surface of the base sheet of the movable contact unit except the through holes; and the movable contact unit bonded on stationary contact substrate having corresponding stationary contacts to respective movable contacts using the weak adhesive layer.Type: GrantFiled: November 13, 2002Date of Patent: June 14, 2005Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hiromichi Koyama, Koji Sako
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Patent number: 6634090Abstract: A method for production of series of tactile contact units and tactile contact unit for use in manipulating unit of a small-sized electronic device, capable of manufacturing inexpensive tactile contact units by curtailing the process, and series of tactile contact units and tactile contact units manufactured by this method are disclosed. On the upper side of a flexible insulating pad in a form of a roll film, adhesive of a predetermined pattern is printed and adhered at predetermined intervals continuously. Through-holes are disposed at predetermined positions continuously excluding positions the adhesive is printed and adhered on the flexible insulating pad. Further, tactile contacts are fixed continuously in the through-holes.Type: GrantFiled: July 11, 2001Date of Patent: October 21, 2003Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hiromichi Koyama, Toyoshi Fukumura
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Patent number: 6608273Abstract: A thin push switch used in a portable electronic apparatus includes a less number of components jointed together without any adhesive controlled hardly, and can thus be favored with mass production. The push switch includes an insulating spacer having first cramp-locked tabs cramp-locked with the first terminals of a fixed plate and second cramp-locked tabs cramp-locked with the second terminals of a contact plate. The fixed plate includes a fixed contact, and the contact plate includes a movable contact. Accordingly, the contact plate, the insulating spacer, and the fixed plate can be joined together without an adhesive.Type: GrantFiled: July 17, 2002Date of Patent: August 19, 2003Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hisashi Watanabe, Hiromichi Koyama, Koji Sako
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Publication number: 20030089585Abstract: The panel switch disclosed in this invention implements a good dust-proof property due to the configuration of:Type: ApplicationFiled: November 13, 2002Publication date: May 15, 2003Applicant: Matsushita Elec. Ind. Co. Ltd.Inventors: Hiromichi Koyama, Koji Sako
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Publication number: 20030015411Abstract: A thin push switch used in a portable electronic apparatus includes a less number of components jointed together without any adhesive controlled hardly, and can thus be favored with mass production. The push switch includes an insulating spacer having first cramp-locked tabs cramp-locked with the first terminals of a fixed plate and second cramp-locked tabs cramp-locked with the second terminals of a contact plate. The fixed plate includes a fixed contact, and the contact plate includes a movable contact. Accordingly, the contact plate, the insulating spacer, and the fixed plate can be joined together without an adhesive.Type: ApplicationFiled: July 17, 2002Publication date: January 23, 2003Inventors: Hisashi Watanabe, Hiromichi Koyama, Koji Sako
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Publication number: 20020020613Abstract: A method for production of series of tactile contact units and tactile contact unit for use in manipulating unit of a small-sized electronic device, capable of manufacturing inexpensive tactile contact units by curtailing the process, and series of tactile contact units and tactile contact units manufactured by this method are disclosed. On the upper side of a flexible insulating pad in a form of a roll film, adhesive of a predetermined pattern is printed and adhered at predetermined intervals continuously. Through-holes are disposed at predetermined positions continuously excluding positions the adhesive is printed and adhered on the flexible insulating pad. Further, tactile contacts are fixed continuously in the through-holes.Type: ApplicationFiled: July 11, 2001Publication date: February 21, 2002Inventors: Hiromichi Koyama, Toyoshi Fukumura
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Patent number: 6333477Abstract: A switch that provides a stable contact and a superior feeling of operation despite the small profile. Its movable contact point 15 comprises a round dome section 15A, a flat section 15C formed by cutting a side alley 17B for a certain specific length and a connection section 15B provided at the outer circumference of the round dome section 15A for connecting the two items 15A and 15C together. On an insulating substrate 11, a first fixed contact point 12 is provided in an area underneath the round dome section 15A, while a second fixed contact point 13 is provided under the flat section 15C always keeping contact therewith.Type: GrantFiled: February 16, 2000Date of Patent: December 25, 2001Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hiromichi Koyama, Koji Sako
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Patent number: 5845766Abstract: A movable contact element for a panel switch, wherein the movable contact element is protected against contamination until the movable contact element is assembled with a fixed contact element to form the panel switch. The movable contact element use a dome shaped inverting action type diagram made of a metal plate having a spring property. The diaphragm is fitted within an opening in a film by adhesive tape fixed to a convex side of the diaphragm and an upper surface of the film. A protective film with adhesive is glued to the lower surface side of the film to cover the concave portion of the diaphragm so as to protect the movable contact. The protective film is peeled away from the movable contact just before the movable contact is positioned over a fixed contact element and affixed thereto to form the panel switch.Type: GrantFiled: April 17, 1997Date of Patent: December 8, 1998Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Koji Sako, Hiromichi Koyama
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Patent number: 4797119Abstract: An IDC type multi-conductor cable connector and method for assembling a cable thereto. The cable connector has a plurality of contact terminals mounted in respective holes in a housing having a plurality of holes. The contact terminals each have a contact part provided at one end and an IDC type connection part provided at the other end thereof. The connector has means for temporarily holding the contact terminals in a position where the connection part of each terminal is exposed. The connector can be transported or delivered from the vendor in this state. A cable is assembled by IDC many to each exposed connection part. After the connection of the cables has been completed, the contact terminals are inserted further into their respective holes so that the connecting parts become entirely covered. Such configuration eliminates the need for a cover, a component which is necessary for ordinary IDC type connector, and enables reduction in the size of the connector and in labor costs.Type: GrantFiled: December 21, 1987Date of Patent: January 10, 1989Assignee: Fujitsu LimitedInventors: Hideo Miyazawa, Ikuhiro Andoh, Hiromichi Koyama, Mitsuru Kobayashi
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Patent number: 4714306Abstract: An IDC type multi-conductor cable connector and method for assembling cable thereto. The cable connector has a plurality of contact terminals mounted in respective holes in a housing having a plurality of holes. The contact terminals each has a contact part provided at one end and an IDC type connection part provided at the other end thereof. The connector has means for temporarily holding the contact terminals in a position where the connection part of each terminal is exposed. The connector can be transported or delivered from the vendor in this state. A cable is assembled by IDC assembling to each exposed connection part. After the connection of the cables has been completed, the contact terminals are inserted further into their respective holes so that the connection parts become entirely covered. Such configuration eliminates the need for a cover, a component which is necessary for ordinary IDC type connector, and enables reduction in the size of the connector and in labor costs.Type: GrantFiled: February 6, 1987Date of Patent: December 22, 1987Assignee: Fujitsu LimitedInventors: Hideo Miyazawa, Ikuhiro Andoh, Hiromichi Koyama, Mitsuru Kobayashi