Patents by Inventor Koji Ishikawa
Koji Ishikawa 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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Publication number: 20130002281Abstract: A contact probe having a substantially flat plate shape, used to connect different substrates and having a uniform plate thickness includes: a first contact portion which has a side surface curved in an arc shape and which makes contact with one substrate at the side surface thereof; a second contact portion which has a side surface curved in an arc shape and which makes contact with the other substrate at the side surface thereof; a connection portion which connects the first contact portion and the second contact portion; and an elastic portion which extends from the second contact portion, has a portion curved in an arc shape, and is elastically deformed by a load applied to the first contact portion and the second contact portion.Type: ApplicationFiled: March 14, 2011Publication date: January 3, 2013Applicant: NHK SPRING CO., LTD.Inventors: Takahiro Motegi, Akihiro Matsui, Koji Ishikawa
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Patent number: 8289720Abstract: An electronic apparatus includes an outer cover member, an internal structure member, first and second external connection connectors, and first and second printed circuit boards. The first printed circuit board has a first surface on which the first external connector is mounted thereon, a signal pattern of the first external connector is formed on the first surface, and a second surface. The second printed circuit board has a first surface on which the second external connector is mounted thereon, a signal pattern of the second external connector is formed on the first surface, and a second surface. Ground patterns are formed on the second surfaces of the printed circuit boards. The first and second external connectors overlap and are arranged in a space surrounded by the outer cover member and the internal structure member so that the second surfaces of the first and second printed circuit boards face each other.Type: GrantFiled: February 3, 2010Date of Patent: October 16, 2012Assignee: Canon Kabushiki KaishaInventor: Koji Ishikawa
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Publication number: 20120145525Abstract: A printed wiring board has a first switch contact pattern, a second switch contact pattern, and a cutting portion that cuts a plating bar formed thereon. A metal dome is arranged to be in contact with the first switch contact pattern and allows the first switch contact pattern and the second switch contact pattern to be conductive by being deformed. A first sheet attached to the printed wiring board via an adhesive has a first opening portion formed in a region where the metal dome is arranged and a second opening portion formed in the region where a cutting portion is formed. A second sheet is attached to the first sheet via the adhesive to cover the first opening portion and the second opening portion.Type: ApplicationFiled: November 16, 2011Publication date: June 14, 2012Applicant: CANON KABUSHIKI KAISHAInventor: Koji Ishikawa
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Publication number: 20120113308Abstract: If a movable unit connected to a main body and is rotatable around a first axis as a rotation center with respect to the main body in which a magnetic field generating member is provided is rotated around the first axis with respect to the main body, a magnetic field detection sensor arranged near the first axis rotates and a direction of a magnetic field that can be detected by the magnetic field detection sensor changes.Type: ApplicationFiled: November 1, 2011Publication date: May 10, 2012Applicant: CANON KABUSHIKI KAISHAInventor: Koji Ishikawa
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Publication number: 20120090431Abstract: To use 99mTc as a raw material for a radioactive medicine, a very small amount of 99mTc in the high concentration Mo(99Mo) solution is purified and recovered with high yield without contamination of 99Mo. 99mTc with high purity is recovered by forming a high concentration Mo(99Mo) solution which contains radionuclides 99Mo which is the parent nuclide of 99mTc used for the radioactive medicine and the raw material for its labeled compound, forming a high concentration Mo(99Mo) solution which contains radionuclides 99Mo and 99mTc by generating 99mTc to a radioactive-equilibrium state, getting 99mTc in the high concentration Mo(99Mo) solution adsorbed to activated carbon selectively by feeding the solution to an adsorption column which has activated carbon, and undergoing desorption and purification treatment of 99mTc with a desorbent from the activated carbon to which 99mTc is adsorbed.Type: ApplicationFiled: July 3, 2009Publication date: April 19, 2012Applicant: KAKEN CO., LTD.Inventors: Katsuyoshi Tatenuma, Tomomi Ueda, Kiyoko Kurosawa, Koji Ishikawa, Atsushi Tanaka, Tsuneyuki Noguchi, Yasushi Arano
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Publication number: 20120077358Abstract: A card connector includes a housing and a card tray configured to be drawn out of the housing. The card tray includes a first protrusion configured to define a movement path of the card tray, and a second protrusion configured to restrict a movement the card tray. The housing includes an inclined portion extending in a drawing direction of the card tray to guide the first protrusion.Type: ApplicationFiled: September 14, 2011Publication date: March 29, 2012Applicant: FUJITSU LIMITEDInventor: Koji ISHIKAWA
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Patent number: 8118600Abstract: An inserting connector includes a plurality of plug electrodes where plug connecting terminals are provided at first ends of the plug electrodes and plug terminals are provided at second ends of the plug electrodes, the plug connecting terminals being configured to be connected to a board, the plug terminals being configured to be connected to jack terminals; wherein the plug connecting terminals extend in a direction perpendicular to a surface of the board; the plug terminals extend in a movable direction where the plug terminals are attached to or detached from the jack terminals; the plug electrodes are bent at an angle ? in longitudinal directions of the plug electrodes, the angle ? being greater than 0 degrees and less than 90 degrees.Type: GrantFiled: September 17, 2010Date of Patent: February 21, 2012Assignees: Fujitsu Component Limited, Fujitsu LimitedInventors: Yasuyuki Miki, Mitsuru Kobayashi, Hiroshi Tajiri, Takahiro Kondou, Koji Ishikawa, Akira Tamura
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Patent number: 7976807Abstract: Hexachlorodisilane is decomposed into hydrochloric acid, silicon dioxide and water by introducing hexachlorodisilane-containing flue gas into a reaction region without moistening the flue gas and by supplying oxygen-containing gas that also contains a small amount of moisture to the reaction region maintained at a temperature at which hexachlorodisilane decomposes.Type: GrantFiled: February 6, 2007Date of Patent: July 12, 2011Assignees: Kanken Techno Co., Ltd., Toagosei Co., Ltd.Inventors: Hiroshi Imamura, Hiroaki Takeuchi, Koji Ishikawa, Hiroshi Suzuki, Akira Moriya, Katsuyoshi Harada
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Patent number: 7955122Abstract: A conductive contact unit includes a conductive contact holder, a conductive contact, and an aligning unit. The conductive contact holder includes a first guiding grooves and a second guiding groove opposite to the first guiding groove, each slidably engaging one edge of the conductive contact. The conductive contact has a plate-like shape, and includes a first contacting element and a second contacting element that are brought into contact with different circuitries, a resilient element that is expandable and contractible in a longitudinal direction between the first contacting element and the second contacting element, a first connecting element that connects the resilient element and the first contacting element, and a second connecting element that connects the resilient element and the second contacting element. The aligning unit aligns the conductive contacts.Type: GrantFiled: March 1, 2007Date of Patent: June 7, 2011Assignee: NHK Spring Co., Ltd.Inventors: Jun Tominaga, Koji Ishikawa, Taiichi Rikimaru
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Patent number: 7942677Abstract: A conductive contact includes a first contacting element that is brought into contact with one of different circuitries; a second contacting element that is brought into contact with another one of the different circuitries; a resilient element that is interposed between the first contacting element and the second contacting element to be expandable and contractible in a longitudinal direction; a first connecting element that connects the resilient element and the first contacting element; and a second connecting element that connects the resilient element and the second contacting element, and has an opening penetrating therethrough in a through-thickness direction. At least a portion of the resilient element is shorter than the first connecting element and the second connecting element in a width direction perpendicular to the longitudinal direction and the through-thickness direction.Type: GrantFiled: February 8, 2007Date of Patent: May 17, 2011Assignee: NHK Spring Co., Ltd.Inventors: Taiichi Rikimaru, Koji Ishikawa, Jun Tominaga
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Patent number: 7928033Abstract: The present invention relates to a catalyst for reducing mercury, which comprises a reagent comprising any of the sulfites of potassium, sodium, calcium and magnesium, or any of the phosphates thereof, or a combination of them, as a main reagent of a catalyst component. And the present invention relates to the catalyst for reducing mercury, wherein the catalyst component is mixed with a different salt as an agent for inhibiting crystallization of the catalyst component.Type: GrantFiled: March 15, 2007Date of Patent: April 19, 2011Assignees: Horiba, Ltd., Nippon Instruments CorporationInventors: Shigeyuki Akiyama, Junji Kato, Fujio Koga, Koji Ishikawa
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Publication number: 20110086521Abstract: An inserting connector includes a plurality of plug electrodes where plug connecting terminals are provided at first ends of the plug electrodes and plug terminals are provided at second ends of the plug electrodes, the plug connecting terminals being configured to be connected to a board, the plug terminals being configured to be connected to jack terminals; wherein the plug connecting terminals extend in a direction perpendicular to a surface of the board; the plug terminals extend in a movable direction where the plug terminals are attached to or detached from the jack terminals; the plug electrodes are bent at an angle ? in longitudinal directions of the plug electrodes, the angle ? being greater than 0 degrees and less than 90 degrees.Type: ApplicationFiled: September 17, 2010Publication date: April 14, 2011Applicants: FUJITSU COMPONENT LIMITED, FUJITSU LIMITEDInventors: Yasuyuki Miki, Mitsuru Kobayashi, Hiroshi Tajiri, Takahiro Kondou, Koji Ishikawa, Akira Tamura
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Publication number: 20110064620Abstract: The present invention relates to a catalyst for reducing mercury, which comprises a reagent comprising any of the sulfites of potassium, sodium, calcium and magnesium, or any of the phosphates thereof, or a combination of them, as a main reagent of a catalyst component. And the present invention relates to the catalyst for reducing mercury, wherein the catalyst component is mixed with a different salt as an agent for inhibiting crystallization of the catalyst component.Type: ApplicationFiled: November 16, 2010Publication date: March 17, 2011Inventors: Shigeyuki Akiyama, Junji Kato, Fujio Koga, Koji Ishikawa
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Patent number: 7866986Abstract: A conductive contact unit includes plate-like conductive contacts for electrically connecting different circuitries. Each conductive contact includes a first contacting element to be brought in physical contact with one circuitry, a second contacting element to be brought in physical contact with another circuitry, an elastic element, between the first contacting element and the second contacting element, a first connecting element that connects the elastic element and the first contacting element, and a second connecting element that connects the elastic element and the second contacting element and that has an opening. The conductive contact unit also includes a conductive contact holder including first guiding grooves and second guiding grooves facing the first guiding grooves. The conductive contact holder holds the conductive contacts with both longitudinal outside ends of each conductive contact being slidably engaged with the first and the second guiding grooves.Type: GrantFiled: November 21, 2006Date of Patent: January 11, 2011Assignee: NHK Spring Co., Ltd.Inventors: Taiichi Rikimaru, Koji Ishikawa, Jun Tominaga
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Publication number: 20100245662Abstract: An imaging apparatus includes a photoelectric conversion element package, a chassis member arranged at a position opposite a rear surface of the photoelectric conversion element package, a wiring member electrically connected to the photoelectric conversion element package. The wiring member has an opening that exposes the rear surface of the photoelectric conversion element package. The wiring member is arranged between the rear surface of the photoelectric conversion element package and the chassis member. The imaging apparatus further includes a heat conduction member configured to contact the rear surface of the photoelectric conversion element package, exposed by the opening, and the chassis member.Type: ApplicationFiled: March 25, 2010Publication date: September 30, 2010Applicant: CANON KABUSHIKI KAISHAInventor: Koji Ishikawa
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Publication number: 20100227514Abstract: A conductive contact includes a first contacting element that is brought into contact with one of different circuitries; a second contacting element that is brought into contact with another one of the different circuitries; a resilient element that is interposed between the first contacting element and the second contacting element to be expandable and contractible in a longitudinal direction; a first connecting element that connects the resilient element and the first contacting element; and a second connecting element that connects the resilient element and the second contacting element, and has an opening penetrating therethrough in a through-thickness direction. At least a portion of the resilient element is shorter than the fist connecting element and the second connecting element in a width direction perpendicular to the longitudinal direction and the through-thickness direction.Type: ApplicationFiled: February 8, 2007Publication date: September 9, 2010Applicant: NHK Spring Co., Ltd.Inventors: Taiichi Rikimaru, Koji Ishikawa, Jun Tominaga
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Publication number: 20100226099Abstract: An electronic apparatus includes a cabinet which includes a first face capable of being opened, a second face vertical relative to the first face, and a third face facing the second face, a first connector which is disposed over the second face inside the cabinet and a fitting face of which faces the third face, and a substrate unit which includes a second connector fitted with the first connector, a first edge included in the second connector, a second edge on an opposite side of the first edge, and an engaging part disposed on the second edge.Type: ApplicationFiled: March 4, 2010Publication date: September 9, 2010Applicant: FUJITSU LIMITEDInventors: Takahiro KONDOU, Koji ISHIKAWA, Akira TAMURA
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Patent number: 7789707Abstract: A conductive contact unit establishes an electrical connection between different circuitries, and includes a plurality of conductive contacts that receive and output an electrical signal from and to the circuitries, respectively. The conductive contact unit includes a conductive contact holder that accommodates and holds the conductive contacts, and a vibration applying unit that applies vibration to the conductive contact holder.Type: GrantFiled: March 1, 2007Date of Patent: September 7, 2010Assignee: NHK Spring Co., Ltd.Inventors: Jun Tominaga, Koji Ishikawa, Taiichi Rikimaru
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Patent number: 7772542Abstract: A photoelectric conversion element unit for use in an imaging apparatus including a photoelectric conversion element package containing a photoelectric conversion element, a wiring substrate where the photoelectric conversion element package is mounted on the first surface and an electronic component related to the photoelectric conversion element is mounted on a rear side of the first surface, and a support board attached to an attachment point in the imaging apparatus where the photoelectric conversion element package is fixed, wherein an opening smaller than an external form of the photoelectric conversion element package is formed in the support board, and the electronic component mounted on the wiring substrate is provided within the opening.Type: GrantFiled: December 9, 2008Date of Patent: August 10, 2010Assignee: Canon Kabushiki KaishaInventor: Koji Ishikawa
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Publication number: 20100195303Abstract: An electronic apparatus includes an outer cover member, an internal structure member, first and second external connection connectors, and first and second printed circuit boards. The first printed circuit board has a first surface on which the first external connector is mounted thereon, a signal pattern of the first external connector is formed on the first surface, and a second surface. The second printed circuit board has a first surface on which the second external connector is mounted thereon, a signal pattern of the second external connector is formed on the first surface, and a second surface. Ground patterns are formed on the second surfaces of the printed circuit boards. The first and second external connectors overlap and are arranged in a space surrounded by the outer cover member and the internal structure member so that the second surfaces of the first and second printed circuit boards face each other.Type: ApplicationFiled: February 3, 2010Publication date: August 5, 2010Applicant: CANON KABUSHIKI KAISHAInventor: Koji Ishikawa