Patents by Inventor Takafumi Hashitani
Takafumi Hashitani 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: 7403024Abstract: A contactor has contact electrodes elastically deformable in a direction of thickness of the contactor so that the contactor can make a contact with a semiconductor device with an appropriate contact pressure. The contactor is positioned between the semiconductor device and a test board so as to electrically connect the semiconductor device to the test board. Each of a plurality of contact electrodes has a first contact electrode part, a second contact electrode part and a connecting part electrically connecting the first contact electrode part to the second contact electrode part. The first contact electrode part contacts an electrode of the semiconductor device. The second contact electrode part contacts a terminal of the test board. A combining member has an insulating characteristic and holds the connecting part of each of the contact electrodes in a predetermined arrangement.Type: GrantFiled: July 28, 2004Date of Patent: July 22, 2008Assignee: Fujitsu LimitedInventors: Shigeyuki Maruyama, Kazuhiro Tashiro, Naoyuki Watanabe, Daisuke Koizumi, Takafumi Hashitani, Ei Yano
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Patent number: 7267559Abstract: An anisotropic conductive sheet comprising an insulating base material and a plurality of conductive passages embedded at predetermined positions in the insulating base material, penetrating the insulating base material in the thickness direction. The conductive passage comprises a matrix consisting of non-silicone material or silicone material having rubber elasticity, the matrix material being filled into through-holes formed at a predetermined position in the base material and then hardened, and a conductive filler dispersed in the matrix at an amount capable of exhibiting conductivity at all times. A surface layer of conductive material is capable of functioning as a contact and ensuring an electrical connection by piercing a surface layer of an opponent when the surface layer is used as a contact, such as a layer of fine conductive particles is further provided on at least one of the end faces of the conductive passage.Type: GrantFiled: May 10, 2002Date of Patent: September 11, 2007Assignee: Fujitsu LimitedInventors: Takafumi Hashitani, Shigeyuki Maruyama
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Patent number: 7202679Abstract: A contactor is provided which contactor comprises an insulating substrate, a concave portion formed in the insulating substrate and extending in a perpendicular direction from a surface thereof, and elastic conductive particles disposed in the concave portion. A part of one of the conductive particles protrudes from the surface of the insulating substrate.Type: GrantFiled: January 9, 2006Date of Patent: April 10, 2007Assignee: Fujitsu LimitedInventors: Shigeyuki Maruyama, Susumu Kida, Naoyuki Watanabe, Takafumi Hashitani, Ei Yano, Ichiro Midorikawa
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Publication number: 20060119374Abstract: A contactor is provided which contactor comprises an insulating substrate, a concave portion formed in the insulating substrate and extending in a perpendicular direction from a surface thereof, and elastic conductive particles disposed in the concave portion. A part of one of the conductive particles protrudes from the surface of the insulating substrate.Type: ApplicationFiled: January 9, 2006Publication date: June 8, 2006Applicant: FUJITSU LIMITEDInventors: Shigeyuki Maruyama, Susumu Kida, Naoyuki Watanabe, Takafumi Hashitani, Ei Yano, Ichiro Midorikawa
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Patent number: 7038477Abstract: A contactor is provided which contactor comprises an insulating substrate, a concave portion formed in the insulating substrate and extending in a perpendicular direction from a surface thereof, and elastic conductive particles disposed in the concave portion. A part of one of the conductive particles protrudes from the surface of the insulating substrate.Type: GrantFiled: December 29, 2004Date of Patent: May 2, 2006Assignee: Fujitsu LimitedInventors: Shigeyuki Maruyama, Susumu Kida, Naoyuki Watanabe, Takafumi Hashitani, Ei Yano, Ichiro Midorikawa
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Patent number: 6937038Abstract: A contactor is provided which contactor comprises an insulating substrate, a concave portion formed in the insulating substrate and extending in a perpendicular direction from a surface thereof, and elastic conductive particles disposed in the concave portion. A part of one of the conductive particles protrudes from the surface of the insulating substrate.Type: GrantFiled: February 26, 2003Date of Patent: August 30, 2005Assignee: Fujitsu LimitedInventors: Shigeyuki Maruyama, Susumu Kida, Naoyuki Watanabe, Takafumi Hashitani, Ei Yano, Ichiro Midorikawa
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Patent number: 6927343Abstract: A contactor has a film substrate of an insulating material and plural wiring patterns on the substrate. A first end of each wiring pattern extends out from a first edge of the substrate as a first contact terminal and a second end of each wiring pattern extends out from a second edge of the substrate as a second contact terminal, and a part of the contactor located between the first end and second end can be deformed resiliently.Type: GrantFiled: October 9, 2002Date of Patent: August 9, 2005Assignee: Fujitsu LimitedInventors: Naoyuki Watanabe, Shigeyuki Maruyama, Kazuhiro Tashiro, Daisuke Koizumi, Takafumi Hashitani
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Publication number: 20050110509Abstract: A contactor is provided which contactor comprises an insulating substrate, a concave portion formed in the insulating substrate and extending in a perpendicular direction from a surface thereof, and elastic conductive particles disposed in the concave portion. A part of one of the conductive particles protrudes from the surface of the insulating substrate.Type: ApplicationFiled: December 29, 2004Publication date: May 26, 2005Applicant: FUJITSU LIMITEDInventors: Shigeyuki Maruyama, Susumu Kida, Naoyuki Watanabe, Takafumi Hashitani, Ei Yano, Ichiro Midorikawa
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Patent number: 6889163Abstract: A system for assessing an environmental load includes an image acquisition unit which acquires image data of an image of a component-implemented circuit board subjected to assessment, a component database which includes matching-purpose data and environmental load data with respect to a plurality of components, and a matching unit which matches the image data with the matching-purpose data of the component database to identify individual components on the component-implemented circuit board subjected to assessment, and extracts the environmental load data belonging to the identified individual components from the component database, thereby obtaining the environmental load of the component-implemented circuit board subjected to assessment.Type: GrantFiled: June 18, 2003Date of Patent: May 3, 2005Assignee: Fujitsu LimitedInventors: Takafumi Hashitani, Sachio Ido, Tsuyoshi Mita, Shigeharu Suzuki
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Publication number: 20040266272Abstract: A contactor has contact electrodes elastically deformable in a direction of thickness of the contactor so that the contactor can make a contact with a semiconductor device with an appropriate contact pressure. The contactor is positioned between the semiconductor device and a test board so as to electrically connect the semiconductor device to the test board. Each of a plurality of contact electrodes has a first contact electrode part, a second contact electrode part and a connecting part electrically connecting the first contact electrode part to the second contact electrode part. The first contact electrode part contacts an electrode of the semiconductor device. The second contact electrode part contacts a terminal of the test board. A combining member has an insulating characteristic and holds the connecting part of each of the contact electrodes in a predetermined arrangement.Type: ApplicationFiled: July 28, 2004Publication date: December 30, 2004Applicant: FUJITSU LIMITEDInventors: Shigeyuki Maruyama, Kazuhiro Tashiro, Naoyuki Watanabe, Daisuke Koizumi, Takafumi Hashitani, Ei Yano
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Patent number: 6791345Abstract: A contactor has contact electrodes elastically deformable in a direction of thickness of the contactor so that the contactor can make a contact with a semiconductor device with an appropriate contact pressure. The contactor is positioned between the semiconductor device and a test board so as to electrically connect the semiconductor device to the test board. Each of a plurality of contact electrodes has a first contact electrode part, a second contact electrode part and a connecting part electrically connecting the first contact electrode part to the second contact electrode part. The first contact electrode part contacts an electrode of the semiconductor device. The second contact electrode part contacts a terminal of the test board. A combining member has an insulating characteristic and holds the connecting part of each of the contact electrodes in a predetermined arrangement.Type: GrantFiled: January 31, 2002Date of Patent: September 14, 2004Assignee: Fujitsu LimitedInventors: Shigeyuki Maruyama, Kazuhiro Tashiro, Naoyuki Watanabe, Daisuke Koizumi, Takafumi Hashitani, Ei Yano
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Publication number: 20040039529Abstract: A system for assessing an environmental load includes an image acquisition unit which acquires image data of an image of a component-implemented circuit board subjected to assessment, a component database which includes matching-purpose data and environmental load data with respect to a plurality of components, and a matching unit which matches the image data with the matching-purpose data of the component database to identify individual components on the component-implemented circuit board subjected to assessment, and extracts the environmental load data belonging to the identified individual components from the component database, thereby obtaining the environmental load of the component-implemented circuit board subjected to assessment.Type: ApplicationFiled: June 18, 2003Publication date: February 26, 2004Applicant: FUJITSU LIMITEDInventors: Takafumi Hashitani, Sachio Ido, Tsuyoshi Mita, Shigeharu Suzuki
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Publication number: 20030141884Abstract: A contactor is provided which contactor comprises an insulating substrate, a concave portion formed in the insulating substrate and extending in a perpendicular direction from a surface thereof, and elastic conductive particles disposed in the concave portion. A part of one of the conductive particles protrudes from the surface of the insulating substrate.Type: ApplicationFiled: February 26, 2003Publication date: July 31, 2003Applicant: Fujitsu LimitedInventors: Shigeyuki Maruyama, Susumu Kida, Naoyuki Watanabe, Takafumi Hashitani, Ei Yano, Ichiro Midorikawa
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Publication number: 20030127246Abstract: A contactor comprises a film substrate of an insulating material and plural wiring patterns on the substrate, wherein a first end of each wiring pattern extends out from a first edge of the substrate as a first contact terminal and a second end of each wiring pattern extends out from a second edge of the substrate as a second contact terminal, and a part of the contactor located between the first end and second end can be deformed resiliently.Type: ApplicationFiled: October 9, 2002Publication date: July 10, 2003Applicant: FUJITSU LIMITEDInventors: Naoyuki Watanabe, Shigeyuki Maruyama, Kazuhiro Tashiro, Daisuke Koizumi, Takafumi Hashitani
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Patent number: 6545363Abstract: A contactor is provided which contactor comprises an insulating substrate, a concave portion formed in the insulating substrate and extending in a perpendicular direction from a surface thereof, and elastic conductive particles disposed in the concave portion. A part of one of the conductive particles protrudes from the surface of the insulating substrate.Type: GrantFiled: January 8, 2001Date of Patent: April 8, 2003Assignee: Fujitsu LimitedInventors: Shigeyuki Maruyama, Susumu Kida, Naoyuki Watanabe, Takafumi Hashitani, Ei Yano, Ichiro Midorikawa
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Publication number: 20020191406Abstract: An anisotropic conductive sheet comprising an insulating base material and a plurality of conductive passages embedded at predetermined positions in the insulating base material, penetrating the insulating base material in the thickness direction. The conductive passage comprises a matrix consisting of non-silicone material or silicone material having rubber elasticity, the matrix material being filled into through-holes formed at a predetermined position in the base material and then hardened, and a conductive filler dispersed in the matrix at an amount capable of exhibiting conductivity at all times. A surface layer of conductive material is capable of functioning as a contact and ensuring an electrical connection by piercing a surface layer of an opponent when the surface layer is used as a contact, such as a layer of fine conductive particles is further provided on at least one of the end faces of the conductive passage.Type: ApplicationFiled: May 10, 2002Publication date: December 19, 2002Applicant: FUJITSU LIMITEDInventors: Takafumi Hashitani, Shigeyuki Maruyama
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Publication number: 20020105347Abstract: A contactor has contact electrodes elastically deformable in a direction of thickness of the contactor so that the contactor can make a contact with a semiconductor device with an appropriate contact pressure. The contactor is positioned between the semiconductor device and a test board so as to electrically connect the semiconductor device to the test board. Each of a plurality of contact electrodes has a first contact electrode part, a second contact electrode part and a connecting part electrically connecting the first contact electrode part to the second contact electrode part. The first contact electrode part contacts an electrode of the semiconductor device. The second contact electrode part contacts a terminal of the test board. A combining member has an insulating characteristic and holds the connecting part of each of the contact electrodes in a predetermined arrangement.Type: ApplicationFiled: January 31, 2002Publication date: August 8, 2002Applicant: Fujitsu LimitedInventors: Shigeyuki Maruyama, Kazuhiro Tashiro, Naoyuki Watanabe, Daisuke Koizumi, Takafumi Hashitani, Ei Yano
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Publication number: 20020013010Abstract: A contactor is provided which contactor comprises an insulating substrate, a concave portion formed in the insulating substrate and extending in a perpendicular direction from a surface thereof, and elastic conductive particles disposed in the concave portion. A part of one of the conductive particles protrudes from the surface of the insulating substrate.Type: ApplicationFiled: January 8, 2001Publication date: January 31, 2002Applicant: Fujitsu LimitedInventors: Shigeyuki Maruyama, Susumu Kida, Naoyuki Watanabe, Takafumi Hashitani, Ei Yano, Ichiro Midorikawa
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Patent number: 5744516Abstract: A biodegradable resin molded article molded from a kneaded material obtained by kneading, melting or mixing a biodegradable resin raw material and at least one of a biodegradable additive and an additive made of a substance existing in the nature, an injection molded article of a biodegradable resin containing a biodegradable resin and an anti-biotic substance, a molded article of a resin composition including a polymer material having an ester bond in the polymer main chain thereof and an alkali or acid component in an amount effective for neutralizing an acidic or alkaline component contained in the polymer material, and a resin molded article having a layer of a biodegradable resin, and a layer of a photolytic resin covering the resin layer and containing an antibiotic.Type: GrantFiled: September 11, 1996Date of Patent: April 28, 1998Assignee: Fujitsu LimitedInventors: Takafumi Hashitani, Shozo Fujita, Makoto Iijima, Koji Asano
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Patent number: 5545485Abstract: A biodegradable resin molded article molded from a kneaded material obtained by kneading, melting or mixing a biodegradable resin raw material and at least one of a biodegradable additive and an additive made of a substance existing in the nature, an injection molded article of a biodegradable resin containing a biodegradable resin and an anti-biotic substance, a molded article of a resin composition including a polymer material having an ester bond in the polymer main chain thereof and an alkali or acid component in an amount effective for neutralizing an acidic or alkaline component contained in the polymer material, and a resin molded article having a layer of a biodegradable resin, and a layer of a photolytic resin covering the resin layer and containing an antibiotic.Type: GrantFiled: May 17, 1995Date of Patent: August 13, 1996Assignee: Fujitsu LimitedInventors: Takafumi Hashitani, Shozo Fujita, Makoto Iijima, Koji Asano