Patents by Inventor Yuji Asahara
Yuji Asahara 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: 9475587Abstract: To provide a jig for forming a sealant layer which enables to quickly and accurately form a sealant layer having a required film thickness. The jig includes: a sealant cup 13 that overlays a sealant 28 around a collar 26; a cup holder 12 that determines a position of the sealant cup 13 with respect to a fastener member 24; and a dummy cup 11 that determines a position of the cup holder 12 with respect to the fastener member 24. The cup holder 12 is determined in position with respect to the fastener member 24 by being guided along the dummy cup 11 determined in position with respect to the fastener member 24. The sealant cup 13 is guided along a guide of the cup holder 12 so as to overlay the sealant 28 around the collar 26 after removing the dummy cup 11 from the cup holder 12 determined in position with respect to the fastener member 24.Type: GrantFiled: January 28, 2014Date of Patent: October 25, 2016Assignee: MITSUBISHI AIRCRAFT CORPORATIONInventors: Wataru Nishimura, Hideo Yamakoshi, Yuji Asahara, Atsuhiro Iyomasa, Takeyasu Tarumi, Noritomo Takata, Jun Kawaguchi, Hiroshi Rikukawa, Tomonori Okumura, Kengo Nomiya, Tooru Hashigami
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Patent number: 9376217Abstract: To provide a jig for forming a sealant layer for a lightning protection fastener which enables to quickly and accurately obtain a sealant layer having a required thickness. A guide jig 30 is used to form a sealant layer 29 around a fastener member 24 that passes through and fastens a plurality of members constituting an airframe of an aircraft, the jig including: a cup 31 including a cavity 33 to be filled with an uncured sealant 28; and a guide that is provided within the cavity 33 and engaged with the fastener member 24 so as to match a center axis of the cavity 33 with a center axis of the fastener member 24.Type: GrantFiled: January 28, 2014Date of Patent: June 28, 2016Assignee: MITSUBISHI AIRCRAFT CORPORATIONInventors: Hideo Yamakoshi, Yuji Asahara, Wataru Nishimura, Takeyasu Tarumi, Noritomo Takata, Jun Kawaguchi, Hiroshi Rikukawa, Tomonori Okumura, Kengo Nomiya
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Publication number: 20150298819Abstract: To provide a jig for forming a sealant layer for a lightning protection fastener which enables to quickly and accurately obtain a sealant layer having a required thickness. A guide jig 30 is used to form a sealant layer 29 around a fastener member 24 that passes through and fastens a plurality of members constituting an airframe of an aircraft, the jig including: a cup 31 including a cavity 33 to be filled with an uncured sealant 28; and a guide that is provided within the cavity 33 and engaged with the fastener member 24 so as to match a center axis of the cavity 33 with a center axis of the fastener member 24.Type: ApplicationFiled: January 28, 2014Publication date: October 22, 2015Applicant: Mitsubishi Aircraft CorporationInventors: Hideo Yamakoshi, Yuji Asahara, Wataru Nishimura, Takeyasu Tarumi, Noritomo Takata, Jun Kawaguchi, Hiroshi Rikukawa, Tomonori Okumura, Kengo Nomiya
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Patent number: 9163656Abstract: To provide a lightning protection fastener or the like, that can reliably seal an arc between the cap and a member such as a wing panel. An end part 30A of a cap 30 on an opening side, the end part 30 A facing a member 22 (or member 21), includes a plane 30d orthogonal to an axis line of the cap 30A and a tapered face 30c formed on an outer circumferential side of the plane 30d. A sealant 34 that spills out of the cap 30A upon mounting the cap 30A is present between the tapered face 30c and a surface 22f of the member 22 (sealant 34S).Type: GrantFiled: November 1, 2012Date of Patent: October 20, 2015Assignee: MITSUBISHI AIRCRAFT CORPORATIONInventors: Yuji Asahara, Hideo Yamakoshi, Atsuhiro Iyomasa, Takeyasu Tarumi, Wataru Nishimura, Yasunori Watanabe, Toru Hashigami, Hiroshi Rikukawa, Hideo Imamura, Naoki Taniguchi
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Publication number: 20150108031Abstract: A barrier-film forming apparatus that forms a barrier film on an inner face of a container having a concave or convex portion as a processing target, including: a dielectric member having a cavity sized to enclose the container, an external electrode covering an outer circumference of the dielectric member, an exhaust unit installed on an end face of the external electrode on a side where a mouth of the container is located, with an insulating member interposed therebetween, and depressurizing inside of the container through an exhaust pipe, an internal electrode inserted from a side of the exhaust pipe and also serving as a gas blowout unit that blows out medium gas for generating a barrier film into the container, and an electric-field applying unit that applies an electric field for generating exhaust between the external electrode and a ground electrode.Type: ApplicationFiled: December 22, 2014Publication date: April 23, 2015Inventors: Yuji ASAHARA, Hideo YAMAKOSHI, Minoru DANNO, Seiji GOTO, Akira SHIRAKURA, Masaki NAKAYA, Kiyoshi HIROYA
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Patent number: 8950356Abstract: A barrier-film forming apparatus that forms a barrier film on an inner face of a container having a concave or convex portion as a processing target, including: a dielectric member having a cavity sized to enclose the container, an external electrode covering an outer circumference of the dielectric member, an exhaust unit installed on an end face of the external electrode on a side where a mouth of the container is located, with an insulating member interposed therebetween, and depressurizing inside of the container through an exhaust pipe, an internal electrode inserted from a side of the exhaust pipe and also serving as a gas blowout unit that blows out medium gas for generating a barrier film into the container, and an electric-field applying unit that applies an electric field for generating exhaust between the external electrode and a ground electrode.Type: GrantFiled: November 22, 2007Date of Patent: February 10, 2015Assignees: Mitsubishi Heavy Industries Food & Machinery Co., Ltd., Kirin Beer Kabushiki KaishaInventors: Yuji Asahara, Hideo Yamakoshi, Minoru Danno, Seiji Goto, Akira Shirakura, Masaki Nakaya, Kiyoshi Hiroya
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Publication number: 20140234050Abstract: To provide a lightning protection fastener or the like, that can reliably seal an arc between the cap and a member such as a wing panel. An end part 30A of a cap 30 on an opening side, the end part 30 A facing a member 22 (or member 21), includes a plane 30d orthogonal to an axis line of the cap 30A and a tapered face 30c formed on an outer circumferential side of the plane 30d. A sealant 34 that spills out of the cap 30A upon mounting the cap 30A is present between the tapered face 30c and a surface 22f of the member 22 (sealant 34S).Type: ApplicationFiled: November 1, 2012Publication date: August 21, 2014Applicant: MITSUBISHI AIRCRAFT CORPORATIONInventors: Yuji Asahara, Hideo Yamakoshi, Atsuhiro Iyomasa, Takeyasu Tarumi, Wataru Nishimura, Yasunori Watanabe, Toru Hashigami, Hiroshi Rikukawa, Hideo Imamura, Naoki Taniguchi
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Publication number: 20140209736Abstract: To provide a jig for forming a sealant layer which enables to quickly and accurately form a sealant layer having a required film thickness. The jig includes: a sealant cup 13 that overlays a sealant 28 around a collar 26; a cup holder 12 that determines a position of the sealant cup 13 with respect to a fastener member 24; and a dummy cup 11 that determines a position of the cup holder 12 with respect to the fastener member 24. The cup holder 12 is determined in position with respect to the fastener member 24 by being guided along the dummy cup 11 determined in position with respect to the fastener member 24. The sealant cup 13 is guided along a guide of the cup holder 12 so as to overlay the sealant 28 around the collar 26 after removing the dummy cup 11 from the cup holder 12 determined in position with respect to the fastener member 24.Type: ApplicationFiled: January 28, 2014Publication date: July 31, 2014Applicant: MITSUBISHI AIRCRAFT CORPORATIONInventors: Wataru Nishimura, Hideo Yamakoshi, Yuji Asahara, Atsuhiro Iyomasa, Takeyasu Tarumi, Noritomo Takata, Jun Kawaguchi, Hiroshi Rikukawa, Tomonori Okumura, Kengo Nomiya, Tooru Hashigami
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Patent number: 8717736Abstract: A sealant 34 filled into a cap 30A is caused to overflow through both an opening in a first end portion 30a of the cap 30A and a through-hole 40 of the cap 30A when the cap 30A is pressed against a fastener member 25. With regard to the cap 30A, a ratio between inside diameter D1 of the opening on the side of the first end portion 30a and hole diameter D2 of the through-hole 40 in the second end portion 30b is set as follows: 0.10?D2/D1?0.27.Type: GrantFiled: January 10, 2013Date of Patent: May 6, 2014Assignee: Mitsubishi Aircraft CorporationInventors: Yuji Asahara, Hideo Yamakoshi, Atsuhiro Iyomasa, Wataru Nishimura, Takeyasu Tarumi, Yasunori Watanabe, Toru Hashigami, Hiroshi Rikukawa, Hideo Imamura, Naoki Taniguchi
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Patent number: 8587916Abstract: A long-life lightning protection fastener or the like to prevent explosion for aircrafts at low cost is provided, the fastener having a light weight, ensuring sufficient lightning protection, and having extremely less failures and high reliability. A ring-shaped ring member 40A made of resin is mounted on a collar 26. This ring member 40A is interposed between a member 22 and the collar 26 and is in intimate contact with both of the member 22 and the collar 26, thereby sealing an interface with the member 22 for sealing and preventing the occurrence of an arc at an outer perimeter edge of the collar 26.Type: GrantFiled: March 14, 2012Date of Patent: November 19, 2013Assignee: Mitsubishi Aircraft CorporationInventors: Hideo Yamakoshi, Yuichiro Kamino, Yuji Asahara, Yasunori Watanabe, Atsuhiro Iyomasa, Toru Hashigami, Kohei Murakami, Tomonori Okumura
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Patent number: 8418650Abstract: An inner electrode for barrier film formation is an inner electrode for barrier film formation that is inserted inside a plastic container having an opening, supplies a medium gas to the inside of the plastic container, and supplies high frequency power to an outer electrode arranged outside the plastic container, thereby generating discharge plasma on the inner surface of the plastic container to form a barrier film on the inner surface of the plastic container, and that is provided with a gas supply pipe having a gas flow path to supply a medium gas and an insulating member screwed into an end portion of the gas supply pipe to be flush therewith and having a gas outlet communicated with the gas flow path.Type: GrantFiled: September 9, 2011Date of Patent: April 16, 2013Assignee: Mitsubishi Heavy Industries Food & Packaging Machinery Co., Ltd.Inventors: Seiji Goto, Hideo Yamakoshi, Atsushi Ueda, Kenichi Okamoto, Yuji Asahara, Minoru Danno
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Publication number: 20120236457Abstract: A long-life lightning protection fastener or the like to prevent explosion for aircrafts at low cost is provided, the fastener having a light weight, ensuring sufficient lightning protection, and having extremely less failures and high reliability. A ring-shaped ring member 40A made of resin is mounted on a collar 26. This ring member 40A is interposed between a member 22 and the collar 26 and is in intimate contact with both of the member 22 and the collar 26, thereby sealing an interface with the member 22 for sealing and preventing the occurrence of an arc at an outer perimeter edge of the collar 26.Type: ApplicationFiled: March 14, 2012Publication date: September 20, 2012Applicant: MITSUBISHI AIRCRAFT CORPORATIONInventors: Hideo YAMAKOSHI, Yuichiro KAMINO, Yuji ASAHARA, Yasunori WATANABE, Atsuhiro IYOMASA, Toru HASHIGAMI, Kohei MURAKAMI, Tomonori OKUMURA
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Publication number: 20120000771Abstract: An inner electrode for barrier film formation is an inner electrode for barrier film formation that is inserted inside a plastic container having an opening, supplies a medium gas to the inside of the plastic container, and supplies high frequency power to an outer electrode arranged outside the plastic container, thereby generating discharge plasma on the inner surface of the plastic container to form a barrier film on the inner surface of the plastic container, and that is provided with a gas supply pipe having a gas flow path to supply a medium gas and an insulating member screwed into an end portion of the gas supply pipe to be flush therewith and having a gas outlet communicated with the gas flow path.Type: ApplicationFiled: September 9, 2011Publication date: January 5, 2012Inventors: Seiji GOTO, Hideo Yamakoshi, Atsushi Ueda, Kenichi Okamoto, Yuji Asahara, Minoru Danno
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Patent number: 8034177Abstract: An inner electrode for barrier film formation is an inner electrode for barrier film formation that is inserted inside a plastic container having an opening, supplies a medium gas to the inside of the plastic container, and supplies high frequency power to an outer electrode arranged outside the plastic container, thereby generating discharge plasma on the inner surface of the plastic container to form a barrier film on the inner surface of the plastic container, and that is provided with a gas supply pipe (101) having a gas flow path (101a) to supply a medium gas (G) and an insulating member (103) screwed into an end portion of the gas supply pipe (101) to be flush therewith and having a gas outlet (102) communicated with the gas flow path (101a).Type: GrantFiled: October 17, 2005Date of Patent: October 11, 2011Assignee: Mitsubishi Heavy Industries Food & Packaging Machinery Co., Ltd.Inventors: Seiji Goto, Hideo Yamakoshi, Atsushi Ueda, Kenichi Okamoto, Yuji Asahara, Minoru Danno
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Publication number: 20100269897Abstract: A photovoltaic device that exhibits improved light absorption properties for the electric power generation layer and a process for producing such a photovoltaic device are provided by optimizing the surface shape of the back surface structure. A photovoltaic device 100 comprising a first transparent electrode layer 2, an electric power generation layer 3, a second transparent electrode layer 6 and a back electrode layer 4 provided sequentially on a substrate 1, wherein the back electrode layer 4 comprises a thin film of silver, and the surface of the second transparent electrode layer 6 on the surface of the back electrode layer 4 has a fine uneven texture, for which the surface area magnification ratio relative to the projected surface area is not less than 10% and not more than 32%.Type: ApplicationFiled: January 9, 2009Publication date: October 28, 2010Applicant: Mitsubishi Heavy Industries, Ltd.Inventors: Satoshi Sakai, Yuji Asahara, Yasuyuki Kobayashi, Masafumi Mori, Shigenori Tsuruga, Nobuki Yamashita
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Publication number: 20100229935Abstract: The short-circuit current of a photovoltaic device is improved by optimizing the transparent conductive layer. A photovoltaic device comprising a first transparent electrode layer, an electric power generation layer, a second transparent electrode layer and a back electrode layer on a substrate, wherein the film thickness of the second transparent electrode layer is not less than 80 nm and not more than 100 nm, and the light absorptance for the second transparent electrode layer in a wavelength region from not less than 600 nm to not more than 1,000 nm is not more than 1.5%. Also, a photovoltaic device wherein the film thickness of the second transparent electrode layer is not less than 80 nm and not more than 100 nm, and the reflectance for light reflected at the second transparent electrode layer and the back electrode layer is not less than 91% in the wavelength region from not less than 600 nm to not more than 1,000 nm.Type: ApplicationFiled: January 7, 2009Publication date: September 16, 2010Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Satoshi Sakai, Yuji Asahara, Yasuyuki Kobayashi, Masafumi Mori, Shigenori Tsuruga, Nobuki Yamashita
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Publication number: 20100116331Abstract: A photovoltaic device and a process for producing the device that enables a higher level of performance to be achieved at low cost. The photovoltaic device includes at least two laminated photovoltaic layers, and an intermediate layer that is disposed between the two photovoltaic layers and connects the two photovoltaic layers electrically and optically, wherein the surface of the intermediate layer has a plasma-resistant protective layer.Type: ApplicationFiled: February 8, 2008Publication date: May 13, 2010Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yasuyuki Kobayashi, Satoshi Sakai, Kengo Yamaguchi, Yuji Asahara, Saneyuki Goya
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Publication number: 20100096393Abstract: A barrier-film forming apparatus that forms a barrier film on an inner face of a container (12) having a concave or convex portion (12a) as a processing target, including: a dielectric member (50) having a cavity sized to enclose the container (12), an external electrode (13) covering an outer circumference of the dielectric member (50), an exhaust unit installed on an end face of the external electrode (13) on a side where a mouth (11) of the container (12) is located, with an insulating member (26) interposed therebetween, and depressurizing inside of the container (12) through an exhaust pipe (14), an internal electrode (17) inserted from a side of the exhaust pipe (14) and also serving as a gas blowout unit that blows out medium gas (19) for generating a barrier film into the container (12), and an electric-field applying unit that applies an electric field for generating exhaust between the external electrode (13) and a ground electrode.Type: ApplicationFiled: November 22, 2007Publication date: April 22, 2010Applicants: MITSUBISHI HEAVY INDUSTRIES FOOD & PACKAGING MACHINERY CO., LTD., KIRIN BEER KABUSHIKI KAISHAInventors: Yuji Asahara, Hideo Yamakoshi, Minoru Danno, Seiji Goto, Akira Shirakura, Masaki Nakaya, Kiyoshi Hiroya
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Publication number: 20090188430Abstract: The present invention realizes an impedance control for avoiding the extinction of a plasma caused due to a sudden change in a load impedance, which may occur immediately after the plasma is generated. A film-forming apparatus of the present invention includes a power supply; a matching circuit; an electrode configured to receive electric power from the power supply through the matching circuit, and to generate a plasma inside a film forming chamber for accommodating a film forming target based on the electric power; and a control section configured to control an impedance of the matching circuit. The control section keeps the impedance of the matching circuit constant during a first period starting at a first time t1 when the power supply starts to supply the electric power to the electrode, and controls the impedance of the matching circuit based on a reflected-wave power from the electrode for a second period starting at a second time t2 when the first period ends.Type: ApplicationFiled: January 24, 2006Publication date: July 30, 2009Applicants: Mitsubishi Heavy Industries Food & Packaging Machinery Co., Ltd., Kirin Holdings kabushiki KaishaInventors: Satoshi Matsuda, Yuji Asahara, Hideo Yamakoshi, Seiji Goto
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Publication number: 20080017113Abstract: An inner electrode for barrier film formation is an inner electrode for barrier film formation that is inserted inside a plastic container having an opening, supplies a medium gas to the inside of the plastic container, and supplies high frequency power to an outer electrode arranged outside the plastic container, thereby generating discharge plasma on the inner surface of the plastic container to form a barrier film on the inner surface of the plastic container, and that is provided with a gas supply pipe (101) having a gas flow path (101a) to supply a medium gas (G) and an insulating member (103) screwed into an end portion of the gas supply pipe (101) to be flush therewith and having a gas outlet (102) communicated with the gas flow path (101a).Type: ApplicationFiled: October 17, 2005Publication date: January 24, 2008Applicant: Mitsubishi Heavy Industries Food & Packaging Machinery Co., Ltd.Inventors: Seiji Goto, Hideo Yamakoshi, Atsushi Ueda, Kenichi Okamoto, Yuji Asahara, Minoru Danno