Patents by Inventor Yushi Ono
Yushi Ono 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: 10247203Abstract: A noise reduction structure includes a compressor discharge-side pipe portion, a first porous plate having a plurality of through holes and extending circumferentially along an inner circumferential surface of the compressor discharge-side pipe portion so that an air layer is formed between the first porous plate and the inner circumferential surface, a partition dividing an interior of the compressor discharge-side pipe portion in a radial direction in a circumferential direction of the compressor discharge-side pipe portion so as to form a plurality of flow paths in the compressor discharge-side pipe portion, and a second porous plate having a plurality of through holes. The second porous plate is provided in each of the plurality of flow paths and extends along the partition so that an air layer is formed between the second porous plate and the partition.Type: GrantFiled: January 11, 2017Date of Patent: April 2, 2019Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yushi Ono, Hiroyuki Hosoya, Kentaro Hayashi, Seokcheol Kim, Yoshihisa Ono, Yasuhiro Wada
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Publication number: 20180223873Abstract: A noise reduction structure includes a compressor discharge-side pipe portion, a first porous plate having a plurality of through holes and extending circumferentially along an inner circumferential surface of the compressor discharge-side pipe portion so that an air layer is formed between the first porous plate and the inner circumferential surface, a partition dividing an interior of the compressor discharge-side pipe portion in a radial direction in a circumferential direction of the compressor discharge-side pipe portion so as to form a plurality of flow paths in the compressor discharge-side pipe portion, and a second porous plate having a plurality of through holes. The second porous plate is provided in each of the plurality of flow paths and extends along the partition so that an air layer is formed between the second porous plate and the partition.Type: ApplicationFiled: January 11, 2017Publication date: August 9, 2018Applicant: Mitsubishi Heavy Industries, Ltd.Inventors: Yushi ONO, Hiroyuki HOSOYA, Kentaro HAYASHI, Seokcheol KIM, Yoshihisa ONO, Yasuhiro WADA
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Publication number: 20170183500Abstract: A speaker diaphragm in which the Young's modulus, internal loss (tan ?), airtightness, and various strengths are well balanced is provided. The speaker diaphragm according to the present invention includes wood pulp and cellulose nanofibers, wherein, in one embodiment, the cellulose nanofibers are unoxidized cellulose nanofibers. The content rate of the cellulose nanofibers is one part by weight to 20 parts by weight with respect to 100 parts by weight of the wood pulp, for example.Type: ApplicationFiled: November 2, 2016Publication date: June 29, 2017Inventors: Hiroyasu KUMO, Yushi ONO
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Patent number: 8755557Abstract: A loudspeaker diaphragm according to an embodiment of the present invention includes: a diaphragm portion; and an edge portion, which is molded integrally with the diaphragm portion and made of a material different from a material for the diaphragm portion, wherein: the diaphragm portion includes, at an outer peripheral end thereof, an outer wall portion provided upright in a direction substantially parallel to a vibrating direction of the diaphragm portion; an inner peripheral surface of the edge portion is bonded onto an outer peripheral surface of the outer wall portion; and the outer wall portion has a height larger than a thickness of the diaphragm portion.Type: GrantFiled: June 23, 2011Date of Patent: June 17, 2014Assignee: Onkyo CorporationInventors: Takeshi Fujitani, Yushi Ono, Ryoichi Takahashi, Ryosuke Sano
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Publication number: 20110317869Abstract: A loudspeaker diaphragm according to an embodiment of the present invention includes: a diaphragm portion; and an edge portion, which is molded integrally with the diaphragm portion and made of a material different from a material for the diaphragm portion, wherein: the diaphragm portion includes, at an outer peripheral end thereof, an outer wall portion provided upright in a direction substantially parallel to a vibrating direction of the diaphragm portion; an inner peripheral surface of the edge portion is bonded onto an outer peripheral surface of the outer wall portion; and the outer wall portion has a height larger than a thickness of the diaphragm portion.Type: ApplicationFiled: June 23, 2011Publication date: December 29, 2011Applicants: BRIDGESTONE CORPORATION, ONKYO CORPORATIONInventors: Takeshi FUJITANI, Yushi ONO, Ryoichi TAKAHASHI, Ryosuke SANO
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Patent number: 8036409Abstract: A speaker cabinet according to an embodiment of the present invention includes: a pair of side plates whose outer peripheral portions define no apexes; and a bent plate curved in conformity with the outer peripheral portions of the pair of side plates and mounted to the pair of side plates.Type: GrantFiled: August 29, 2006Date of Patent: October 11, 2011Assignees: Onkyo Corporation, Takamine Gakki Co., Ltd.Inventors: Sadatoshi Hisamoto, Yushi Ono, Kosuke Heki, Koichi Sadaie, Hiroyuki Mizutani
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Patent number: 7686128Abstract: A speaker diaphragm includes a substrate and a surface material. The surface material is arranged on one side of the substrate, and includes a woven fabric of a polyethylene naphthalate fiber.Type: GrantFiled: March 9, 2007Date of Patent: March 30, 2010Assignee: Onkyo CorporationInventor: Yushi Ono
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Patent number: 7631723Abstract: A loudspeaker diaphragm having light weight and an excellent balance between a rigidity and an internal loss, and a simple and inexpensive method for manufacturing such a diaphragm are provided. The loudspeaker diaphragm includes a base layer having a woven fabric of a polyethylene naphthalate fiber impregnated with a thermosetting resin, and optionally a thermoplastic resin layer and/or a thermoplastic elastomer layer. The polyethylene naphthalate fiber is preferably an untwisted fiber. A fiber/resin weight ratio in the base layer is preferably in the range of 60/40 to 80/20. Preferably, the thermoplastic resin layer has a finely foamed structure and an average diameter of a cell in the finely foamed structure is 10 to 60 ?m.Type: GrantFiled: December 8, 2003Date of Patent: December 15, 2009Assignee: Onkyo CorporationInventors: Yushi Ono, Toshihide Inoue
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Patent number: 7567684Abstract: A speaker diaphragm 1 includes a first diaphragm portion 5, a second diaphragm portion 6 integrally molded with the first diaphragm portion 5, and a bobbin-receiving portion 7 protruding from a back side of a connecting portion between the first diaphragm portion 5 and the second diaphragm portion 6, with one end of a voice coil bobbin 2 being bonded to the bobbin-receiving portion 7. The bobbin-receiving portion 7 includes a first extension 8 extending backwards from the first diaphragm portion 5 and a second extension 9 extending backwards from the second diaphragm portion 6. A bobbin-receiving groove 10 is defined between the first extension 8 and the second extension 9. The voice coil bobbin 2 is inserted in and bonded to the bobbin-receiving groove 10.Type: GrantFiled: July 15, 2005Date of Patent: July 28, 2009Assignee: Onkyo CorporationInventors: Yushi Ono, Sadatoshi Hisamoto, Takeru Inoue
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Publication number: 20080075311Abstract: A speaker cabinet according to an embodiment of the present invention includes: a pair of side plates whose outer peripheral portions define no apexes; and a bent plate curved in conformity with the outer peripheral portions of the pair of side plates and mounted to the pair of side plates.Type: ApplicationFiled: August 29, 2006Publication date: March 27, 2008Inventors: Sadatoshi HISAMOTO, Yushi Ono, Kosuke Heki, Koichi Sadaie, Hiroyuki Mizutani
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Publication number: 20070235251Abstract: A speaker diaphragm according to an embodiment of the present invention includes a substrate and a surface material. The surface material is arranged on one side of the substrate, and includes a woven fabric of a polyethylene naphthalate fiber.Type: ApplicationFiled: March 9, 2007Publication date: October 11, 2007Applicant: Onkyo CorporationInventor: Yushi Ono
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Publication number: 20060062422Abstract: A speaker diaphragm 1 includes a first diaphragm portion 5, a second diaphragm portion 6 integrally molded with the first diaphragm portion 5, and a bobbin-receiving portion 7 protruding from a back side of a connecting portion between the first diaphragm portion 5 and the second diaphragm portion 6, with one end of a voice coil bobbin 2 being bonded to the bobbin-receiving portion 7. The bobbin-receiving portion 7 includes a first extension 8 extending backwards from the first diaphragm portion 5 and a second extension 9 extending backwards from the second diaphragm portion 6. A bobbin-receiving groove 10 is defined between the first extension 8 and the second extension 9. The voice coil bobbin 2 is inserted in and bonded to the bobbin-receiving groove 10.Type: ApplicationFiled: July 15, 2005Publication date: March 23, 2006Inventors: Yushi Ono, Sadatoshi Hisamoto, Takeru Inoue
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Publication number: 20040112672Abstract: A loudspeaker diaphragm having light weight and an excellent balance between a rigidity and an internal loss, and a simple and inexpensive method for manufacturing such a diaphragm are provided. A loudspeaker diaphragm according to the present invention includes a base layer having a woven fabric of a polyethylene naphthalate fiber impregnated with a thermosetting resin, and optionally a thermoplastic resin layer and/or a thermoplastic elastomer layer. The polyethylene naphthalate fiber is preferably an untwisted fiber. A fiber/resin ratio in the base layer is preferably in the range of 60/40 to 80/20. Preferably, the thermoplastic resin layer has a finely foamed structure and an average diameter of a cell in the finely foamed structure is 10 to 60 &mgr;m.Type: ApplicationFiled: December 8, 2003Publication date: June 17, 2004Applicant: ONKYO CORPORATIONInventors: Yushi Ono, Toshihide Inoue
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Patent number: 6591938Abstract: The speaker diaphragm of the present invention includes a nonwoven fabric impregnated with at least a thermosetting resin composition, molded, and cured. The nonwoven fabric is formed of a fiber material containing protein fibers. The thermosetting resin composition contains an unsaturated polyester resin as a main component. The speaker diaphragm of the present invention has excellent acoustic characteristics and is produced with high production efficiency.Type: GrantFiled: February 5, 2002Date of Patent: July 15, 2003Assignee: Onkyo CorporationInventors: Toshihide Inoue, Yushi Ono
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Publication number: 20020100635Abstract: The speaker diaphragm of the present invention includes a nonwoven fabric impregnated with at least a thermosetting resin composition, molded, and cured. The nonwoven fabric is formed of a fiber material containing protein fibers. The thermosetting resin composition contains an unsaturated polyester resin as a main component. The speaker diaphragm of the present invention has excellent acoustic characteristics and is produced with high production efficiency.Type: ApplicationFiled: February 5, 2002Publication date: August 1, 2002Inventors: Toshihide Inoue, Yushi Ono
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Patent number: 6378649Abstract: The speaker member of the present invention comprises (a) a vibrating plate part comprising a base material, a part of the base material being impregnated with a thermosetting resin; and (b) an edge part containing the same base material as that of the vibrating plate. Such a speaker member is obtained by a method comprising the steps of: forming a base material; impregnating a portion of the base material with a thermosetting resin wherein the portion is to be a vibrating plate part; and curing said impregnated thermosetting resin so as to form the vibrating plate part, and simultaneously forming an edge part.Type: GrantFiled: March 2, 2000Date of Patent: April 30, 2002Assignee: Onkyo CorporationInventors: Toshihide Inoue, Yushi Ono, Takashi Onogi, Kazumasa Takemura, Hiroyasu Kumo