Patents by Inventor Yasushi Matsuda
Yasushi Matsuda 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: 7822079Abstract: This laser beam processing apparatus includes a fiber laser oscillator, a laser beam branching unit, a laser beam injecting unit, a fiber transmission system, a laser beam irradiating unit, and a processing table. Based on a fiber laser beam, which is oscillation-outputted from the fiber laser oscillator, the laser beam branching unit executes simultaneous multi-branching from the fiber laser beam into a plurality of branched laser beams. The laser beam injecting unit injects the branched laser beams respectively into optical fibers for transmission and the laser beam irradiating units condense and apply the branched laser beams from the optical fibers for transmission respectively to processing points.Type: GrantFiled: November 10, 2008Date of Patent: October 26, 2010Assignee: Miyachi CorporationInventors: Yasushi Matsuda, Hidenori Shimada, Masayuki Akagi
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Publication number: 20100227166Abstract: To provide an add-in material to be added to a porous molded body base, the add-in material being capable of developing a pore of appropriate size efficiently without degrading the formability and productivity of a porous molded body, particularly a porous fired body when producing the porous molded body. A shrinkable fiber composed of a thermoplastic resin and to be dispersed in a base of a porous molded body, particularly a porous fired body, wherein the shrinkable fiber has a fiber diameter of 10 to 40 ?m, a fiber length of 1 to 20 mm, and a dry-heat shrinkage percentage of at least 8% when subjected to heat treatment at 80° C. for 5 minutes.Type: ApplicationFiled: September 1, 2008Publication date: September 9, 2010Applicants: ES FIBERVISIONS CO., LTD., ES FIBERVISIONS HONG KONG LIMITED, ES FIBERVISIONS LP, ES FIBERVISIONS APSInventors: Minoru Miyauchi, Yasushi Matsuda, Yuji Koyama
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Publication number: 20090238849Abstract: A stretchable laminated sheet with hydrophilic properties, which particularly has an excellent feeling and stability in wearing and is capable of efficiently enhancing the effect and efficacy brought about by a liquid component on a skin or other object, when the stretchable laminated sheet is impregnated with the liquid component and wet and then used on the skin or other object.Type: ApplicationFiled: March 10, 2009Publication date: September 24, 2009Applicants: Chisso Corporation, Chisso Polypro Fiber Co., Ltd.Inventors: Junji Iwata, Yasushi Matsuda
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Publication number: 20090071948Abstract: This laser beam processing apparatus includes a fiber laser oscillator, a laser beam branching unit, a laser beam injecting unit, a fiber transmission system, a laser beam irradiating unit, and a processing table. Based on a fiber laser beam, which is oscillation-outputted from the fiber laser oscillator, the laser beam branching unit executes simultaneous multi-branching from the fiber laser beam into a plurality of branched laser beams. The laser beam injecting unit injects the branched laser beams respectively into optical fibers for transmission and the laser beam irradiating units condense and apply the branched laser beams from the optical fibers for transmission respectively to processing points.Type: ApplicationFiled: November 10, 2008Publication date: March 19, 2009Inventors: Yasushi Matsuda, Hidenori Shimada, Masayuki Akagi
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Patent number: 7489711Abstract: This laser beam processing apparatus includes a fiber laser oscillator, a laser beam branching unit, a laser beam injecting unit, a fiber transmission system, a laser beam irradiating unit, and a processing table. Based on a fiber laser beam, which is oscillation-outputted from the fiber laser oscillator, the laser beam branching unit executes simultaneous multi-branching from the fiber laser beam into a plurality of branched laser beams. The laser beam injecting unit injects the branched laser beams respectively into optical fibers for transmission and the laser beam irradiating units condense and apply the branched laser beams from the optical fibers for transmission respectively to processing points.Type: GrantFiled: January 17, 2007Date of Patent: February 10, 2009Assignee: Miyachi Technos CorporationInventors: Yasushi Matsuda, Hidenori Shimada, Masayuki Akagi
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Patent number: 7436863Abstract: A fiber laser beam processing apparatus is configured by a fiber laser oscillator, a laser power source unit, a laser beam injecting unit, a fiber transmission system, a laser beam irradiating unit, a processing table, etc. A portion of a fiber laser beam oscillated and outputted by the fiber laser oscillator is received by a photo diode for monitoring the power through a beam splitter. An output signal of the photo diode is sent to a laser power source unit. The power source unit receives the output signal of the photo diode as a feedback signal and controls a driving current or an excitation current to be supplied to a laser diode of a pumping unit such that the laser output of the fiber laser beam equals a set value.Type: GrantFiled: January 17, 2007Date of Patent: October 14, 2008Assignee: Miyachi Technos CorporationInventors: Yasushi Matsuda, Hidenori Shimada, Kouichi Yaginuma, Shingo Tanaka
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Patent number: 7430225Abstract: The fiber laser beam processing apparatus includes a fiber laser oscillator, a laser power source unit, a laser injecting unit, a fiber transmission system, a laser beam irradiating unit, a processing table, etc. The fiber laser oscillator includes an optical fiber for oscillation, an electric optical pumping unit that applies an excitation beam for optical pumping onto an end face of the optical fiber for oscillation, and a pair of optical resonator mirrors optically facing each other through the optical fiber for oscillation. The optical fiber for oscillation includes a core extending on the central axis thereof, a clad surrounding the core, an air layer surrounding the clad, and a support surrounding and supporting the air layer.Type: GrantFiled: January 30, 2007Date of Patent: September 30, 2008Assignee: Miyachi Technos CorporationInventors: Yasushi Matsuda, Hidenori Shimada, Shinichi Nakayama
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Patent number: 7401630Abstract: A wheel for a wheelchair according to the present invention includes: an outer wheel or ring mounted on the inner periphery of a tire; an inner ring connected with a wheelchair frame (concentric with the outer ring and positioned inside the outer ring); a plurality of rolling elements interposed between the outer ring and the inner ring, arranged with an interval between each other in a circumferential direction; and a plurality of spacers (retainers or interval-holding members) for holding intervals between the rolling elements. Each spacer is in a shape extending along a circumferential direction of the outer ring and the inner ring, and is provided between the rolling elements respectively. The wheel does not have a hub and spokes, and the inner peripheral side does not rotate, and further the wheel weight is light. The wheelchair of the present invention includes the wheel for a wheelchair.Type: GrantFiled: May 20, 2004Date of Patent: July 22, 2008Assignee: THK Co., Ltd.Inventors: Yasushi Matsuda, Tadashi Yasui, Kaoru Hoshide, Takashi Ogata
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Patent number: 7402473Abstract: A process of producing a semiconductor device having a highly reliable groove isolation structure with a desired radius of curvature formed at the groove upper edge and without formation of any step. The device is produced by reducing the stress generation around the groove upper edge of an element isolation groove on a semiconductor substrate, thereby optimizing the shape of an element isolation groove and making the device finer and improving the device electric characteristics.Type: GrantFiled: April 19, 2005Date of Patent: July 22, 2008Assignees: Renesas Technology Corp., Hitachi ULSI Systems Co., Ltd.Inventors: Norio Ishitsuka, Hideo Miura, Shuji Ikeda, Norio Suzuki, Yasushi Matsuda, Yasuko Yoshida, Hirohiko Yamamoto, Masamichi Kobayashi, Akira Takamatsu, Hirofumi Shimizu, Kazushi Fukuda, Shinichi Horibe, Toshio Nozoe
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Patent number: 7359411Abstract: An end cap is formed as a substantially cylindrical body having substantially the same diameter as an external diameter of a retaining unit of an oscillation fiber; a base end surface is integrally fusion-welded or fusion-bonded to one end surface of the oscillation fiber; and a leading end surface is obliquely cut relative to the light axis. A returning oscillating beam reflected by an optical resonator mirror is converged and made incident on a core end surface of the oscillation fiber 22 located at a focus position of an optical lens. However, since the core end surface is integrally bonded with the end cap and is not exposed to the atmosphere, the core end surface is not burned or deteriorated by the light energy of the oscillating beam.Type: GrantFiled: March 22, 2007Date of Patent: April 15, 2008Assignee: Miyachi Technos Corporation, a Japanese body corporateInventors: Yasushi Matsuda, Hidenori Shimada
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Publication number: 20070280620Abstract: One end of an optical fiber for oscillation is held in a holding groove having a V-shaped section, which holding groove is formed on the upper face of a lower block. On an upper block, a slit is formed in the place that is counter to the holding groove of the lower block. A sapphire rod can be inserted from above into the slit, and is guided vertically in a slidable manner in the slit. The sapphire rod is brought in contact with the upper face of the optical fiber for oscillation, and is supported to be slidable over both side inner wall surfaces at the lower end of the slit. An extent of screwing of bolt is changed to adjust a spring pressure of a compressive coil spring, that is, a press force against the optical fiber for oscillation.Type: ApplicationFiled: May 29, 2007Publication date: December 6, 2007Inventors: Yasushi Matsuda, Hidenori Shimada, Masayuki Akagi
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Publication number: 20070269791Abstract: An object of the present invention is to provide a method for producing an ADM suitable as a scaffold for a cultured skin, that is, a separation and decellularization method that enables various types of extracellular matrixes such as a basement membrane to be preserved, allows the epidermal layer to be peeled off easily, and does not cause any damage to the dermal matrix. The present invention relates to a skin separation and decellularization method comprising a step of freeze thawing harvested skin and then separating the skin into epidermis and dermis by a treatment with hypertonic saline, and a step of washing the separated dermis.Type: ApplicationFiled: December 24, 2004Publication date: November 22, 2007Applicant: Yoshisiro TakamiInventors: Yoshihiro Takami, Ryo Yamaguchi, Yasushi Matsuda
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Publication number: 20070230517Abstract: An end cap is formed as a substantially cylindrical body having substantially the same diameter as an external diameter of a retaining unit of an oscillation fiber; a base end surface is integrally fusion-welded or fusion-bonded to one end surface of the oscillation fiber; and a leading end surface is obliquely cut relative to the light axis. A returning oscillating beam reflected by an optical resonator mirror is converged and made incident on a core end surface of the oscillation fiber 22 located at a focus position of an optical lens. However, since the core end surface is integrally bonded with the end cap and is not exposed to the atmosphere, the core end surface is not burned or deteriorated by the light energy of the oscillating beam.Type: ApplicationFiled: March 22, 2007Publication date: October 4, 2007Inventors: Yasushi Matsuda, Hidenori Shimada
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Publication number: 20070189339Abstract: The fiber laser beam processing apparatus includes a fiber laser oscillator, a laser power source unit, a laser injecting unit, a fiber transmission system, a laser beam irradiating unit, a processing table, etc. The fiber laser oscillator includes an optical fiber for oscillation, an electric optical pumping unit that applies an excitation beam for optical pumping onto an end face of the optical fiber for oscillation, and a pair of optical resonator mirrors optically facing each other through the optical fiber for oscillation. The optical fiber for oscillation includes a core extending on the central axis thereof, a clad surrounding the core, an air layer surrounding the clad, and a support surrounding and supporting the air layer.Type: ApplicationFiled: January 30, 2007Publication date: August 16, 2007Inventors: Yasushi Matsuda, Hidenori Shimada, Shinichi Nakayama
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Publication number: 20070164004Abstract: A fiber laser beam processing apparatus is configured by a fiber laser oscillator, a laser power source unit, a laser beam injecting unit, a fiber transmission system, a laser beam irradiating unit, a processing table, etc. A portion of a fiber laser beam oscillated and outputted by the fiber laser oscillator is received by a photo diode for monitoring the power through a beam splitter. An output signal of the photo diode is sent to a laser power source unit. The power source unit receives the output signal of the photo diode as a feedback signal and controls a driving current or an excitation current to be supplied to a laser diode of a pumping unit such that the laser output of the fiber laser beam equals a set value.Type: ApplicationFiled: January 17, 2007Publication date: July 19, 2007Inventors: Yasushi Matsuda, Hidenori Shimada, Kouichi Yaginuma, Shingo Tanaka
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Publication number: 20070164005Abstract: This laser beam processing apparatus includes a fiber laser oscillator, a laser beam branching unit, a laser beam injecting unit, a fiber transmission system, a laser beam irradiating unit, a processing table, etc. Based on a fiber laser beam oscillation-outputted from the fiber laser oscillator, the laser beam branching unit executes simultaneous multi-branching from the fiber laser beam into a plurality of branched laser beams. The laser beam injecting unit injects the branched laser beams respectively into optical fibers for transmission and the laser beam irradiating units condense and apply the branched laser beams from the optical fibers for transmission respectively to processing points.Type: ApplicationFiled: January 17, 2007Publication date: July 19, 2007Inventors: Yasushi Matsuda, Hidenori Shimada, Masayuki Akagi
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Publication number: 20060244227Abstract: A wheel for a wheelchair according to the present invention includes: an outer wheel 13 mounted on the inner periphery of a tire; an inner wheel 15 connected with a wheelchair frame 65 (concentric with the outer wheel 13 and positioned inside the outer wheel 13); a plurality of balls (rolling elements) 17 interposed between the outer wheel 13 and the inner wheel 15, arranged with an interval between each other in a circumferential direction; and a plurality of retainers (interval-holding members) 18 for holding intervals between the rolling elements 17. The retainer 18 is in a shape extending almost along a circumferential direction of the outer wheel 13 and the inner wheel 15, and is provided between the balls 17 respectively. The wheel does not have a hub and spokes, and the inner peripheral side does not rotate, and further the wheel weight is light. The wheelchair of the present invention includes the wheel for a wheelchair.Type: ApplicationFiled: May 20, 2004Publication date: November 2, 2006Applicant: THK CO., LTDInventors: Yasushi Matsuda, Tadashi Yasui, Kaoru Hoshide, Takashi Ogata
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Publication number: 20050196935Abstract: A process of producing a semiconductor device having a highly reliable groove isolation structure with a desired radius of curvature formed at the groove upper edge and without formation of any step. The device is produced by reducing the stress generation around the groove upper edge of an element isolation groove on a semiconductor substrate, thereby optimizing the shape of an element isolation groove and making the device finer and improving the device electric characteristics.Type: ApplicationFiled: April 19, 2005Publication date: September 8, 2005Inventors: Norio Ishitsuka, Hideo Miura, Shuji Ikeda, Norio Suzuki, Yasushi Matsuda, Yasuko Yoshida, Hirohiko Yamamoto, Masamichi Kobayashi, Akira Takamatsu, Hirofumi Shimizu, Kazushi Fukuda, Shinichi Horibe, Toshio Nozoe
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Patent number: 6881646Abstract: A process of producing a semiconductor device having a highly reliable groove isolation structure with a desired radius of curvature formed at the groove upper edge and without formation of any step. The device is produced by reducing the stress generation around the groove upper edge of an element isolation groove on a semiconductor substrate, thereby optimizing the shape of an element isolation groove and making the device finer and improving the device electric characteristics.Type: GrantFiled: March 21, 2003Date of Patent: April 19, 2005Assignees: Renesas Technology Corp., Hitachi ULSI Systems Co., Ltd.Inventors: Norio Ishitsuka, Hideo Miura, Shuji Ikeda, Norio Suzuki, Yasushi Matsuda, Yasuko Yoshida, Hirohiko Yamamoto, Masamichi Kobayashi, Akira Takamatsu, Hirofumi Shimizu, Kazushi Fukuda, Shinichi Horibe, Toshio Nozoe
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Publication number: 20030181020Abstract: A process of producing a semiconductor device having a highly reliable groove isolation structure with a desired radius of curvature formed at the groove upper edge and without formation of any step. The device is produced by reducing the stress generation around the groove upper edge of an element isolation groove on a semiconductor substrate, thereby optimizing the shape of an element isolation groove and making the device finer and improving the device electric characteristics.Type: ApplicationFiled: March 21, 2003Publication date: September 25, 2003Inventors: Norio Ishitsuka, Hideo Miura, Shuji Ikeda, Norio Suzuki, Yasushi Matsuda, Yasuko Yoshida, Hirohiko Yamamoto, Masamichi Kobayashi, Akira Takamatsu, Hirofumi Shimizu, Kazushi Fukuda, Shinichi Horibe, Toshio Nozoe