Patents by Inventor Makoto Tsukahara
Makoto Tsukahara 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: 20150380136Abstract: The iron-based soft magnetic material includes: a parent phase containing iron as a main component; and a grain boundary phase present in a crystal grain boundary of the parent phase, the grain boundary phase containing as a main component a sulfide containing copper.Type: ApplicationFiled: June 30, 2015Publication date: December 31, 2015Applicants: Aisin Seiki Kabushiki Kaisha, Aisin Takaoka Co., Ltd.Inventors: Makoto TSUKAHARA, Mio BAN, Takeshi SEO, Zhong-zhi ZHANG
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Patent number: 8164992Abstract: An optical disc medium and corresponding optical recording method and optical recording apparatus. The optical disc medium comprises a substrate on which a shape according to modulated information data has been formed, and a coating film formed on the substrate. Known data is recorded in a predetermined location of the information data, with the known data being rewritten as postscript information by recording a postscript portion to the coating film to alter a portion of the known data, wherein the postscript information comprises readable non-error data.Type: GrantFiled: March 1, 2010Date of Patent: April 24, 2012Assignee: Sony Disc & Digital Solutions Inc.Inventors: Yoshinobu Usui, Akiya Saito, Makoto Tsukahara, Yoshitake Yanagisawa
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Patent number: 7911929Abstract: An optical disk read only memory having an information recording surface with a concave-convex pattern formed on the basis of a first signal and a reflective film covering the surface. The disc medium includes: an additional information recording section formed on a recording track of a first data string; and a second data string including a mark of removing or reducing the reflective film. The modulation methods of the first and the second data strings are identical, and Lh(n)>Lp1(n) and Wh(n)>(Wp1(n)+Wp2(n))/2 are satisfied, where a reference clock cycle is T, a data length is nT, a length and a width of the mark are Lh(n) and Wh(n), a length and a width of a base of the pit are Lp1(n), and Wp1(n), a length and a width of a top face of the pit is Lp2(n) exceeding Lp1(n), and Wp2(n) exceeding Wp1(n).Type: GrantFiled: December 5, 2008Date of Patent: March 22, 2011Assignee: Sony CorporationInventors: Tetsuhiro Sakamoto, Jun Nakano, Takayuki Asahina, Hideo Kawachi, Yoshitake Yanagisawa, Makoto Tsukahara, Inho Cho
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Patent number: 7852730Abstract: A molding and film forming apparatus 700 molds a disc substrate from a stamper 330 formed from an optical disc disc-master 320 and forms a coating film, for example, a reflective film onto the disc substrate, thereby forming a recorded optical disc 360. A postscript apparatus 200 writes postscript information once onto an optical disc 340 formed by the molding and film forming apparatus 700. As postscript information, a laser beam is irradiated to a predetermined interval of the optical disc 340, a portion which is detected as a pit is formed, and an optical disc 350 on which postscript information 420 has been recorded is formed. Identification information which enables each optical disc 340 to be identified can be postscribed. The postscript information is recorded in a conventional format and the postscript information can be reproduced by an existing reproducing apparatus.Type: GrantFiled: June 3, 2002Date of Patent: December 14, 2010Assignee: Sony CorporationInventors: Yoshinobu Usui, Akiya Saito, Makoto Tsukahara, Yoshitake Yanagisawa
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Publication number: 20100220571Abstract: An optical disc medium and corresponding optical recording method and optical recording apparatus. The optical disc medium comprises a substrate on which a shape according to modulated information data has been formed, and a coating film formed on the substrate. Known data is recorded in a predetermined location of the information data, with the known data being rewritten as postscript information by recording a postscript portion to the coating film to alter a portion of the known data, wherein the postscript information comprises readable non-error data.Type: ApplicationFiled: March 1, 2010Publication date: September 2, 2010Applicant: Sony Disc Technology Inc.Inventors: Yoshinobu Usui, Akiya Saito, Makoto Tsukahara, Yoshitake Yanagisawa
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Publication number: 20090147664Abstract: An optical disk read only memory having an information recording surface with a concave-convex pattern formed on the basis of a first signal and a reflective film covering the surface. The disc medium includes: an additional information recording section formed on a recording track of a first data string; and a second data string including a mark of removing or reducing the reflective film. The modulation methods of the first and the second data strings are identical, and Lh(n)>Lp1(n) and Wh(n)>(Wp1(n)+Wp2(n))/2 are satisfied, where a reference clock cycle is T, a data length is nT, a length and a width of the mark are Lh(n) and Wh(n), a length and a width of a base of the pit are Lp1(n), and Wp1(n), a length and a width of a top face of the pit is Lp2(n) exceeding Lp1(n), and Wp2(n) exceeding Wp1(n).Type: ApplicationFiled: December 5, 2008Publication date: June 11, 2009Applicant: Sony CorporationInventors: Tetsuhiro SAKAMOTO, Jun Nakano, Takayuki Asahina, Hideo Kawachi, Yoshitake Yanagisawa, Makoto Tsukahara, Inho Cho
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Publication number: 20090080312Abstract: At the stage where disc substrates are to be manufactured in mass production by using a stamper, a section where pits/lands are not formed is formed in advance as an additional information recording section among recording tracks formed by a recording data sequence of pits/lands. A metal alloy reflection film is coated on the information recording surface including such an additional information recording section 10. Then, thereafter, additional information is recorded in the additional information recording section 10 by forming hole marks 6 by erasing or decreasing a partial area of the metal alloy reflection film. The additional information is recorded in a partial area of recording tracks in the information recording area (the area where information is recorded by a recording data sequence of pits/lands, the area including a content area and a management area such as a lead-in).Type: ApplicationFiled: November 8, 2007Publication date: March 26, 2009Applicant: SONY CORPORATIONInventors: Tetsuhiro Sakamoto, Jun Nakano, Akiya Saito, Toshihiko Senno, Yoshinobu Usui, Makoto Tsukahara
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Patent number: 7236439Abstract: A molding and film forming apparatus 700 molds a disc substrate from a stamper 330 formed from an optical disc disc-master 320 and forms a coating film, for example, a reflective film onto the disc substrate, thereby forming a recorded optical disc 360. A postscript apparatus 200 writes postscript information once onto an optical disc 340 formed by the molding and film forming apparatus 700. As postscript information, a laser beam is irradiated to a predetermined interval of the optical disc 340, a portion which is detected as a pit is formed, and an optical disc 350 on which postscript information 420 has been recorded is formed. Identification information which enables each optical disc 340 to be identified can be postscribed. The postscript information is recorded in a conventional format and the postscript information can be reproduced by an existing reproducing apparatus.Type: GrantFiled: July 8, 2005Date of Patent: June 26, 2007Assignee: Sony Disc & Digital Sloutions Inc.Inventors: Yoshinobu Usui, Akiya Saito, Makoto Tsukahara, Yoshitake Yanagisawa
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Patent number: 7177264Abstract: An optical recording medium, with a construction and a manufacturing method thereof corresponding to those of a read-only optical recording medium and which can be manufactured inexpensively, which enables additional recording of the above-described codes, marks, and other new information, which can be recorded reliably and has satisfactory characteristics, is provided. A construction is adopted in which the optical recording medium S has an information layer 2 including a portion in which information is recorded by physical shape changes in, at least, the thickness direction or the track width direction, and which comprises a reflective film 3; the reflective film is formed of Al alloy or Cu alloy with an electrical resistivity of 20 ??·cm or more and 90 ??·cm or less, and information can be additionally recorded on the reflective film 3 by thermal recording.Type: GrantFiled: April 22, 2003Date of Patent: February 13, 2007Assignees: Sony Corporation, Sony Disc Technology, Inc.Inventors: Katsuhlsa Aratani, Shinji Minegishi, Makoto Tsukahara
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Publication number: 20070008235Abstract: An antenna device 1 has an antenna unit 2 which includes an antenna core member 5 including a soft magnetic member 51 having conductivity and a conductor member 6 which is attached to the antenna core member 5. At least part of the antenna core member 5 (for example, a core sheet 50A) is a sensor electrode which is able to detect an object. The sensor electrode is used as a sensor electrode such as a capacitance-operated sensor electrode. Thus, it is possible to provide an antenna device and a door handgrip apparatus having an antenna unit including an antenna core member which is shared for an antenna function and a sensor function.Type: ApplicationFiled: April 15, 2004Publication date: January 11, 2007Applicant: AISEN SEIKI KABUSHIKI KAISHAInventors: Makoto Tsukahara, Toshihiko Sakai, Wataru Yagi, Kiyokazu Ieda, Kota Maruyama
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Patent number: 6980171Abstract: An antenna is comprised of a core portion laminated by a magnetic ribbon through a deformable member and a coil portion wound around the core portion.Type: GrantFiled: March 25, 2003Date of Patent: December 27, 2005Assignee: Aisin Seiki Kabushiki KaishaInventors: Kota Maruyama, Wataru Yagi, Makoto Tsukahara
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Publication number: 20050243691Abstract: A molding and film forming apparatus 700 molds a disc substrate from a stamper 330 formed from an optical disc disc-master 320 and forms a coating film, for example, a reflective film onto the disc substrate, thereby forming a recorded optical disc 360. A postscript apparatus 200 writes postscript information once onto an optical disc 340 formed by the molding and film forming apparatus 700. As postscript information, a laser beam is irradiated to a predetermined interval of the optical disc 340, a portion which is detected as a pit is formed, and an optical disc 350 on which postscript information 420 has been recorded is formed. Identification information which enables each optical disc 340 to be identified can be postscribed. The postscript information is recorded in a conventional format and the postscript information can be reproduced by an existing reproducing apparatus.Type: ApplicationFiled: July 8, 2005Publication date: November 3, 2005Inventors: Yoshinobu Usui, Akiya Saito, Makoto Tsukahara, Yoshitake Yanagisawa
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Publication number: 20040196779Abstract: An optical recording medium, with a construction and a manufacturing method thereof corresponding to those of a read-only optical recording medium and which can be manufactured inexpensively, which enables additional recording of the above-described codes, marks, and other new information, which can be recorded reliably and has satisfactory characteristics, is provided.Type: ApplicationFiled: February 23, 2004Publication date: October 7, 2004Inventors: Katsuhisa Aratani, Shinji Minegishi, Makoto Tsukahara
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Publication number: 20030184489Abstract: An antenna is comprised of a core portion laminated by a magnetic ribbon through a deformable member and a coil portion wound around the core portion.Type: ApplicationFiled: March 25, 2003Publication date: October 2, 2003Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Kota Maruyama, Wataru Yagi, Makoto Tsukahara
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Publication number: 20030152009Abstract: A molding and film forming apparatus 700 molds a disc substrate from a stamper 330 formed from an optical disc disc-master 320 and forms a coating film, for example, a reflective film onto the disc substrate, thereby forming a recorded optical disc 360. A postscript apparatus 200 writes postscript information once onto an optical disc 340 formed by the molding and film forming apparatus 700. As postscript information, a laser beam is irradiated to a predetermined interval of the optical disc 340, a portion which is detected as a pit is formed, and an optical disc 350 on which postscript information 420 has been recorded is formed. Identification information which enables each optical disc 340 to be identified can be postscribed. The postscript information is recorded in a conventional format and the postscript information can be reproduced by an existing reproducing apparatus.Type: ApplicationFiled: January 30, 2003Publication date: August 14, 2003Inventors: Yoshinobu Usui, Akiya Saito, Makoto Tsukahara, Yoshitake Yanagisawa
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Patent number: 6419764Abstract: A hydrogen storage material includes a vanadium-based body-centered cubic matrix phase containing at least titanium and nickel in solid solution in the matrix phase. There is a positive correlation between the titanium concentration distribution in the matrix phase and the nickel concentration distribution in the matrix phase. The hydrogen storage material has a high activation characteristic and can be produced without heat-treatment at low cost. The material has the ground formula V160−x−y−zTixCryNiz, where 5≦x≦15, 5≦y≦25, 0<z<(½)x and z<5.Type: GrantFiled: June 21, 2000Date of Patent: July 16, 2002Assignee: Aisin Seiki Kabushiki KaishaInventors: Yoshihisa Kamiya, Kunio Takahashi, Makoto Tsukahara
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Patent number: 5776626Abstract: Disclosed are a hydrogen-occluding alloy electrode comprising an alloy powder wherein the alloy comprises a Ti-V solid solution mother phase and a secondary phase predominantly containing a Ti-Ni phase or an AB.sub.2 Laves phase in which the secondary phase forms a three-dimensional reticulate skeleton in the alloy; said hydrogen-occluding alloy powder surface-treated with hydrofluoric acid, to provide a titanium hydride surface and surface-coated with at least one metal of Ni, Cu and Co.Type: GrantFiled: March 24, 1997Date of Patent: July 7, 1998Assignees: Imra Material R&D Co., Ltd., Agency of Industrial Science and TechnologyInventors: Makoto Tsukahara, Kunio Takahashi, Takahiro Mishima, Akihito Isomura, Tetsuo Sakai, Hiroshi Miyamura, Itsuki Uehara
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Patent number: 5690799Abstract: Disclosed are a hydrogen-occluding alloy electrode comprising an alloy powder wherein the alloy comprises a Ti--V solid solution mother phase and a secondary phase predominantly containing a Ti--Ni phase or an AB.sub.2 Laves phase in which the secondary phase forms a three-dimensional reticulate skeleton in the alloy; said hydrogen-occluding alloy powder surface-treated with hydrofluoric acid to provide a titanium hydride surface and surface-coated with at least one metal of Ni, Cu and Co.Type: GrantFiled: March 27, 1995Date of Patent: November 25, 1997Assignees: IMRA Material R&D Co., Ltd., Agency of Industrial Science and TechnologyInventors: Makoto Tsukahara, Kunio Takahashi, Takahiro Mishima, Akihito Isomura, Tetsuo Sakai, Hiroshi Miyamura, Itsuki Uehara
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Patent number: 4970487Abstract: A sensor is provided for detecting a physical quantity such as fluid pressure and acceleration of a mass and converting same into electrical signals. The sensor has a diaphragm made of a metal deformable by the physical quantity, a layered constructed insulating means of an insulating material which is formed on the diaphragm by means of a physical vapor desposition process, wherein the layered constructed insulating means has at least two insulating material layers, a strain gauge formed on the layered constructed insulating means opposite the diaphragm by means of a physical vapor deposition process, and a contact zone on the strain gauge to provide an electrical connection for a physical quantity sensing device to the sensor. Due to the layered construction of the insulating means, the thickness of the insulating means as a whole may be reduced below that of a single layer insulating means and maintain good insulative properties particularly at excessive strain.Type: GrantFiled: December 12, 1988Date of Patent: November 13, 1990Assignee: Aisin Seiki Kabushiki KaishaInventors: Makoto Tsukahara, Yukihiro Kato, Yoshitaka Itoh, Tetsuo Oka