Patents by Inventor Naoya Nakanishi

Naoya Nakanishi 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).

  • Patent number: 6995333
    Abstract: A nonaqueous electrolyte secondary cell comprises a rolled-up electrode unit 2 composed of a positive electrode 23, a negative electrode 21 and a separator 22 interposed therebetween, and a negative electrode current collector plate 3 and a positive electrode current collector plate 30 joined to the respective ends of the electrode unit 2. The negative electrode collector plate 3 is joined to an edge of the negative electrode 21 projecting at one of the opposite ends of the electrode unit 2. The collector plate 3 has a two-layer structure comprising a copper layer 31 made of copper or an alloy consisting predominantly of copper, and a metal layer made of a metal not forming an intermetallic compound with lithium and having a lower laser beam reflectivity than copper or an alloy consisting predominantly of the metal. The collector plate 3 has its copper layer 31 contacted with the edge of the negative electrode 21 and welded thereto with a laser beam.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: February 7, 2006
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Naoya Nakanishi, Kouichi Satoh, Toshiyuki Nohma, Ikuo Yonezu
  • Publication number: 20050266313
    Abstract: In a non-aqueous electrolyte secondary battery using a layered lithium-transition metal composite oxide as a positive electrode active material, elevated-temperature durability, that is, elevated-temperature storage performance is enhanced without degrading battery capacity. The non-aqueous electrolyte secondary battery includes: a positive electrode including, as a positive electrode active material, layered lithium-transition metal composite oxide containing lithium, nickel, and manganese; a negative electrode active material capable of intercalating and deintercalating lithium; and a non-aqueous electrolyte having lithium ion conductivity, and the lithium-transition metal composite oxide contains a group IVA element and a group IIA element of the periodic table.
    Type: Application
    Filed: May 27, 2005
    Publication date: December 1, 2005
    Inventors: Hideki Kitao, Toyoki Fujihara, Kazuhisa Takeda, Naoya Nakanishi, Toshiyuki Nohma
  • Publication number: 20050191553
    Abstract: A lithium secondary battery is provided with a positive electrode, a negative electrode, and a non-aqueous electrolyte prepared by dissolving a solute in a non-aqueous solvent wherein a positive electrode active material of said positive electrode is composed of lithium-manganese composite oxide having a spinel structure and lithium-transition metal composite oxide having a layer structure containing at least nickel and lithium salt having oxalato complex as anion is admixed to said non-aqueous electrolyte.
    Type: Application
    Filed: February 25, 2005
    Publication date: September 1, 2005
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Toyoki Fujihara, Kazuhisa Takeda, Hideki Kitao, Takaaki Ikemachi, Toshiyuki Nohma, Naoya Nakanishi
  • Patent number: 6913852
    Abstract: A battery module has a plurality of electrically connected unit cells fixed in a container. A buffer member is provided at the void between the inner wall of the container and the unit cell. By virtue of the buffer member in the battery module formed of a heat conductive elastic body, the requirement of vibration resistance can be met by the buffer member while the heat generated by the unit cell can be easily discharged via the buffer member. Thus, a battery module suppressed in degradation of the performance of the unit cell caused by heat can be provided.
    Type: Grant
    Filed: October 2, 2002
    Date of Patent: July 5, 2005
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Naoya Nakanishi, Kouichi Satoh, Yoshito Chikano, Kazunari Ohkita, Ikuo Yonezu, Koji Nishio
  • Patent number: 6899973
    Abstract: A nonaqueous electrolyte secondary cell comprises a rolled-up electrode unit 2 composed of a positive electrode 23, a negative electrode 21 and a separator 22 interposed therebetween, and a negative electrode current collector plate 3 and a positive electrode current collector plate 30 joined to the respective ends of the electrode unit 2. The negative electrode collector plate 3 is joined to an edge of the negative electrode 21 projecting at one of the opposite ends of the electrode unit 2. The collector plate 3 has a two-layer structure comprising a copper layer 31 made of copper or an alloy consisting predominantly of copper, and a metal layer made of a metal not forming an intermetallic compound with lithium and having a lower laser beam reflectivity than copper or an alloy consisting predominantly of the metal. The collector plate 3 has its copper layer 31 contacted with the edge of the negative electrode 21 and welded thereto with a laser beam.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: May 31, 2005
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Naoya Nakanishi, Kouichi Satoh, Toshiyuki Nohma, Ikuo Yonezu
  • Publication number: 20040247998
    Abstract: A nonaqueous electrolyte secondary cell comprises a rolled-up electrode unit 2 composed of a positive electrode 23, a negative electrode 21 and a separator 22 interposed therebetween, and a negative electrode current collector plate 3 and a positive electrode current collector plate 30 joined to the respective ends of the electrode unit 2. The negative electrode collector plate 3 is joined to an edge of the negative electrode 21 projecting at one of the opposite ends of the electrode unit 2. The collector plate 3 has a two-layer structure comprising a copper layer 31 made of copper or an alloy consisting predominantly of copper, and a metal layer made of a metal not forming an intermetallic compound with lithium and having a lower laser beam reflectivity than copper or an alloy consisting predominantly of the metal. The collector plate 3 has its copper layer 31 contacted with the edge of the negative electrode 21 and welded thereto with a laser beam.
    Type: Application
    Filed: December 22, 2003
    Publication date: December 9, 2004
    Inventors: Naoya Nakanishi, Kouichi Satoh, Toshiyuki Nohma, Ikuo Yonezu
  • Patent number: 6808848
    Abstract: Used as the positive electrode active substance of a lithium ion secondary cell is a mixture of a lithium-nickel-cobalt-manganese composite oxide represented by the formula LiNi(1−x−y)COxMnyO2 wherein 0.5<x+y<1.0 and 0.1<y<0.6 and a lithium-manganese composite oxide represented by the formula Li(1+Z)Mn2O4 wherein 0≦z≦0.2. The substance used gives outstanding power characteristics to the cell.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: October 26, 2004
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Naoya Nakanishi, Kouichi Satoh, Toshiyuki Nohma, Ikuo Yonezu
  • Publication number: 20040148572
    Abstract: When a user outputs, e.g., a plurality of sheets of a content by printing the contents of a variable part in page data to be automatically edited is automatically edited/outputted for each customer by using customer data, a marketing database, and so on. A user terminal is provided with an automatic editing system for page data. In a database system connectable with the user terminal, stored is data on relation about what content is arranged on the variable part in the page data when the page data is outputted. The user terminal designates a layout of the page data, acquires data for automatically selecting and outputting a content by accessing a content database in accordance with the relation, creates page data according to the layout, and outputs it. During the processings, a content arranged in the variable part is automatically selected and inserted for every output in accordance with the relation.
    Type: Application
    Filed: March 15, 2004
    Publication date: July 29, 2004
    Inventors: Naoya Nakanishi, Yuichi Toyota
  • Publication number: 20040142234
    Abstract: A non-aqueous electrolyte secondary battery is provided with a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte, wherein positive electrode active material is a mixture of lithium-manganese composite oxide having spinel structure represented by a general formula Li1+zMn2O4 (wherein a relationship 0≦z≦0.2 is satisfied) and lithium-transition metal composite oxide represented by the general formula LiNi1−x−yCoxMnyO2 (wherein the relationships 0.5<x+y<1.0 and 0.1<y<0.6 are satisfied), and negative electrode active material is graphite coated with low crystalline carbon where whole or a part of a surface of first graphite material as a substrate is coated with second carbon material which is lower in crystallinity compared with the first graphite material.
    Type: Application
    Filed: October 10, 2003
    Publication date: July 22, 2004
    Inventors: Naoya Nakanishi, Kouichi Satoh, Hideki Kitao, Hiroyuki Akita, Atsuhiro Funahashi, Toshiyuki Nohma
  • Publication number: 20040131930
    Abstract: A nonaqueous electrolyte secondary cell comprises a rolled-up electrode unit 2 composed of a positive electrode 23, a negative electrode 21 and a separator 22 interposed therebetween, and a negative electrode current collector plate 3 and a positive electrode current collector plate 30 joined to the respective ends of the electrode unit 2. The negative electrode collector plate 3 is joined to an edge of the negative electrode 21 projecting at one of the opposite ends of the electrode unit 2. The collector plate 3 has a two-layer structure comprising a copper layer 31 made of copper or an alloy consisting predominantly of copper, and a metal layer made of a metal not forming an intermetallic compound with lithium and having a lower laser beam reflectivity than copper or an alloy consisting predominantly of the metal. The collector plate 3 has its copper layer 31 contacted with the edge of the negative electrode 21 and welded thereto with a laser beam.
    Type: Application
    Filed: December 22, 2003
    Publication date: July 8, 2004
    Inventors: Naoya Nakanishi, Kouichi Satoh, Toshiyuki Nohma, Ikuo Yonezu
  • Publication number: 20040128826
    Abstract: A nonaqueous electrolyte secondary cell comprises a rolled-up electrode unit 2 composed of a positive electrode 23, a negative electrode 21 and a separator 22 interposed therebetween, and a negative electrode current collector plate 3 and a positive electrode current collector plate 30 joined to the respective ends of the electrode unit 2. The negative electrode collector plate 3 is joined to an edge of the negative electrode 21 projecting at one of the opposite ends of the electrode unit 2. The collector plate 3 has a two-layer structure comprising a copper layer 31 made of copper or an alloy consisting predominantly of copper, and a metal layer made of a metal not forming an intermetallic compound with lithium and having a lower laser beam reflectivity than copper or an alloy consisting predominantly of the metal. The collector plate 3 has its copper layer 31 contacted with the edge of the negative electrode 21 and welded thereto with a laser beam.
    Type: Application
    Filed: December 22, 2003
    Publication date: July 8, 2004
    Inventors: Naoya Nakanishi, Kouichi Satoh, Toshiyuki Nohma, Ikuo Yonezu
  • Publication number: 20040110064
    Abstract: In a non-aqueous electrolyte secondary battery provided with a positive electrode, a negative electrode, and a non-aqueous electrolyte solution, a positive electrode active material is a mixture of lithium-manganese composite oxide and at least one of lithium-nickel composite oxide represented by a general formula LiNiaM11−aO2 and lithium-cobalt composite oxide represented by the general formula LiCobM21−bO2, and said non-aqueous electrolyte solution contains at least a saturated cyclic carbonic acid ester and an unsaturated cyclic carbonic acid ester having double bond of carbon where content by amount of said unsaturated cyclic carbonic acid ester having double bond of carbon is in a range of 1.0×10−8 to 2.4×10−4 g per positive electrode capacity 1 mAh.
    Type: Application
    Filed: August 20, 2003
    Publication date: June 10, 2004
    Applicant: SANYO ELECTRIC, CO., LTD.
    Inventors: Hideki Kitao, Takao Inoue, Katsunori Yanagida, Naoya Nakanishi, Atsuhiro Funahashi, Toshiyuki Nohma
  • Publication number: 20040107109
    Abstract: Retrieving content from distributed content servers and using the content to perform charging and register the content in a content server.
    Type: Application
    Filed: December 29, 2003
    Publication date: June 3, 2004
    Inventors: Naoya Nakanishi, Yuichi Toyota
  • Patent number: 6740975
    Abstract: A wiring substrate has signal transmission paths in a strip line structure implemented through sandwiching of signal wiring layers between first and second conductor layers via first and second dielectric layers. Through holes are formed in the first conductor layer. The through holes are not formed in wiring correspondence regions, which correspond to the signal wiring layers as projected onto the first conductor layer in the thickness direction of the first conductor layer. All of the through holes are formed in a wiring noncorrespondence region, which is the remaining portion of the first conductor layer not including the wiring correspondence regions.
    Type: Grant
    Filed: April 22, 2002
    Date of Patent: May 25, 2004
    Assignee: NGK Spark Plug Company, Limited
    Inventor: Naoya Nakanishi
  • Publication number: 20040098344
    Abstract: Performing protection of content and appropriate charging at the time of using the content according to a method of use.
    Type: Application
    Filed: January 2, 2004
    Publication date: May 20, 2004
    Inventors: Naoya Nakanishi, Yuichi Toyota
  • Publication number: 20040088183
    Abstract: A user carries out charging processing at the time when he/she downloads or outputs a content, and also carried out the charging processing in accordance with the size, resolution, output method, etc. of the content when the charging is carried out.
    Type: Application
    Filed: December 24, 2003
    Publication date: May 6, 2004
    Inventors: Naoya Nakanishi, Yuichi Toyota
  • Publication number: 20040088170
    Abstract: There is provided a program that is used for charging when contents are used and installed in a user terminal.
    Type: Application
    Filed: December 29, 2003
    Publication date: May 6, 2004
    Inventors: Naoya Nakanishi, Yuichi Toyota
  • Patent number: 6730438
    Abstract: A nonaqueous electrolyte secondary cell includes a rolled-up electrode unit composed of a positive electrode, a negative electrode and a separator interposed therebetween, and a negative electrode current collector plate and a positive electrode current collector plate joined to the respective ends of the electrode unit. The collector plate has a two-layer structure comprising a copper layer made of copper or an alloy consisting predominantly of copper, and a metal layer made of a metal not forming an intermetallic compound with lithium and having a lower laser beam reflectivity than copper or an alloy consisting predominantly of the metal. The collector plate has its copper layer contacted with an edge of the negative electrode projecting at one of the opposite ends of the electrode unit and welded thereto with a laser beam.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: May 4, 2004
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Naoya Nakanishi, Kouichi Satoh, Toshiyuki Nohma, Ikuo Yonezu
  • Publication number: 20040062995
    Abstract: In a non-aqueous electrolyte secondary battery provided with a positive electrode, a negative electrode using carbon material as negative electrode active material, and a non-aqueous electrolyte solution, the non-aqueous electrolyte solution contains at least a saturated cyclic carbonic ester and a cyclic carbonic ester having C═C double bond where an amount of the cyclic carbonic ester having C═C double bond is in a range of 1.0×10−8 to 13.0×10−5 g per negative electrode capacity of 1 mAh.
    Type: Application
    Filed: September 17, 2003
    Publication date: April 1, 2004
    Applicant: SANYO ELECTRIC, CO., LTD.
    Inventors: Katsunori Yanagida, Naoya Nakanishi, Atsuhiro Funahashi, Toshiyuki Nohma
  • Publication number: 20040062993
    Abstract: A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode comprising a graphite as a negative electrode active material, and a nonaqueous electrolyte including at least a saturated cyclic carbonic ester and containing a cyclic carbonic ester having a carbon-carbon double bond such that, when a content of the cyclic carbonic ester having a carbon-carbon double bond is x (g), a content of the graphite in the negative electrode is B (g), a specific surface area of the graphite is A (m2/g), a size of the crystallite of the graphite in a direction of the c axis is Lc, and a size of the crystallite of the graphite in a direction of the a axis is La, a condition expressed by
    Type: Application
    Filed: September 30, 2003
    Publication date: April 1, 2004
    Inventors: Katsunori Yanagida, Takao Inoue, Naoya Nakanishi, Atsuhiro Funahashi, Toshiyuki Nohma