Patents by Inventor Balagopal N. Nair

Balagopal N. Nair 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).

  • ELECTROLYTE MEMBRANES FOR USE IN FUEL CELLS
    Publication number: 20080317945
    Abstract: A solid polymer electrolyte membrane that has excellent methanol-crossover-suppression performance is provided, along with a fuel cell that employs the electrolyte membrane. The electrolyte membrane includes a matrix including a proton-conducting polymer such as perfluorocarbon sulfonic acid and a sheet substantially consisting of an inorganic fiber such as glass fiber.
    Type: Application
    Filed: March 10, 2008
    Publication date: December 25, 2008
    Applicant: NORITAKE CO., LIMITED
    Inventors: Daishi YOSHIKAWA, Balagopal N. Nair
  • Porous cylindrical-body module, structure for supporting porous cylindrical bodies, and method for fastening a supporting member
    Patent number: 7255729
    Abstract: According to the module 10, the other end 22 of each of the plurality of porous cylindrical bodies 12 the one end 20 of each of which is closed is opened to the gas chamber 58 between the end cap 18 and the end cover 54, and the end cap 18 is provided with the through-hole 53 leading from the gas chamber 56 outward, and the gas chamber 58 leads outward by means of a path passing through the through-hole 53 and through the porous cylindrical body 12. The module 10 can have a gas-passing path from the peripheral wall 24 of the porous cylindrical-body 12 outward through the gas chamber 58 and through the through-hole 53.
    Type: Grant
    Filed: May 25, 2004
    Date of Patent: August 14, 2007
    Assignee: Noritake Co., Limited
    Inventors: Seiji Yamada, Balagopal N. Nair
  • Methods for making microporous ceramic materials
    Patent number: 7109137
    Abstract: The present invention provides a method for making a microporous ceramic material and includes the steps of (a) preparing a starting material for firing comprising a nonoxide ceramic precursor containing silicon as an essential component; (b) heating the starting material for firing in an atmosphere containing at least 1 mol % of hydrogen so as to form microporous ceramic product; and (c) cooling the microporous ceramic product.
    Type: Grant
    Filed: April 27, 2005
    Date of Patent: September 19, 2006
    Assignees: Noritake Co., Limited, Chubu Electric Power Co., Inc.
    Inventors: Balagopal N. Nair, Yasunori Ando, Hisatomi Taguchi, Shigeo Nagaya, Kiyoshi Komura
  • Methods for making microporous ceramic materials
    Patent number: 6903039
    Abstract: The present invention provides a method for making a microporous ceramic material and includes the steps of (a) preparing a starting material for firing comprising a nonoxide ceramic precursor containing silicon as an essential component; (b) heating the starting material for firing in an atmosphere containing at least 1 mol % of hydrogen so as to form microporous ceramic product; and (c) cooling the microporous ceramic product.
    Type: Grant
    Filed: February 19, 2003
    Date of Patent: June 7, 2005
    Assignees: Noritake Co., Limited, Chubu Electric Power Co., Inc.
    Inventors: Balagopal N. Nair, Yasunori Ando, Hisatomi Taguchi, Shigeo Nagaya, Kiyoshi Komura
  • Methods for making microporous ceramic materials
    Publication number: 20040009865
    Abstract: The present invention provides a method for making a microporous ceramic material and includes the steps of (a) preparing a starting material for firing comprising a nonoxide ceramic precursor containing silicon as an essential component; (b) heating the starting material for firing in an atmosphere containing at least 1 mol % of hydrogen so as to form microporous ceramic product; and (c) cooling the microporous ceramic product.
    Type: Application
    Filed: February 19, 2003
    Publication date: January 15, 2004
    Applicants: NORITAKE CO., LIMITED, CHUBU ELECTRIC POWER CO., INC.
    Inventors: Balagopal N. Nair, Yasunori Ando, Hisatomi Taguchi, Shigeo Nagaya, Kiyoshi Komura