Patents by Inventor Chang-yi Qian

Chang-yi Qian 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: 6911595
    Abstract: A charge transfer material comprising a basic compound having negative charge and represented by the following general formula (I): (A1-L)n1-A2·M??(I), wherein A1 represents a group having negative charge; A2 represents a basic group; M represents a cation for neutralizing the negative charge of (A1-L)n1-A2; L represents a divalent linking group or a single bond; and n1 represents an integer of 1 to 3. A photoelectric conversion device and a photo-electrochemical cell comprising the charge transfer material. A new nonvolatile pyridine compound, which is a low-viscosity liquid at room temperature, is preferably used for A2.
    Type: Grant
    Filed: June 14, 2002
    Date of Patent: June 28, 2005
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masaru Yoshikawa, Chang-yi Qian
  • Patent number: 6750352
    Abstract: A polymerizable molten salt monomer represented by the following general formula (I): wherein Q represents a nitrogen-containing aromatic heterocyclic atomic group which can form a cation; Y1 represents a divalent interlocking group or a bonding hand; Y2 represents a substituted or unsubstituted alkyl group; n represents an integer of from 2 to 20; m represents an integer of 2 or more; X− represents an anion; plural Y1's and plural Y2's may be the same or different, respectively, with the proviso that at least one of Y2's has a polymerizable substituent group; and a plurality of the compounds of the general formula (I) may be connected to each other at Q or Y2 to form a dimer, trimer or tetramer. Also disclosed are an electrolyte composition containing a polymer compound obtained by the polymerization of the molten salt monomer, and a cell containing the electrolyte composition.
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: June 15, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Michio Ono, Chang-yi Qian
  • Patent number: 6627099
    Abstract: An electrolyte composition which is excellent in durability and charge transport performance, and an electrochemical battery in which deterioration of the charge transport performance with time is minimized, the electrolyte composition including therein a salt which comprises an anion which contains a mesogen group, and an alkyl or alkenyl group having 6 carbons or more in the structure of the anion, and an organic or inorganic cation.
    Type: Grant
    Filed: August 22, 2001
    Date of Patent: September 30, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Michio Ono, Koji Wariishi, Takayasu Yasuda, Chang-yi Qian
  • Publication number: 20030127129
    Abstract: A charge transfer material comprising a basic compound having negative charge and represented by the following general formula (I):
    Type: Application
    Filed: June 14, 2002
    Publication date: July 10, 2003
    Inventors: Masaru Yoshikawa, Chang-Yi Qian
  • Publication number: 20020055046
    Abstract: An electrolyte composition which is excellent in durability and charge transport performance, and an electrochemical battery in which deterioration of the charge transport performance with time is minimized, the electrolyte composition including therein a salt which comprises an anion which contains a mesogen group, and an alkyl or alkenyl group having 6 carbons or more in the structure of the anion, and an organic or inorganic cation.
    Type: Application
    Filed: August 22, 2001
    Publication date: May 9, 2002
    Inventors: Michio Ono, Koji Wariishi, Takayasu Yasuda, Chang-Yi Qian
  • Patent number: 6376765
    Abstract: An electrolyte composition comprising a compound represented by the following general formula (1): wherein R represents a substituent containing a —(CR1R2—CR3R4—O)n— bond (in which R1 to R4 are independently a hydrogen atom or an alkyl group, n being an integer of 2 to 20); Q represents an atomic group forming an aromatic cation having a 5- or 6-membered ring structure with a nitrogen atom, which may have a substituent; and X− represents an anion. A photoelectric conversion device comprising the electrolyte composition and a photo-electrochemical cell composed thereof are also provided.
    Type: Grant
    Filed: August 3, 2000
    Date of Patent: April 23, 2002
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Koji Wariishi, Chang-yi Qian, Michio Ono
  • Publication number: 20010026890
    Abstract: A polymerizable molten salt monomer represented by the following general formula (I): 1
    Type: Application
    Filed: January 22, 2001
    Publication date: October 4, 2001
    Inventors: Michio Ono, Chang-yi Qian