Patents by Inventor Hiroki Yoshizaki
Hiroki Yoshizaki 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: 9390864Abstract: The present invention relates to the use of at least one imidazol derivative of formula I or 1-(3,3,4,4,4-pentafluorobutyl)-1H-imidazole, 1-(3,3,4,4,4-pentafluorobutyl)-1,2,3-triazole or 1-(2?-thioethyl)ethylimidazole as additive in dye-sensitized solar cells and to special electrolyte formulations and a dye-sensitized solar cell comprising at least one compound of formula I or 1-(3,3,4,4,4-pentafluorobutyl)-1H-imidazole, 1-(3,3,4,4,4-pentafluorobutyl)-1,2,3-triazole or 1-(2?-thioethyl)ethylimidazole.Type: GrantFiled: July 23, 2015Date of Patent: July 12, 2016Assignee: MERCK PATENT GMBHInventors: Kentaro Kawata, Tomohisa Goto, Hiroki Yoshizaki
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Patent number: 9287052Abstract: The present invention relates to the use of at least one tertiary amine-N-oxide of formula I as additive in dye-sensitized solar cells and to special electrolyte formulations and a dye-sensitized solar cell comprising at least one compound of formula I.Type: GrantFiled: May 24, 2013Date of Patent: March 15, 2016Assignee: Merck Patent GmbHInventors: Hiroki Yoshizaki, Kentaro Kawata, Tomohisa Goto, Hiromi Shinohara, Peter Kirsch
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Publication number: 20150340165Abstract: The present invention relates to the use of at least one imidazol derivative of formula I or 1-(3,3,4,4,4-pentafluorobutyl)-1H-imidazole, 1-(3,3,4,4,4-pentafluorobutyl)-1,2,3-triazole or 1-(2?-thioethyl)ethylimidazole as additive in dye-sensitized solar cells and to special electrolyte formulations and a dye-sensitized solar cell comprising at least one compound of formula I or 1-(3,3,4,4,4-pentafluorobutyl)-1H-imidazole, 1-(3,3,4,4,4-pentafluorobutyl)-1,2,3-triazole or 1-(2?-thioethyl)ethylimidazole.Type: ApplicationFiled: July 23, 2015Publication date: November 26, 2015Applicant: MERCK PATENT GMBHInventors: Kentaro KAWATA, Tomohisa GOTO, Hiroki YOSHIZAKI
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Patent number: 9159499Abstract: The present invention relates to the use of at least one imidazol derivative of formula I or 1-(3,3,4,4,4-pentafluorobutyl)-1H-imidazole, 1-(3,3,4,4,4-pentafluorobutyl)-1,2,3-triazole or 1-(2?-thioethyl)ethylimidazole as additive in dye-sensitized solar cells and to special electrolyte formulations and a dye-sensitized solar cell comprising at least one compound of formula I or 1-(3,3,4,4,4-pentafluorobutyl)-1H-imidazole, 1-(3,3,4,4,4-pentafluorobutyl)-1,2,3-triazole or 1-(2?-thioethyl)ethylimidazole.Type: GrantFiled: August 20, 2012Date of Patent: October 13, 2015Assignee: Merck Patent GmbHInventors: Kentaro Kawata, Tomohisa Goto, Hiroki Yoshizaki
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Patent number: 8921589Abstract: The present invention relates to electrolyte formulations comprising at least one imidazolium fluorotricyanoborate or pyrrolidinium fluorotricyanoborate and their use in an electrochemical and/or optoelectronic device such as a photovoltaic cell, a light emitting device, an electrochromic or photo-electrochromic device, an electrochemical sensor and/or biosensor, preferably their use in a dye or quantum dot sensitized solar cell.Type: GrantFiled: September 1, 2011Date of Patent: December 30, 2014Assignee: Merck Patent GmbHInventors: Kentaro Kawata, Nikolai Mykola Ignatyev, Michael Schulte, Hiroki Yoshizaki
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Patent number: 8901340Abstract: The present invention relates to compounds containing perfluoroalkyl-cyano-alkoxy-borate anions or perfluoroalkyl-cyano-alkoxy-fluoro-borate anions, ((per)fluoro)phenyl-cyano-alkoxy-borate anions or ((per)fluoro)phenyl-cyano-alkoxy-fluoro-borate anions or phenyl-cyano-alkoxy-borate anions which are monosubstituted or disubstituted with perfluoroalkyl groups having 1 to 4 C atoms or phenyl-cyano-alkoxy-fluoro-borate anions which are monosubstituted or disubstituted with perfluoroalkyl groups having 1 to 4 C atoms, the preparation thereof and the use thereof, in particular as part of electrolyte formulations for dye sensitized solar cells.Type: GrantFiled: January 12, 2011Date of Patent: December 2, 2014Assignee: Merck Patent GmbHInventors: Hiromi Shinohara, Kentaro Kawata, Hiroki Yoshizaki, Peer Kirsch, Nikolai (Mykola) Ignatyev, William Robert Pitner, Michael Schulte, Jan Sprener, Maik Finze, Walter Frank
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Patent number: 8835667Abstract: The present invention relates to electrolyte formulations comprising at least one compound of formula (I) Ma+[B(Rf)(CN)x(F)y]a— (I) in which Ma+ is an inorganic or organic cation, Rf denotes straight-chain or branched perfluoroalkyl groups having 1 to 4 C atoms, C6F5, C6H5, partially fluorinated phenyl or phenyl which is monosubstituted or disubstituted by perfluoroalkyl groups having 1 to 4 C atoms, a is 1 or 2, x is 1, 2 or 3, y is 0, 1 or 2 and x+y is 3 and their use in an electrochemical and/or optoelectronic device such as a photovoltaic cell, a capacitor, a light emitting device, an electrochromic or photo-electrochromic device, an electrochemical sensor and/or biosensor, preferably their use in a dye or quantum dot sensitized solar cell.Type: GrantFiled: January 12, 2011Date of Patent: September 16, 2014Assignee: Merck Patent GmbHInventors: Hiromi Shinohara, Kentaro Kawata, Hiroki Yoshizaki, Peer Kirsch, Nikolai (Mykola) Ignatyev, Michael Schulte, Jan Sprenger, Maik Finze, Walter Frank
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Patent number: 8829201Abstract: The present invention relates to electrolyte formulations comprising at least one imidazolium difluorodicyanoborate or pyrrolidinium difluorodicyanoborate and their use in an electrochemical and/or optoelectronic device such as a photovoltaic cell, a light emitting device, an electrochromic or photo-electrochromic device, an electrochemical sensor and/or biosensor, preferably their use in a dye or quantum dot-sensitized solar cell.Type: GrantFiled: July 6, 2012Date of Patent: September 9, 2014Assignee: Merck Patent GmbHInventors: Kentaro Kawata, Hiroki Yoshizaki, Hiromi Shinohara, Peer Kirsch, Nikolai (Mykola) Ignatyev, William-Robert Pitner, Emil Ferdinand Aust, Marlies Waterman
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Publication number: 20140190567Abstract: The present invention relates to the use of at least one imidazol derivative of formula I or 1-(3,3,4,4,4-pentafluorobutyl)-1H-imidazole, 1-(3,3,4,4,4-pentafluorobutyl)-1,2,3-triazole or 1-(2?-thioethyl)ethylimidazole as additive in dye-sensitized solar cells and to special electrolyte formulations and a dye-sensitized solar cell comprising at least one compound of formula I or 1-(3,3,4,4,4-pentafluorobutyl)-1H-imidazole, 1-(3,3,4,4,4-pentafluorobutyl)-1,2,3-triazole or 1-(2?-thioethyl)ethylimidazole.Type: ApplicationFiled: August 20, 2012Publication date: July 10, 2014Applicant: MERCK PATENT GMBHInventors: Kentaro Kawata, Tomohisa Goto, Hiroki Yoshizaki
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Publication number: 20140182680Abstract: The present invention relates to electrolyte formulations comprising at least one compound comprising a dihydridodicyanoborate anion and their use in an eletrochemical and/or optoelectronic device such as a photovoltaic cell, a light emitting device, an electrochromic or photo-electrochromic device, an electrochemical sensor and/or biosensor, preferably their use in a dye or quantum dot sensitized solar cell.Type: ApplicationFiled: May 23, 2012Publication date: July 3, 2014Applicant: MERCK PATENT GMBHInventors: Kentaro KAWATA, Tomohisa GOTO, Nikolai (Mykola) IGNATYEV, Michael SCHULTE, Hiroki YOSHIZAKI, Eduard BERNHARDT, Vera BERNHARDT-PITCHOUGINA, Helge WILLNER
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Publication number: 20130292601Abstract: The present invention relates to the use of at least one tertiary amine-N-oxide of formula I as additive in dye-sensitized solar cells and to special electrolyte formulations and a dye-sensitized solar cell comprising at least one compound of formula I.Type: ApplicationFiled: May 24, 2013Publication date: November 7, 2013Inventors: Hiroki YOSHIZAKI, Kentaro KAWATA, Tomohisa GOTO, Hiromi SHINOHARA, Peter KIRSCH
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Publication number: 20130180591Abstract: The present invention relates to electrolyte formulations comprising at least one imidazolium fluorotricyanoborate or pyrrolidinium fluorotricyanoborate and their use in an electrochemical and/or optoelectronic device such as a photovoltaic cell, a light emitting device, an electrochromic or photo-electrochromic device, an electrochemical sensor and/or biosensor, preferably their use in a dye or quantum dot sensitized solar cell.Type: ApplicationFiled: September 1, 2011Publication date: July 18, 2013Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Kentaro Kawata, Nikolai Mykola Ignatyev, Michael Schulte, Hiroki Yoshizaki
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Publication number: 20120318360Abstract: The present invention relates to electrolyte formulations comprising at least one imidazolium difluorodicyanoborate or pyrrolidinium difluorodicyanoborate and their use in an electrochemical and/or optoelectronic device such as a photovoltaic cell, a light emitting device, an electrochromic or photo-electrochromic device, an electrochemical sensor and/or biosensor, preferably their use in a dye or quantum dot-sensitized solar cellType: ApplicationFiled: July 6, 2012Publication date: December 20, 2012Applicant: MERCK PATENT GMBHInventors: Kentaro KAWATA, Hiroki YOSHIZAKI, Hiromi SHINOHARA, Peer KIRSCH, Nikolai (Mykola) IGNATYEV, William-Robert PITNER, Emil Ferdinand AUST, Marlies WATERMANN
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Publication number: 20120309982Abstract: The present invention relates to electrolyte formulations comprising at least one compound of formula (I) Ma+[B(Rf)(CN)x(F)y]a— (I) in which Ma+ is an inorganic or organic cation, Rf denotes straight-chain or branched perfluoroalkyl groups having 1 to 4 C atoms, C6F5, C6H5, partially fluorinated phenyl or phenyl which is monosubstituted or disubstituted by perfluoroalkyl groups having 1 to 4 C atoms, a is 1 or 2, x is 1, 2 or 3, y is 0, 1 or 2 and x+y is 3 and their use in an electrochemical and/or optoelectronic device such as a photovoltaic cell, a capacitor, a light emitting device, an electrochromic or photo-electrochromic device, an electrochemical sensor and/or biosensor, preferably their use in a dye or quantum dot sensitized solar cell.Type: ApplicationFiled: January 12, 2011Publication date: December 6, 2012Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Hiromi Shinohara, Kentaro Kawata, Hiroki Yoshizaki, Peer Kirsch, Nikolai (Mykola) Ignatyev, Michael Schulte, Jan Sprenger, Maik Finze, Walter Frank
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Publication number: 20120296096Abstract: The present invention relates to compounds containing perfluoroalkyl-cyano-alkoxy-borate anions or perfluoroalkyl-cyano-alkoxy-fluoro-borate anions, ((per)fluoro)phenyl-cyano-alkoxy-borate anions or ((per)fluoro)phenyl-cyano-alkoxy-fluoro-borate anions or phenyl-cyano-alkoxy-borate anions which are monosubstituted or disubstituted with perfluoroalkyl groups having 1 to 4 C atoms or phenyl-cyano-alkoxy-fluoro-borate anions which are monosubstituted or disubstituted with perfluoroalkyl groups having 1 to 4 C atoms, the preparation thereof and the use thereof, in particular as part of electrolyte formulations for dye sensitized solar cells.Type: ApplicationFiled: January 12, 2011Publication date: November 22, 2012Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Hiromi Shinohara, Kentaro Kawata, Hiroki Yoshizaki, Peer Kirsch, Nikolai (Mykola) Ignatyev, William Robert Pitner, Michael Schulte, Jan Sprener, Maik Finze, Walter Frank