List of Tokuyama Corporation patents

Patents where

Current Assignee

Name

‌

Tokuyama Corporation

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 11578174 Polyrotaxane, production method therefor, and optical composition containing said polyrotaxane	Patent 11578174 was granted and assigned to Tokuyama Corporation on February, 2023 by the United States Patent and Trademark Office.	‌ Tokuyama Corporation	‌ Tokuyama Corporation	United States Patent and Trademark Office	11578174	February 14, 2023
‌ US Patent 11590509 Method for manufacturing polycrystalline silicon fragment and polycrystalline silicon block fracture device		‌ Tokuyama Corporation	‌ Tokuyama Corporation	United States Patent and Trademark Office	11590509	February 28, 2023
‌ US Patent 7084182 Photopolymerization initiator	Patent 7084182 was granted and assigned to Tokuyama Corporation on August, 2006 by the United States Patent and Trademark Office.		‌ Tokuyama Corporation	United States Patent and Trademark Office	7084182	August 1, 2006
‌ US Patent 11319635 Electrolysis vessel for alkaline water electrolysis		‌ Tokuyama Corporation	‌ Tokuyama Corporation	United States Patent and Trademark Office	11319635	May 3, 2022
‌ US Patent 11407683 Process for reforming the fly ash and apparatus therefor	Patent 11407683 was granted and assigned to Tokuyama Corporation on August, 2022 by the United States Patent and Trademark Office.	‌ Tokuyama Corporation	‌ Tokuyama Corporation	United States Patent and Trademark Office	11407683	August 9, 2022
‌ US Patent 9399577 Method for producing water-resistant aluminum nitride powder	Patent 9399577 was granted and assigned to Tokuyama Corporation on July, 2016 by the United States Patent and Trademark Office.	‌ Tokuyama Corporation	‌ Tokuyama Corporation	United States Patent and Trademark Office	9399577	July 26, 2016
‌ US Patent 7553467 Tubular reaction vessel and process for producing silicon therewith	Patent 7553467 was granted and assigned to Tokuyama Corporation on June, 2009 by the United States Patent and Trademark Office.		‌ Tokuyama Corporation	United States Patent and Trademark Office	7553467	June 30, 2009
‌ US Patent 6864299 Process for producing cured photochromic	Patent 6864299 was granted and assigned to Tokuyama Corporation on March, 2005 by the United States Patent and Trademark Office.		‌ Tokuyama Corporation	United States Patent and Trademark Office	6864299	March 8, 2005
‌ US Patent 11428685 Method of analyzing resins adhering to crushed polysilicon	Patent 11428685 was granted and assigned to Tokuyama Corporation on August, 2022 by the United States Patent and Trademark Office.	‌ Tokuyama Corporation	‌ Tokuyama Corporation	United States Patent and Trademark Office	11428685	August 30, 2022
‌ US Patent 7413718 Reaction apparatus for producing silicon	Patent 7413718 was granted and assigned to Tokuyama Corporation on August, 2008 by the United States Patent and Trademark Office.		‌ Tokuyama Corporation	United States Patent and Trademark Office	7413718	August 19, 2008
‌ US Patent 9457120 Air purifier	Patent 9457120 was granted and assigned to Tokuyama Corporation on October, 2016 by the United States Patent and Trademark Office.	‌ Tokuyama Corporation	‌ Tokuyama Corporation	United States Patent and Trademark Office	9457120	October 4, 2016
‌ US Patent 11505872 Gas production apparatus and gas production method	Patent 11505872 was granted and assigned to Tokuyama Corporation on November, 2022 by the United States Patent and Trademark Office.	‌ Tokuyama Corporation	‌ Tokuyama Corporation	United States Patent and Trademark Office	11505872	November 22, 2022
‌ US Patent 7626264 Substrate for device bonding and method for manufacturing same	Patent 7626264 was granted and assigned to Tokuyama Corporation on December, 2009 by the United States Patent and Trademark Office.		‌ Tokuyama Corporation	United States Patent and Trademark Office	7626264	December 1, 2009
‌ US Patent 11649327 Photochromic curable composition, use thereof, and polyrotaxane monomers	Patent 11649327 was granted and assigned to Tokuyama Corporation on May, 2023 by the United States Patent and Trademark Office.	‌ Tokuyama Corporation	‌ Tokuyama Corporation	United States Patent and Trademark Office	11649327	May 16, 2023
‌ US Patent 7087798 Process for preparation of spirofluorenols	Patent 7087798 was granted and assigned to Tokuyama Corporation on August, 2006 by the United States Patent and Trademark Office.		‌ Tokuyama Corporation	United States Patent and Trademark Office	7087798	August 8, 2006
‌ US Patent 11390577 Quaternary alkyl ammonium hypochlorite solution, method of producing the same, and method for processing semiconductor wafers	Patent 11390577 was granted and assigned to Tokuyama Corporation on July, 2022 by the United States Patent and Trademark Office.	‌ Tokuyama Corporation	‌ Tokuyama Corporation	United States Patent and Trademark Office	11390577	July 19, 2022
‌ US Patent 11332377 Method for producing polycrystalline silicon processed article	Patent 11332377 was granted and assigned to Tokuyama Corporation on May, 2022 by the United States Patent and Trademark Office.	‌ Tokuyama Corporation	‌ Tokuyama Corporation	United States Patent and Trademark Office	11332377	May 17, 2022
‌ US Patent 7087195 Photochromic curable composition and cured articles thereof	Patent 7087195 was granted and assigned to Tokuyama Corporation on August, 2006 by the United States Patent and Trademark Office.		‌ Tokuyama Corporation	United States Patent and Trademark Office	7087195	August 8, 2006
‌ US Patent 11348785 Apparatus for manufacturing group III nitride single crystal, method for manufacturing group III nitride single crystal using the apparatus, and aluminum nitride single crystal	Patent 11348785 was granted and assigned to Tokuyama Corporation on May, 2022 by the United States Patent and Trademark Office.	‌ Tokuyama Corporation	‌ Tokuyama Corporation	United States Patent and Trademark Office	11348785	May 31, 2022
‌ US Patent 11572331 Quaternary alkyl ammonium hypochlorite solution, method of producing the same, and method for processing semiconductor wafers	Patent 11572331 was granted and assigned to Tokuyama Corporation on February, 2023 by the United States Patent and Trademark Office.	‌ Tokuyama Corporation	‌ Tokuyama Corporation	United States Patent and Trademark Office	11572331	February 7, 2023
‌ US Patent 8980431 Primer composition for optical articles and optical articles	Patent 8980431 was granted and assigned to Tokuyama Corporation on March, 2015 by the United States Patent and Trademark Office.		‌ Tokuyama Corporation	United States Patent and Trademark Office	8980431	March 17, 2015
‌ US Patent 7338617 Process for preparing a flocculant for water treatment	Patent 7338617 was granted and assigned to Tokuyama Corporation on March, 2008 by the United States Patent and Trademark Office.		‌ Tokuyama Corporation	United States Patent and Trademark Office	7338617	March 4, 2008
‌ US Patent 7459794 Substrate for device bonding, device bonded substrate, and method for producing same	Patent 7459794 was granted and assigned to Tokuyama Corporation on December, 2008 by the United States Patent and Trademark Office.		‌ Tokuyama Corporation	United States Patent and Trademark Office	7459794	December 2, 2008
‌ US Patent 9215801 Via-holed ceramic substrate, metallized via-holed ceramic substrate, and method for manufacturing the same	Patent 9215801 was granted and assigned to Tokuyama Corporation on December, 2015 by the United States Patent and Trademark Office.		‌ Tokuyama Corporation	United States Patent and Trademark Office	9215801	December 15, 2015
‌ US Patent 11325830 Aluminum nitride particle		‌ Tokuyama Corporation	‌ Tokuyama Corporation	United States Patent and Trademark Office	11325830	May 10, 2022

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