List of Seikagaku patents

Patents where

Current Assignee

Name

‌

Seikagaku

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 9040254 Methods for detecting an endotoxin using a horseshoe crab clotting enzyme	Patent 9040254 was granted and assigned to Seikagaku on May, 2015 by the United States Patent and Trademark Office.	‌ Seikagaku	‌ Seikagaku	United States Patent and Trademark Office	9040254	May 26, 2015
‌ US Patent 10259889 Method for sulfating glycosaminoglycan	Patent 10259889 was granted and assigned to Seikagaku on April, 2019 by the United States Patent and Trademark Office.	‌ Seikagaku	‌ Seikagaku	United States Patent and Trademark Office	10259889	April 16, 2019
‌ US Patent 7333847 Method for evaluation of tissue adhesion level	Patent 7333847 was granted and assigned to Seikagaku on February, 2008 by the United States Patent and Trademark Office.		‌ Seikagaku	United States Patent and Trademark Office	7333847	February 19, 2008
‌ US Patent 7365059 Photocrosslinked-polysaccharide composition and production process of the same	Patent 7365059 was granted and assigned to Seikagaku on April, 2008 by the United States Patent and Trademark Office.		‌ Seikagaku	United States Patent and Trademark Office	7365059	April 29, 2008
‌ US Patent 7601488 Hyaluronic acid oligosaccharide fractions and drugs containing the same	Patent 7601488 was granted and assigned to Seikagaku on October, 2009 by the United States Patent and Trademark Office.		‌ Seikagaku	United States Patent and Trademark Office	7601488	October 13, 2009
‌ US Patent 7468265 Stabilizing agent for enzymes	Patent 7468265 was granted and assigned to Seikagaku on December, 2008 by the United States Patent and Trademark Office.		‌ Seikagaku	United States Patent and Trademark Office	7468265	December 23, 2008
‌ US Patent 11499177 Horseshoe crab factor B variant	Patent 11499177 was granted and assigned to Seikagaku on November, 2022 by the United States Patent and Trademark Office.	‌ Seikagaku	‌ Seikagaku	United States Patent and Trademark Office	11499177	November 15, 2022
‌ US Patent 11648299 Pharmaceutical composition, package and method for producing the same	Patent 11648299 was granted and assigned to Seikagaku on May, 2023 by the United States Patent and Trademark Office.	‌ Seikagaku	‌ Seikagaku	United States Patent and Trademark Office	11648299	May 16, 2023
‌ US Patent 7700747 Crosslinked polysaccharide sponge	Patent 7700747 was granted and assigned to Seikagaku on April, 2010 by the United States Patent and Trademark Office.		‌ Seikagaku	United States Patent and Trademark Office	7700747	April 20, 2010
‌ US Patent 10420796 Crosslinked chondroitin sulfate, composition containing same, and treatment agent for eye disease	Patent 10420796 was granted and assigned to Seikagaku on September, 2019 by the United States Patent and Trademark Office.	‌ Seikagaku	‌ Seikagaku	United States Patent and Trademark Office	10420796	September 24, 2019
‌ US Patent 7150981 Sulfate transferase and DNA encoding this enzyme	Patent 7150981 was granted and assigned to Seikagaku on December, 2006 by the United States Patent and Trademark Office.		‌ Seikagaku	United States Patent and Trademark Office	7150981	December 19, 2006
‌ US Patent 11236318 Recombinant Factor C and method for producing the same, and method for measuring endotoxin	Patent 11236318 was granted and assigned to Seikagaku on February, 2022 by the United States Patent and Trademark Office.	‌ Seikagaku	‌ Seikagaku	United States Patent and Trademark Office	11236318	February 1, 2022
‌ US Patent 11207345 Crosslinked chondroitin sulfate, composition containing same, and treatment agent for eye disease	Patent 11207345 was granted and assigned to Seikagaku on December, 2021 by the United States Patent and Trademark Office.	‌ Seikagaku	‌ Seikagaku	United States Patent and Trademark Office	11207345	December 28, 2021
‌ US Patent 7326799 Epoxycarboxamide compound, azide compound, and amino alcohol compound, and process for preparing alpha-keto amide compound using them	Patent 7326799 was granted and assigned to Seikagaku on February, 2008 by the United States Patent and Trademark Office.		‌ Seikagaku	United States Patent and Trademark Office	7326799	February 5, 2008
‌ US Patent 7541162 Method for producing factor G derived from horseshoe crab	Patent 7541162 was granted and assigned to Seikagaku on June, 2009 by the United States Patent and Trademark Office.		‌ Seikagaku	United States Patent and Trademark Office	7541162	June 2, 2009
‌ US Patent 7598068 Chondroitin polymerase and DNA encoding the same	Patent 7598068 was granted and assigned to Seikagaku on October, 2009 by the United States Patent and Trademark Office.		‌ Seikagaku	United States Patent and Trademark Office	7598068	October 6, 2009
‌ US Patent 10982202 Recombinant factor C and method for producing the same, and method for measuring endotoxin	Patent 10982202 was granted and assigned to Seikagaku on April, 2021 by the United States Patent and Trademark Office.	‌ Seikagaku	‌ Seikagaku	United States Patent and Trademark Office	10982202	April 20, 2021
‌ US Patent 9636346 Alpha-oxoacyl amino-caprolactam derivative	Patent 9636346 was granted and assigned to Seikagaku on May, 2017 by the United States Patent and Trademark Office.	‌ Seikagaku	‌ Seikagaku	United States Patent and Trademark Office	9636346	May 2, 2017
‌ US Patent 9481707 α-oxoacyl amino-caprolactam derivative	Patent 9481707 was granted and assigned to Seikagaku on November, 2016 by the United States Patent and Trademark Office.	‌ Seikagaku	‌ Seikagaku	United States Patent and Trademark Office	9481707	November 1, 2016
‌ US Patent 9562042 α-oxoacyl amino-caprolactam	Patent 9562042 was granted and assigned to Seikagaku on February, 2017 by the United States Patent and Trademark Office.	‌ Seikagaku	‌ Seikagaku	United States Patent and Trademark Office	9562042	February 7, 2017
‌ US Patent 7485755 Acid addition salt of carbasugar amine derivative	Patent 7485755 was granted and assigned to Seikagaku on February, 2009 by the United States Patent and Trademark Office.		‌ Seikagaku	United States Patent and Trademark Office	7485755	February 3, 2009
‌ US Patent 9896708 Heparosan-glucuronic acid-5-epimerase, and method for producing polysaccharide using same	Patent 9896708 was granted and assigned to Seikagaku on February, 2018 by the United States Patent and Trademark Office.	‌ Seikagaku	‌ Seikagaku	United States Patent and Trademark Office	9896708	February 20, 2018
‌ US Patent 8211945 Carba-sugar amine derivative and glycolipid metabolic disorder treating agent containing the same as active ingredient	Patent 8211945 was granted and assigned to Seikagaku on July, 2012 by the United States Patent and Trademark Office.		‌ Seikagaku	United States Patent and Trademark Office	8211945	July 3, 2012
‌ US Patent 8969319 Agent for applying to mucosa and method for the production thereof	Patent 8969319 was granted and assigned to Seikagaku on March, 2015 by the United States Patent and Trademark Office.		‌ Seikagaku	United States Patent and Trademark Office	8969319	March 3, 2015
‌ US Patent 10294195 Diamine crosslinking agents, crosslinked acidic polysaccharides and medical materials	Patent 10294195 was granted and assigned to Seikagaku on May, 2019 by the United States Patent and Trademark Office.	‌ Seikagaku	‌ Seikagaku	United States Patent and Trademark Office	10294195	May 21, 2019

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