Izumi; Sawa

Patent Applications and Registrations

Patent applications and USPTO patent grants for Izumi; Sawa.The latest application filed is for "compound having an indolocarbazole ring structure and organic electroluminescent device".

Company Profile

0.8.8

Izumi; Sawa - Tokyo JP
Izumi; Sawa - Tsukuba N/A JP
Izumi; Sawa - Ibaraki JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Compound having an indolocarbazole ring structure and organic electroluminescent device Grant 9,564,600 - Yokoyama , et al. February 7, 2	2017-02-07
Compound Having An Indolocarbazole Ring Structure And Organic Electroluminescent Device App 20140124756 - Yokoyama; Norimasa ; et al.	2014-05-08
Compound having pyridoindole ring structure bonded with substituted pyridyl group, and organic electroluminescent device Grant 8,624,228 - Yokoyama , et al. January 7, 2	2014-01-07
Compound Having Substituted Anthracene Ring Structure And Pyridoindole Ring Structure And Organic Electroluminescence Device App 20130341604 - YOKOYAMA; Norimasa ; et al.	2013-12-26
Compound having substituted anthracene ring structure and pyridoindole ring structure and organic electroluminescence device Grant 8,586,210 - Yokoyama , et al. November 19, 2	2013-11-19
Compound Having Carbazole Ring Structure, And Organic Electroluminescent Device App 20130112950 - Yokoyama; Norimasa ; et al.	2013-05-09
Compound having substituted pyridyl group and pyridoindole ring structure linked through phenylene group, and organic electroluminescent device Grant 8,377,573 - Yokoyama , et al. February 19, 2	2013-02-19
Compound Having Substituted Anthracene Ring Structure And Pyridoindole Ring Structure And Organic Electroluminescence Device App 20110175079 - Yokoyama; Norimasa ; et al.	2011-07-21
Compound Having Substituted Pyridyl Group And Pyridoindole Ring Structure Linked Through Phenylene Group, And Organic Electroluminescent Device App 20110006291 - Yokoyama; Norimasa ; et al.	2011-01-13
Compound Having Pyridoindole Ring Structure Bonded With Substituted Pyridyl Group, And Organic Electroluminescent Device App 20100308322 - Yokoyama; Norimasa ; et al.	2010-12-09

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.