Oka; Yuji

Patent Applications and Registrations

Patent applications and USPTO patent grants for Oka; Yuji.The latest application filed is for "heterocyclic compound for organic electroluminescent device and its application".

Company Profile

0.5.6

Oka; Yuji - Ayase JP
OKA; Yuji - Ayase-shi Kanagawa
Oka; Yuji - Kanagawa JP
Oka; Yuji - Osaka N/A JP
Oka; Yuji - Tokyo JP
Oka; Yuji - Hitachi JP
Oka; Yuji - Osaka-shi 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
Heterocyclic compound for organic electroluminescent device and its application Grant 9,780,310 - Oka , et al. October 3, 2	2017-10-03
Heterocyclic Compound For Organic Electroluminescent Device And Its Application App 20160056388 - OKA; Yuji ; et al.	2016-02-25
Cyclic azine compound having nitrogen-containing condensed aromatic group, method for producing same, and organic electroluminescent device comprising same as constituent component Grant 9,252,368 - Aihara , et al. February 2, 2	2016-02-02
Letterpress printing plate Grant 8,899,149 - Oka December 2, 2	2014-12-02
Cyclic Azine Compound Having Nitrogen-containing Fused Aromatic Group, Method For Producing Same, And Organic Electroluminescent Element Comprising Same As Constituent Component App 20140330013 - Aihara; Hidenori ; et al.	2014-11-06
Medical Care Support System and Method Of Supporting Medical Care App 20130103417 - Seto; Kumiko ; et al.	2013-04-25
Device for cell culture Grant 7,754,478 - Suzuki , et al. July 13, 2	2010-07-13
Letterpress printing plate App 20090145316 - Oka; Yuji	2009-06-11
Device for cell culture App 20070148764 - Suzuki; Tsutomu ; et al.	2007-06-28

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.