Tsujioka; Tsuyoshi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tsujioka; Tsuyoshi.The latest application filed is for "display including emission layer".

Company Profile

0.12.7

Tsujioka; Tsuyoshi - Osaka JP
Tsujioka, Tsuyoshi - Osaka-shi JP
Tsujioka, Tsuyoshi - Nishiimagawa 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
Organic electroluminescent device and luminescent material Grant 7,598,666 - Hamada , et al. October 6, 2	2009-10-06
Display including emission layer Grant 7,479,734 - Hamada , et al. January 20, 2	2009-01-20
Display including emission layer App 20070013299 - Hamada; Yuji ; et al.	2007-01-18
Display device with reduced deterioration of emission layer Grant 7,151,340 - Hamada , et al. December 19, 2	2006-12-19
Nonvolatile Memory And Erasing Method App 20050093045 - Tsujioka, Tsuyoshi	2005-05-05
Nonvolatile memory and erasing method Grant 6,885,053 - Tsujioka April 26, 2	2005-04-26
Organic electroluminescene device and luminance material App 20050079381 - Hamada, Yuji ; et al.	2005-04-14
Information storage device, and information storage method and information regeneration method employing the information storage device Grant 6,847,541 - Tsujioka January 25, 2	2005-01-25
Luminescent element App 20040106005 - Hamada, Yuji ; et al.	2004-06-03
Information storage device, and information storage method and information regeneration method employing the information storage device App 20030227793 - Tsujioka, Tsuyoshi	2003-12-11
Display including emission layer App 20030071563 - Hamada, Yuji ; et al.	2003-04-17
Organic electroluminescent device Grant 6,387,546 - Hamada , et al. May 14, 2	2002-05-14
Method of driving organic electroluminescence element, apparatus for driving organic electroluminescence element and display using the same App 20020041162 - Tsujioka, Tsuyoshi ; et al.	2002-04-11
Method for optically controlling an optical device and an optical control device utilizing the method Grant 5,889,751 - Tsujioka , et al. March 30, 1	1999-03-30
Optical recording medium and reproducing method therefor Grant 5,604,002 - Tsujioka , et al. February 18, 1	1997-02-18
Methods of recording and reproducing information using an optical recording medium Grant 5,592,461 - Tsujioka , et al. January 7, 1	1997-01-07
Reproducing method and reproducing apparatus for optical recording medium Grant 5,398,223 - Tsujioka , et al. March 14, 1	1995-03-14
Optical recording medium having a constant birefringent property and an alterable photochromic property Grant 5,316,900 - Tsujioka , et al. May 31, 1	1994-05-31
Optical head system with transparent contact member Grant 5,272,689 - Tsujioka , et al. December 21, 1	1993-12-21

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.