Umezaki; Junichi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Umezaki; Junichi.The latest application filed is for "semiconductor light-emitting device and manufacturing method thereof".

Company Profile

0.10.3

Umezaki; Junichi - Aichi JP
Umezaki; Junichi - Aichi-ken JP
Umezaki; Junichi - Inuyama-shi Aichi-ken 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
Semiconductor light-emitting device and manufacturing method thereof Grant 6,821,800 - Koide , et al. November 23, 2	2004-11-23
Semiconductor light-emitting device and manufacturing method thereof App 20030124789 - Koide, Norikatsu ; et al.	2003-07-03
Semiconductor light-emitting device and manufacturing method thereof Grant 6,541,293 - Koide , et al. April 1, 2	2003-04-01
Semiconductor light-emitting device and manufacturing method thereof App 20020146854 - Koide, Norikatsu ; et al.	2002-10-10
Semiconductor light-emitting device and manufacturing method thereof Grant 6,420,733 - Koide , et al. July 16, 2	2002-07-16
Semiconductor light-emitting device and manufacturing method thereof App 20010048112 - Koide, Norikatsu ; et al.	2001-12-06
Semiconductor light-emitting device and manufacturing method thereof Grant 6,326,236 - Koide , et al. December 4, 2	2001-12-04
Methods and devices related to electrodes for p-type group III nitride compound semiconductors Grant 6,121,127 - Shibata , et al. September 19, 2	2000-09-19
Semiconductor light-emitting device Grant 6,040,588 - Koide , et al. March 21, 2	2000-03-21
Electrodes for p-type group III nitride compound semiconductors Grant 6,008,539 - Shibata , et al. December 28, 1	1999-12-28
Light-emitting semiconductor device using gallium nitride compound Grant 5,862,167 - Sassa , et al. January 19, 1	1999-01-19
Light-emitting semiconductor device using a Group III nitride compound and having a contact layer upon which an electrode is formed Grant 5,753,939 - Sassa , et al. May 19, 1	1998-05-19
Light-emitting semiconductor device using group III nitrogen compound Grant 5,587,593 - Koide , et al. December 24, 1	1996-12-24

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.