Cha; Kwang-Hwan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cha; Kwang-Hwan.The latest application filed is for "input device with wireless headset function for portable terminal".
- Cha; Kwang-Hwan - Gyeonggi-do KR
- Cha; Kwang-Hwan - Suwon-si KR
- Cha; Kwang-hwan - Suwon KR
- Cha, Kwang-Hwan - Suwon-city KR
| Patent | Date |
|---|---|
| Input device with wireless headset function for portable terminal Grant 9,397,716 - Cha , et al. July 19, 2 | 2016-07-19 |
| Input Device With Wireless Headset Function For Portable Terminal App 20140038525 - CHA; Kwang-Hwan ; et al. | 2014-02-06 |
| Antenna assembly for portable terminal Grant 7,609,214 - Cha , et al. October 27, 2 | 2009-10-27 |
| Antenna Assembly For Portable Terminal App 20080117109 - CHA; Kwang-Hwan ; et al. | 2008-05-22 |
| Planar antenna for wireless communication device and portable computer using the same Grant 7,199,756 - Cha , et al. April 3, 2 | 2007-04-03 |
| Detachable antenna device for portable terminal App 20060164323 - Cha; Kwang-Hwan | 2006-07-27 |
| Keyboard of a personal digital assistant Grant 6,976,799 - Kim , et al. December 20, 2 | 2005-12-20 |
| Planar antenna for wireless communication device and portable computer using the same App 20040097270 - Cha, Kwang-Hwan ; et al. | 2004-05-20 |
| Keyboard of a personal digital assistant App 20040005184 - Kim, Young-ki ; et al. | 2004-01-08 |
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.
| 