PNF CO., LTD

Patent Applications and Registrations

Patent applications and USPTO patent grants for PNF CO., LTD.The latest application filed is for "ultrasonic wave receiver and position information input apparatus comprising same".

Company Profile

0.11.11

PNF CO., LTD - Seongnam-si, Gyeonggi-do N/A KR
PNF CO., LTD. - Belmont CA US
PNF CO., LTD. - Seongnam-Si Gyeonggi-Do KR
PNF Co., Ltd. - Seongnam-si, Gyeonggi-do KR
PNF Co., Ltd. - KR KR
PNF CO., LTD. - Seoul KR

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

Patent Activity

Patent	Date
Ultrasonic wave receiver and position information input apparatus comprising same Grant 9,836,137 - Lee December 5, 2	2017-12-05
Mobile device incorporating projector and pen-location transcription system Grant 9,471,183 - Birger , et al. October 18, 2	2016-10-18
Position measuring device and position information input system using same Grant 9,342,163 - Lee May 17, 2	2016-05-17
Ultrasonic Wave Receiver And Position Information Input Apparatus Comprising Same App 20160103507 - LEE; Jae Jun	2016-04-14
Directional ultrasound transmitting stylus Grant 9,304,611 - Ding , et al. April 5, 2	2016-04-05
Data entry device utilizing writing implement rotation Grant 9,285,899 - Harel March 15, 2	2016-03-15
Position information input system Grant 9,274,623 - Lee March 1, 2	2016-03-01
Position Information Input System App 20150138166 - LEE; Jae Jun	2015-05-21
Position Measuring Device And Position Information Input System Using Same App 20150022505 - Lee; Jae Jun	2015-01-22
Keyboard Enabling Inputting Of Position Information And Keyboard System Comprising Same App 20150015492 - Lee; Jae Jun	2015-01-15
Information Input Apparatus Using Ultrasonic Signal App 20130328836 - LEE; Jae Jun	2013-12-12
Method and apparatus for measuring position of the object using microphone Grant 8,400,877 - Ko March 19, 2	2013-03-19
Method And System For Inputting Document Information App 20110018844 - Ko; Do-Young ; et al.	2011-01-27
Method And Apparatus For Measuring Position Of The Object Using Microphone App 20100281984 - Ko; Do Young	2010-11-11

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.