Seo; Chang-keun

Patent Applications and Registrations

Patent applications and USPTO patent grants for Seo; Chang-keun.The latest application filed is for "crum unit mountable in consumable unit of image forming apparatus and image forming apparatus using the same".

Company Profile

1.6.7

Seo; Chang-keun - Hwaseong-si KR
SEO; Chang Keun - Yongin-si KR
Seo; Chang Keun - Kyonggi-do KR
Seo, Chang Keun - Anyang-shi KR
Seo, Chang Keun - Seoul KR
Seo; Chang Keun - Inchon-kwangyoksi KR

*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
CRUM unit mountable in consumable unit of image forming apparatus and image forming apparatus using the same Grant 10,649,379 - Seo , et al.	2020-05-12
Crum Unit Mountable In Consumable Unit Of Image Forming Apparatus And Image Forming Apparatus Using The Same App 20170219975 - SEO; Chang-keun ; et al.	2017-08-03
CRUM unit mountable in consumable unit of image forming apparatus and image forming apparatus using the same Grant 9,658,644 - Seo , et al. May 23, 2	2017-05-23
Crum Unit Mountable In Consumable Unit Of Image Forming Apparatus And Image Forming Apparatus Using The Same App 20160098060 - SEO; Chang-keun ; et al.	2016-04-07
Data Transmission System For Wireless Local Area Network And Method Thereof App 20090046680 - SEO; Chang Keun	2009-02-19
Method of allocating radio resource Grant 6,950,659 - Seo September 27, 2	2005-09-27
Network-based dormant handoff method in mobile communication system App 20050078634 - Seo, Chang Keun	2005-04-14
Case for carrying and mounting an image system in a car App 20050072824 - Lee, Jung-Hoon ; et al.	2005-04-07
Method for transmitting control frames and user data frames in mobile radio communication system Grant 6,581,176 - Seo June 17, 2	2003-06-17
Method of allocating radio resource App 20030078046 - Seo, Chang Keun	2003-04-24
Method for controlling traffic load in mobile communication system Grant 6,469,993 - Seo , et al. October 22, 2	2002-10-22
Traffic load control for CDMA mobile communication system Grant 6,463,044 - Seo October 8, 2	2002-10-08
Data service communicaiton system and method for making data service therein App 20010021652 - Jeon, Hyo Sik ; et al.	2001-09-13

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