Inventor

Han Seung Koo

Inventor
Daejeon, KR

Overview

19→
Patents
2009–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 19 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication41%
H04NPictorial communication, e.g. television27%
G06FElectric digital data processing14%
H04BTransmission8%
H04HBroadcast communication5%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%
H04JMultiplex communication3%
PatentTitleYear
10,515,194Key rotation scheme for DRM system in dash-based media service201910,411,900Control word protection method for conditional access system20199,154,293'Method and apparatus for compensating for variable symbol timing using cyclic prefix in non-synchronized OFDM system'20159,027,071'Method and apparatus for inserting broadcast program by detecting available channel over hybrid fiber coax network or optical cable network'20158,949,595'Mutual authentication apparatus and method in downloadable conditional access system'20158,861,361'Apparatus and method for fast load balancing bandwidth allocation based on binary search'20148,789,088'Method and apparatus for remotely installing and updating different security clients for broadcasting or communication channels'20148,644,505'Remote entitlement processing module integration processing device and method'20148,621,218'Method and apparatus for mutual authentication in downloadable conditional access system'20138,583,930'Downloadable conditional access system, secure micro, and transport processor, and security authentication method using the same'20138,533,458'Headend system for downloadable conditional access service and method of operating the same'20138,401,040'Apparatus and method for transforming cable channel'20138,190,887'Cable network system and method for controlling security in cable network encrypted dynamic multicast session'20128,032,926'Method of configuring hierarchical network of user group and resource group and key distribution center'20118,019,300'Multi-channel tuning receiver and multi-channel tuning method thereof'20117,970,005'Channel bonding receiving apparatus and method for expanding channel bonding receiving band'20117,739,518'Method for securing DOCSIS cable modem against physical security attacks'20107,669,224'ONU and method for converting/combining frequency, and apparatus and method for converting/combining frequency in CATV headend system'20107,570,763'Method for subscribing service and distributing encryption key based on public-key encryption algorithm in digital CATV system'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2015Patents assigned to KOREA ELECTRONICS TELECOMM (16)· patent assignee history
2009–2013Based in Daejon, KR· patent location history
2011–2019Based in Daejeon, KR· patent location history
2012–2015Patents assigned to KOO HAN SEUNG (6)· patent assignee history
2012–2015Patents assigned to KWON O HYUNG (4)· patent assignee history
2012–2015Patents assigned to LEE SOO IN (4)· patent assignee history
2013–2015Patents assigned to JEONG YOUNG HO (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOREA ELECTRONICS TELECOMM162009–2015
KOO HAN SEUNGself62012–2015
KWON O HYUNG42012–2015
LEE SOO IN42012–2015
JEONG YOUNG HO32013–2015
Locations
LocationPatentsSpan
Daejeon, KR142011–2019
Daejon, KR52009–2013