BROWN DOUGLAS G has a total of 12 patent applications. Its first patent ever was published in 1996. It filed its patents most often in United States, Australia and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets audio-visual technology and telecommunications are LUMA TELECOM INC, EXFAX TECH PTY LTD and SHANGHAI PUKKA SOFTWARE TECHNOLOGY CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 6 | |
#2 | Australia | 2 | |
#3 | WIPO (World Intellectual Property Organization) | 2 | |
#4 | Brazil | 1 | |
#5 | Canada | 1 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Telecommunications |
# | Technology | |
---|---|---|
#1 | Television | |
#2 | Telephonic communication |
# | Name | Total Patents |
---|---|---|
#1 | Schultheiss Christopher J | 12 |
#2 | Cutler Todd D | 6 |
#3 | Clark Jerry R | 3 |
#4 | Monaco Lawrence D | 3 |
#5 | Sunkavalli Sreekrishna V | 2 |
#6 | Mccafferty Michael A | 2 |
Publication | Filing date | Title |
---|---|---|
WO0045601A1 | Methods and systems for providing information to set-top boxes having set-top box identifiers using frequency shift keying modulation | |
US6189148B1 | Methods and circuits using frequency shift keying modulation to transfer data over transmission lines simultaneous with television signals | |
US6545722B1 | Methods and systems for providing television related services via a networked personal computer | |
US6151490A | Methods and systems for providing audio and video telephone communications using a personal computer and a television | |
US6208384B1 | Methods and systems for providing information to a television using a personal computer |