DIGITAL D J INC has a total of 29 patent applications. Its first patent ever was published in 1993. It filed its patents most often in WIPO (World Intellectual Property Organization), Australia and EPO (European Patent Office). Its main competitors in its focus markets telecommunications, optics and basic communication technologies are WORTHY DAVID G, TOKYO FM BROADCASTING CO LTD and VIDEO RESEARCH KK.
# | Country | Total Patents | |
---|---|---|---|
#1 | WIPO (World Intellectual Property Organization) | 8 | |
#2 | Australia | 7 | |
#3 | EPO (European Patent Office) | 4 | |
#4 | Indonesia | 4 | |
#5 | United States | 4 | |
#6 | Canada | 1 | |
#7 | China | 1 |
# | Industry | |
---|---|---|
#1 | Telecommunications | |
#2 | Optics | |
#3 | Basic communication technologies | |
#4 | Semiconductors | |
#5 | Environmental technology | |
#6 | Digital networks |
# | Name | Total Patents |
---|---|---|
#1 | Takahisa Tsutomu | 21 |
#2 | Hasegawa Koyo | 19 |
#3 | Takahisa Tsutomo | 6 |
#4 | Takashima Satoru | 4 |
#5 | Iida Motohisa | 3 |
#6 | Allen Lucille | 3 |
#7 | Moore Philip | 2 |
#8 | Tsutomo Takahisa | 1 |
#9 | Takahisa Tsutumo | 1 |
Publication | Filing date | Title |
---|---|---|
AU3077697A | Liquid crystal display device with integrated solar power source and antenna | |
AU3211597A | Method and apparatus for communicating information using a data tuner | |
AU3057997A | Data broadcast system with multiple-tuner receiver | |
AU2205297A | Subcarrier injection system and method using adaptive level-shifted minimum shift keying | |
AU2076197A | Broadcast system using adaptive data structure | |
CN1188575A | Broadcast system with associated data transmission capabilities | |
US5577266A | Broadcast system with associated data capabilities | |
US5579537A | Broadcast system with associated data capabilities | |
US5491838A | Broadcast system with associated data capabilities |