DIGITAL RECORDING RES has a total of 12 patent applications. Its first patent ever was published in 1983. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets basic communication technologies are FOMENKO OLEG N, RONGCHENG DINGTONG ELECTRONIC INF TECHNOLOGY CO LTD and PROIZV OB ROSAVTOMATSTROM N.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 3 | |
#2 | WIPO (World Intellectual Property Organization) | 3 | |
#3 | Canada | 2 | |
#4 | EPO (European Patent Office) | 2 | |
#5 | United Kingdom | 1 | |
#6 | Netherlands | 1 |
# | Industry | |
---|---|---|
#1 | Basic communication technologies |
# | Technology | |
---|---|---|
#1 | Code conversion |
# | Name | Total Patents |
---|---|---|
#1 | Weaver Charles S | 11 |
#2 | Leblanc Robert A | 4 |
#3 | Sweeney Jr Lawrence E | 2 |
#4 | Sweeney Lawrence E Jr | 2 |
#5 | Conner Allen B Jr | 1 |
#6 | Chittenden Constance T | 1 |
Publication | Filing date | Title |
---|---|---|
EP0345608A2 | Data compression system and method with buffer control | |
US4841299A | Method and apparatus for digital encoding and decoding | |
US4535320A | Method and apparatus for digital Huffman decoding | |
US4546342A | Data compression method and apparatus |