OKI TELECOM has a total of 22 patent applications. Its first patent ever was published in 1992. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets telecommunications, basic communication technologies and digital networks are SIEMENS INFORMATION AND COMM P, KOREA TELECOM FREETEL CO LTD and WIRELESS EXTENDERS INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 | |
#2 | WIPO (World Intellectual Property Organization) | 5 | |
#3 | Australia | 4 | |
#4 | China | 1 | |
#5 | EPO (European Patent Office) | 1 |
# | Industry | |
---|---|---|
#1 | Telecommunications | |
#2 | Basic communication technologies | |
#3 | Digital networks | |
#4 | Measurement | |
#5 | Machines |
# | Name | Total Patents |
---|---|---|
#1 | De Loe Jr John P | 5 |
#2 | Li Kaiping | 4 |
#3 | Witter Robert C | 4 |
#4 | Barber Clifton J | 3 |
#5 | Bain Richard I | 2 |
#6 | Li Ben | 2 |
#7 | Tokuyama Katsumi | 2 |
#8 | Arakawa Kunio | 2 |
#9 | Lyall Robert L Jr | 2 |
#10 | Hardin Stephen T | 2 |
Publication | Filing date | Title |
---|---|---|
WO9727697A1 | Portable telephone with terminal mode facility | |
WO9615614A1 | Independent volume control for multi-system radio telephone | |
US5627835A | Artificial window size interrupt reduction system for CDMA receiver | |
US5603113A | Automatic gain control circuit for both receiver and transmitter adjustable amplifiers including a linear signal level detector with DC blocking, DC adding, and AC removing components | |
US5537410A | Subsequent frame variable data rate indication method | |
US5488332A | Reversed phase-locked loop | |
US5893030A | Dual-function double balanced mixer circuit | |
US5442806A | Preferred carrier selection method for selecting any available cellular carrier frequency when neither home nor preferred cellular carrier frequencies are available |