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OKI TELECOM

Overview
  • Total Patents
    22
About

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.

Patent filings per year

Chart showing OKI TELECOMs patent filings per year from 1900 to 2020

Top inventors

# 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

Latest patents

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