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OKI TELECOM INC

Overview
  • Total Patents
    33
About

OKI TELECOM INC has a total of 33 patent applications. Its first patent ever was published in 1994. It filed its patents most often in United States, Japan and Canada. Its main competitors in its focus markets telecommunications, basic communication technologies and environmental technology are CONTELA LTD, MILDH GUNNAR and CHENG STEVEN D.

Patent filings in countries

World map showing OKI TELECOM INCs patent filings in countries
# Country Total Patents
#1 United States 25
#2 Japan 5
#3 Canada 1
#4 China 1
#5 Republic of Korea 1

Patent filings per year

Chart showing OKI TELECOM INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Barber Clifton J 8
#2 Li Kaiping 6
#3 Waldroup Anthony B 4
#4 Bartle Alden S 4
#5 Bain Richard I 4
#6 Lyall Jr Robert L 4
#7 Hardin Stephen T 3
#8 Erickson George D 3
#9 Danny Stopler 2
#10 Amit Oren 2

Latest patents

Publication Filing date Title
US6230031B1 Power amplifying circuitry for wireless radio transceivers
KR20000023768A Subsequent frame variable data rate indication method for various variable data rate systems
JPH11163766A Cdma communication system
JPH11191898A Cdma communication system
JPH11163767A Cdma communication system
US6356538B1 Partial sleep system for power savings in CDMA wireless telephone devices
US6188888B1 Charging unit and wireless telephone having multi-number call forwarding capability
US6137844A Digital filter for noise and error removal in transmitted analog signals
US6310870B1 Method for transmitting high data rate information in code division multiple access systems
US6263035B1 System and method for adjusting a phase angle of a recovered data clock signal from a received data signal
US6185431B1 Mobile station closed loop output power stability system for weak signal conditions
US6236863B1 Comprehensive transmitter power control system for radio telephones
JPH10294717A Cdma modem circuit, cdma wireless telephone method, combination finger/searcher circuit and searcher circuit
CN1212533A CDMA modem with highly multiplexed dedicated searcher and at least one combination finger/searcher
US6138036A Wireless telephone with voice data interface mode
US6141353A Subsequent frame variable data rate indication method for various variable data rate systems
US6091948A One number service using mobile assisted call forwarding facilities
US6073035A System unavailablity power reduction method with early failure and no rotation
CA2260974A1 Subsequent frame variable data rate indication method for various variable data rate systems
US6198947B1 External control unit with reduced keypad integrated in voice activated vehicular telephone system with call-in-process voice-to-tones and voice to-memory conversion facilities