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KEYSTONE SEMICONDUCTOR INC

Overview
  • Total Patents
    15
About

KEYSTONE SEMICONDUCTOR INC has a total of 15 patent applications. Its first patent ever was published in 2005. It filed its patents most often in WIPO (World Intellectual Property Organization), EPO (European Patent Office) and China. Its main competitors in its focus markets basic communication technologies, semiconductors and telecommunications are CHERN CHAN-HONG, HME BEIJING TECH CO LTD and SEIKO NPC CORP.

Patent filings in countries

World map showing KEYSTONE SEMICONDUCTOR INCs patent filings in countries
# Country Total Patents
#1 WIPO (World Intellectual Property Organization) 5
#2 EPO (European Patent Office) 4
#3 China 3
#4 United States 3

Patent filings per year

Chart showing KEYSTONE SEMICONDUCTOR INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lin Wen T 8
#2 Lin Went T 5

Latest patents

Publication Filing date Title
US2008175045A1 Depletion-mode MOSFET circuit and applications
EP2287909A2 Depletion-mode MOSFET circuits and applications
WO2008064027A2 Fast locking feedback control loop
WO2008039986A2 Spread spectrum clock generator using arrival locked loop technology
WO2007059488A2 Data clock recovery system using digital arrival-time detector
US2009135885A1 Non-linear feedback control loops as spread spectrum clock generator
WO2006122094A2 Arrival-time locked loop
CN101213750A Arrival-time locked loop
US2008150588A1 System and method of detecting a phase, a frequency and an arrival-time difference between signals