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KEYSTONE SEMICONDUCTOR CORP

Overview
  • Total Patents
    34
About

KEYSTONE SEMICONDUCTOR CORP has a total of 34 patent applications. Its first patent ever was published in 2006. It filed its patents most often in Taiwan, China and United States. Its main competitors in its focus markets digital networks, telecommunications and computer technology are WEISHENG ELECTRONIC CO LTD, ALI CORP and EVANS GREGORY M.

Patent filings in countries

World map showing KEYSTONE SEMICONDUCTOR CORPs patent filings in countries
# Country Total Patents
#1 Taiwan 16
#2 China 11
#3 United States 7

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Chang Shih-Wei 8
#2 Yang Chao-Tung 7
#3 Chou Chung-Yun 4
#4 Hung Shao-Hsuan 4
#5 Yang Chaodong 4
#6 Lin Chao-Sung 3
#7 Zhang Shiwei 3
#8 Liu Jianhong 2
#9 Hong Shaoxuan 2
#10 Zhou Zhongyun 2

Latest patents

Publication Filing date Title
TW201507344A Apparatus for signal receving and method for signal receiving
TW201432568A Updating method for audio playback firmware and audio playback device using the same
TW201433099A Digital broadcasting chipset and handheld device using the same and playing method
TW201421898A Mixer with IQ gain-phase calibration circuit
CN103840771A Frequency mixer with IQ gain phase-correcting circuit
US2014146920A1 Mixer with iq gain-phase calibration circuit
CN103812579A Receiving signal strength indicator circuit having low voltage and wide detection energy range
TW201417517A RSSI circuit with low voltage and wide detectable power range
US2014117974A1 Rssi circuit with low voltage and wide detectable power range
TW201417496A Power-supply opening reset circuit
TW201417229A Transistor layout device
TW201415805A Frequency divider and frequency synthesizer circuit with the same
TW201415799A Multi modulus frequency divider
CN103219009A Audio frequency data processing device and method thereof
CN103220058A Audio frequency data and vision data synchronizing device and method thereof
TW201330533A Time de-interleaver method for digital audio broadcasting system
TW201310936A Method for improving ensemble auto searching efficiency and device thereof
TW201237787A Shopping information flow system and method by digital radio channel and communication network
CN102111164A Digital broadcast receiving device and radio-frequency receiving and playing system for integrating display panel
TW201124958A Digital audio broadcast reciving and playback device and radio frequency receiving and playback system integrating display panel