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FUJITSU MEDIA DEVICES LTD

Overview
  • Total Patents
    525
About

FUJITSU MEDIA DEVICES LTD has a total of 525 patent applications. Its first patent ever was published in 2000. It filed its patents most often in United States, Republic of Korea and China. Its main competitors in its focus markets basic communication technologies, semiconductors and measurement are ZHUHAI CRYSTAL RESONANCE TECH CO LTD, FUJITSU MEDIA DEVICE KK and KAIYUAN COMMUNICATION TECH XIAMEN CO LTD.

Patent filings per year

Chart showing FUJITSU MEDIA DEVICES LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ueda Masanori 122
#2 Kawachi Osamu 71
#3 Inoue Shogo 51
#4 Nishihara Tokihiro 50
#5 Matsuda Takashi 50
#6 Ishikawa Hiroshi 48
#7 Tsutsumi Jun 47
#8 Iwaki Masafumi 38
#9 Masanori Ueda 36
#10 Yokoyama Tsuyoshi 36

Latest patents

Publication Filing date Title
WO2009144784A1 Switch circuit
WO2009063561A1 Switcing power supply, control circuit controlling switching power supply and control method of switching power supply
WO2009060521A1 Switching power supply, control circuit for controlling switching power supply, control method of switching power supply and module substrate
CN101030764A Elastic boundary wave device, resonator and filter
US2008180184A1 Oscillator
US2008157892A1 Voltage controlled oscillator
US2008157890A1 Oscillator having multiple oscillation units
US2008157886A1 Oscillator for outputting different oscillation frequencies
CN1794574A Electronic device and method of fabricating the same
KR20060051681A Duplexer
CN1705227A Elastic wave apparatus
SG112100A1 Surface acoustic device
US2005110588A1 Oscillator
CN1540861A Duplexer
US6960964B2 Oscillator
US7053721B2 Oscillator having a resonant circuit and a drive circuit
CN1497846A Multimode surface acoustic wave filter device and duplexer
AU2003248124A1 Optical filter, imager, and method for manufacturing optical filter
EP1510782A1 Angular velocity sensor
KR20050062602A Micro moving element comprising torsion bar