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FUJITSU QUANTUM DEVICES LTD

Overview
  • Total Patents
    258
About

FUJITSU QUANTUM DEVICES LTD has a total of 258 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Japan, United States and Taiwan. Its main competitors in its focus markets semiconductors, optics and basic communication technologies are SHANXI FEIHONG MICRO NANO PHOTOELECTRONICS SCIENCE & TECH CO LTD, QUANZHOU SANAN SEMICONDUCTOR TECH CO LTD and SHURAI KAGI KOFUN YUGENKOSHI.

Patent filings in countries

World map showing FUJITSU QUANTUM DEVICES LTDs patent filings in countries
# Country Total Patents
#1 Japan 105
#2 United States 105
#3 Taiwan 35
#4 EPO (European Patent Office) 9
#5 Canada 2
#6 China 2

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Baba Osamu 36
#2 Mimino Yutaka 29
#3 Aoki Yoshio 26
#4 Ono Haruyoshi 17
#5 Gotoh Muneharu 17
#6 Miyazawa Naoyuki 15
#7 Matsuda Hajime 12
#8 Anayama Chikashi 11
#9 Watanabe Takayuki 10
#10 Baba Isao 10

Latest patents

Publication Filing date Title
JP2004111762A Semiconductor light receiving device
JP2004111763A Semiconductor light receiving device
JP2004112178A Transmission line and device including the same
JP2004102160A Light modulator and its manufacturing method
JP2004093914A Optical multilayered film and optical semiconductor device having the same
JP2004096441A Switching circuit, switching module, and control method therefor
JP2004055579A Field effect transistor and method of manufacturing same
JP2004047589A Optical communication module, wavelength locker module, its set value aquisition equipment and method, its program, and recording medium recorded with its program
JP2004040259A Directional coupler and electronic apparatus employing the same
JP2004031450A Laser apparatus, and its control apparatus and control method
JP2004028645A Optical device measuring apparatus and light receiving unit for measuring optical device
JP2003032046A Microwave frequency multiplier
JP2003298165A Optical semiconductor device and its manufacturing method
JP2003297854A Semiconductor device and manufacturing method therefor
JP2003298175A Optical semiconductor device and its controlling method and optical module
JP2003297926A Interdigital capacitor and method for adjusting its capacity
JP2003297927A Device having interdigital capacitor
JP2003298305A High-frequency switch and electronic device using the same
JP2003297852A Semiconductor device and manufacturing method therefor
JP2003282583A Heterojunction bipolar transistor