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MATSUSHITA ELECTRIC WORKS R &

Overview
  • Total Patents
    22
About

MATSUSHITA ELECTRIC WORKS R & has a total of 22 patent applications. Its first patent ever was published in 1994. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy, environmental technology and machines are SHANGHAI HONGYUAN LIGHTING & E, DIABLO RESEARCH CORP and TOSHIBA LI TECH CO LTD.

Patent filings in countries

World map showing MATSUSHITA ELECTRIC WORKS R &s patent filings in countries
# Country Total Patents
#1 United States 21
#2 Canada 1

Patent filings per year

Chart showing MATSUSHITA ELECTRIC WORKS R &s patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Maya Jakob 10
#2 Sun Yiyoung 4
#3 Weng Da Feng 3
#4 Uchihashi Kiyoaki 2
#5 Barbuto Dominic 2
#6 Ravi Jagannathan 2
#7 Yamauchi Tokushi 2
#8 Nandam Pradeep Kumar 1
#9 Gallagher Alan C 1
#10 Popov Oleg A 1

Latest patents

Publication Filing date Title
US2003234714A1 Winding device and method for manufacturing the same
US6448720B1 Driving a hid lamp
US6380694B1 Variable structure circuit topology for HID lamp electronic ballasts
US6366020B1 Universal operating DC ceramic metal halide lamp
US6144172A Method and driving circuit for HID lamp electronic ballast
US6020691A Driving circuit for high intensity discharge lamp electronic ballast
US5986901A Power factor correction circuit for a power supply
US6121730A Metal hydrides lamp and fill for the same
US6081070A High-frequency electrodeless fluorescent lamp
US6034489A Electronic ballast circuit
US5959410A Charge pump power factor correction circuit for power supply for gas discharge lamp
US5932976A Discharge lamp driving
US5637965A Low pressure sodium-mercury lamp yielding substantially white light
US5834904A Means for suppressing electromagnetic interference from RF-excited light sources
US5990624A Color sulfur lamp including means for intercepting and re-mitting light of a desired spectral distribution
US5690421A Display lighting with matched narrow band filter and light source
US5592052A Variable color temperature fluorescent lamp
US5541477A Self ballasted compact fluorescent lamp
US5500574A Inductively coupled substantially flat fluorescent light source
US5455484A Adapter for simultaneously powering multiple compact fluorescent lamps utilizing an electronic ballast circuit