Learn more

WAKO DENKEN KK

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    196,365
  • Filing trend
    ⇧ 100.0%
About

WAKO DENKEN KK has a total of 23 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 1984. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and electrical machinery and energy are WENLONG ZHANG, WUHAN LINGYUN PHOTOELECTRONIC and P S KOGYO KK.

Patent filings in countries

World map showing WAKO DENKEN KKs patent filings in countries
# Country Total Patents
#1 Japan 23

Patent filings per year

Chart showing WAKO DENKEN KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hayashi Ryuichi 17
#2 Hayashi Yasuhiko 5
#3 Nonaka Takafumi 3
#4 Takizawa Junji 3
#5 Hatsutori Shizunao 2
#6 Hattori Shizuhisa 2
#7 Bogaki Shozo 2
#8 Asakura Satoshi 1
#9 Hayashi Riyuuichi 1

Latest patents

Publication Filing date Title
JP2018198222A Protection device of power supply unit
JP2018129315A Protection device of power supply device
JP2019091585A Light emitting diode luminaire
JP2017117608A Lighting fixture
JP2017103156A Protective device for power supply unit and circuit device
JP2011210446A Led power supply circuit
JP2010161046A Led lighting device
JP2009158366A Electromagnetic induction heating apparatus
JP2008243770A Lighting fixture
JP2008073174A Mirror with illumination
JP2008016472A Constant current circuit board for driving high-output light-emitting diode
JP2007207445A Power supply device for external electrode fluorescent lamp
JP2007184113A Inverter device for external electrode fluorescent lamp
JP2007166998A Led stand for growing plant
JP2007174730A Power supply circuit
JP2006319172A Adapter device for light control of led lamp
JP2005056644A Self-excited inverter lighting device
JP2002334798A Inverter lighting device
JP2001155885A Lighting apparatus for discharge tube
JP2001023791A Inverter lighting circuit