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OIGAWA ELECTRIC CO

Overview
  • Total Patents
    20
About

OIGAWA ELECTRIC CO has a total of 20 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan. Its main competitors in its focus markets audio-visual technology and semiconductors are RICOH MICRO ELECTRON KK, ECOCERA OPTRONICS CO LTD and ICEOTOPE GROUP LTD.

Patent filings in countries

World map showing OIGAWA ELECTRIC COs patent filings in countries
# Country Total Patents
#1 Japan 20

Patent filings per year

Chart showing OIGAWA ELECTRIC COs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Ihara Yoshikazu 11
#2 Kubo Yasuhiro 4
#3 Matsumoto Hiroyuki 3
#4 Murasawa Kou 2
#5 Sasaki Takayuki 1
#6 Amano Isamu 1
#7 Nakano Hisao 1
#8 Yada Yoshiyuki 1
#9 Izumi Kazuhiko 1
#10 Hirota Taisuke 1

Latest patents

Publication Filing date Title
JP2008082367A Intermittent feeding mechanism
JP2008078026A Method for manufacturing wedge sealed electric bulb
JP2008077931A Manufacturing method of glass bulb for electric bulb
JP2004140177A Light emitting lamp
JPH10269830A Socket for small electric lamp
JPH08180843A Manufacture of miniature lamp and miniature lamp
JPH08148130A Manufacture of small electric lamp, and small electric lamp
JPH04196048A Winding manufacture of bulb filament
JPS57182961A Method of producing miniature bulb capable of being automatically soldered
JPS5463574A Method of manufacturing bulb with lead wires welded with filament
JPS5480552A Antiitwister for wire of coil winder
JPS5270582A Method for manufacture of bulb
JPS51145182A Method of manufacturing a small discharge tube
JPS51145185A Small bulb provided with reflecting mirror surface
JPS51122975A Process for producing an electric bulb
JPS51122976A Process for producing an electric lamp