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EFUTI GIKEN CO LTD

Overview
  • Total Patents
    27
About

EFUTI GIKEN CO LTD has a total of 27 patent applications. Its first patent ever was published in 1980. It filed its patents most often in Germany, Canada and EPO (European Patent Office). Its main competitors in its focus markets audio-visual technology are GIGATEK MEMORY SYSTEMS, DEUTSCHE GRAMMOPHON AG and FUARUKOA KK.

Patent filings in countries

World map showing EFUTI GIKEN CO LTDs patent filings in countries

Patent filings per year

Chart showing EFUTI GIKEN CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Kawai Tsutomu 12

Latest patents

Publication Filing date Title
EP0045325A1 A video tape recorder comprising means for receiving a magnetic tape cassette
EP0045328A1 A loading mechanism for a cassette tape recorder
DE3018293A1 Device preventing video tape friction folding - has tape drive shaft, sound control head, and erasing heads in opposite arrangement to tape discharge drive wheel
DE3018304A1 Video tape recorder with sound addition facility - has playback slider on recorder chassis with sound key slidable orthogonally to slider and with hooked switch
DE3018312A1 Video tape recorder tape application mechanism - has rotary head with peripheral, downwards extending tape guide channel and motor driven tape applicator gear
DE3018346A1 Video cassette tape recorder tape loading direction switching device - has tape applicator gear with pressure roll or pull-out pin and has drive motor with transmission gear train
DE3018348A1 FASTENING DEVICE FOR A TURN HEAD AND OTHER COMPONENTS IN A MAGNETIC TAPE VIDEO RECORDER
DE3018311A1 DEVICE FOR DETERMINING THE TAPE OF MAGNETIC TAPE PLAYERS
DE3018303A1 Video tape recorder tape application mechanism - has electromagnet actuated by playback or recording keys, which operates sliding rod with connected friction wheel
DE3018347A1 Video tape recorder tape load-unload switch mechanism - has tape application toothed ring with tape pressure roll or pull-out pin rotated by motor drive
DE3018294A1 Video tape recorder tape applicator disconnector - has applicator gear with tape pressure roll or pull-out pin and has transmission gear for drive motor and applicator gear
DE3018313A1 Compact video tape cassette recorder - has tape drive shaft, tone control head and erasing head opposite to tape unwind and wind heads
DE3018292A1 Operating key interlocks for video recorders - uses key activating mechanism to prevent fast tape feed from being selected during recording or playback modes
DE3018295A1 Video tape recorder tape transport mechanism - has both reels in cassette at same level with rotary head orthogonal to cassette and has tape pull-out pin and pressure roll
DE3018302A1 Mode switching for video recorder - uses linkage mechanism to provide changeover between fast rewind and fast feed forward
CA1163708A Video tape recorder
CA1149932A Tape anti-back-scrape device for a video tape recorder
CA1144129A Loading-drive stop mechanism for a video tape recorder
CA1161947A Device for detecting tape end of magnetic recording apparatus
CA1144130A Tape winding mechanism for a video tape recorder