Inventor · disambiguated record
Masaru Chijiiwa
Also filed as: CHIJIIWA MASARU
4 granted patents·101 citations·filing 1978–1990
79Inventor score
Files withPIONEER ELECTRONIC CORP4
Top patents by PatentIndex Score
4 records- 0182US4831464ASignal recording conditioning devicePIONEER ELECTRONIC CORP·Filed 1987·Granted May 16, 1989·33 cites·3 claims
- 0267US5151872AMethod and apparatus for correcting the output of an onboard vehicle terrestrial magnetism sensorPIONEER ELECTRONIC CORP·Filed 1990·Granted Sep 29, 1992·33 cites·2 claims
- 0359US4488012AMFB LoudspeakerPIONEER ELECTRONIC CORP·Filed 1983·Granted Dec 11, 1984·23 cites·18 claims
- 0444US4246446AMoving coil pick-up with coils printed on opposite sides of waverPIONEER ELECTRONIC CORP·Filed 1978·Granted Jan 20, 1981·12 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →