Inventor · disambiguated record
Fumio Maruta
Also filed as: MARUTA FUMIO
10 granted patents·243 citations·filing 1980–1989
91Inventor score
Top patents by PatentIndex Score
10 records- 0195US4880687AMagnetic recording mediumTDK CORP·Filed 1987·Granted Nov 14, 1989·59 cites·10 claims
- 0292US4816334AMagnetic recording mediumTDK CORP·Filed 1987·Granted Mar 28, 1989·49 cites·2 claims
- 0390US4889767AMagnetic recording mediumTDK CORP·Filed 1987·Granted Dec 26, 1989·41 cites·39 claims
- 0486US5069967AMagnetic recording mediumTDK CORP·Filed 1989·Granted Dec 3, 1991·26 cites·14 claims
- 0581US5080971AMagnetic recording mediumTDK CORP·Filed 1989·Granted Jan 14, 1992·20 cites·14 claims
- 0677US4387136AMagnetic recording medium and apparatus for preparing the sameTDK ELECTRONICS CO LTD·Filed 1981·Granted Jun 7, 1983·19 cites·1 claims
- 0760US4371590AMagnetic recording medium with stepwise orientation of deposited metallic particlesTDK ELECTRONICS CO LTD·Filed 1980·Granted Feb 1, 1983·17 cites·5 claims
- 0842US4400444AMagnetic recording media and process of producing themTDK ELECTRONICS CO LTD·Filed 1982·Granted Aug 23, 1983·4 cites·3 claims
- 0935US4452864AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1982·Granted Jun 5, 1984·4 cites·8 claims
- 1032US4302510AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1980·Granted Nov 24, 1981·4 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →