Inventor · disambiguated record
Fujio Matsumoto
Also filed as: MATSUMOTO FUJIO
4 granted patents·58 citations·filing 1984–1988
77Inventor score
Files withHITACHI MAXELL4
Top patents by PatentIndex Score
4 records- 0174US4630728ADisc cartridgeHITACHI MAXELL·Filed 1984·Granted Dec 23, 1986·18 cites·7 claims
- 0265US4803584ADisk cartridge with cleaning sheet of non-woven fabricHITACHI MAXELL·Filed 1987·Granted Feb 7, 1989·16 cites·14 claims
- 0357US4709816ARecording disc cartridgeHITACHI MAXELL·Filed 1986·Granted Dec 1, 1987·17 cites·8 claims
- 0447US4897752ADisk cartridgeHITACHI MAXELL·Filed 1988·Granted Jan 30, 1990·7 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →