Inventor · disambiguated record

Sumio Katayama

Also filed as: KATAYAMA SUMIO

2 granted patents·48 citations·filing 1992–1992

64Inventor score

Technology areasG06F

Files withMITSUMI ELECTRIC CO LTD2

Top patents by PatentIndex Score

2 records

0152US5349263APointing device suitable for miniaturizationMITSUMI ELECTRIC CO LTD·Filed 1992·Granted Sep 20, 1994·29 cites·18 claims
0242US5349370ASignal processing circuit for a pointing deviceMITSUMI ELECTRIC CO LTD·Filed 1992·Granted Sep 20, 1994·19 cites·1 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →