Inventor · disambiguated record
Katsunari Sonoda
Also filed as: SONODA KATSUNARI
4 granted patents·4 citations·filing 1999–2008
58Inventor score
Files withALPS ELECTRIC CO LTD4
Top patents by PatentIndex Score
4 records- 0136US7488118B2Optical coupling element and optical coupling unitALPS ELECTRIC CO LTD·Filed 2008·Granted Feb 10, 2009·0 cites·10 claims
- 0235US6188541B1Magnetic recording-reproducing deviceALPS ELECTRIC CO LTD·Filed 1999·Granted Feb 13, 2001·4 cites·5 claims
- 0327US6233112B1Magnetic recording/regenerating apparatusALPS ELECTRIC CO LTD·Filed 1999·Granted May 15, 2001·0 cites·6 claims
- 0427US6233113B1Magnetic recording/regenerating apparatusALPS ELECTRIC CO LTD·Filed 1999·Granted May 15, 2001·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →