Inventor · disambiguated record
Keiko Kanetsuka
Also filed as: KANETSUKA KEIKO
3 granted patents·5 citations·filing 1991–1993
53Inventor score
Technology areasG11B
Files withSONY CORP3
Top patents by PatentIndex Score
3 records- 0139US5223990AData recording apparatusSONY CORP·Filed 1991·Granted Jun 29, 1993·5 cites·5 claims
- 0226US5901005AMagnetic recording and reproducing apparatus having a drum preamplifier with improved S/N and dynamic rangeSONY CORP·Filed 1993·Granted May 4, 1999·0 cites·4 claims
- 0325US5636074ARecording signal amplifier apparatusSONY CORP·Filed 1991·Granted Jun 3, 1997·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →