Inventor · disambiguated record
Masayuki Tsushima
Also filed as: TSUSHIMA MASAYUKI
2 granted patents·30 citations·filing 1988–1989
61Inventor score
Technology areasH04M
Files withTANDY ELECTRONICS JAPAN LTD2
Top patents by PatentIndex Score
2 records- 0152US5063589AAutomatic telephone answering machine with ring signal responsive mode changing arrangementTANDY ELECTRONICS JAPAN LTD·Filed 1989·Granted Nov 5, 1991·19 cites·1 claims
- 0241US5010567ARecorder control apparatus for automatic telephone answering systemTANDY ELECTRONICS JAPAN LTD·Filed 1988·Granted Apr 23, 1991·11 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →