Inventor · disambiguated record
Seizo Ohta
Also filed as: OHTA SEIZO
5 granted patents·101 citations·filing 1987–1992
82Inventor score
Files withNEC CORP5
Top patents by PatentIndex Score
5 records- 0186USD342252STelephone setNEC CORP·Filed 1992·Granted Dec 14, 1993·29 cites·1 claims
- 0286USD298939SKey telephone set with speakerphone and visual display panelNEC CORP·Filed 1987·Granted Dec 13, 1988·25 cites·1 claims
- 0383USD345557STelephone setNEC CORP·Filed 1992·Granted Mar 29, 1994·25 cites·1 claims
- 0477USD300926SKey telephone setNEC CORP·Filed 1987·Granted May 2, 1989·17 cites·1 claims
- 0548USD298938SKey telephone set with speaker phoneNEC CORP·Filed 1987·Granted Dec 13, 1988·5 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →