Inventor · disambiguated record
Hisashi Sawata
Also filed as: SAWATA HISASHI
3 granted patents·32 citations·filing 1986–1990
70Inventor score
Files withNEC CORP3
Top patents by PatentIndex Score
3 records- 0151US5161141AOptical disk system having a stably driven servomechanism for a laser system for reading signal tracksNEC CORP·Filed 1990·Granted Nov 3, 1992·11 cites·5 claims
- 0250US5122718AGain/phase compensation circuit for use in servo control system of optical disk deviceNEC CORP·Filed 1990·Granted Jun 16, 1992·11 cites·6 claims
- 0344US4769613ADigitalized amplitude detection circuit for analog input signalNEC CORP·Filed 1986·Granted Sep 6, 1988·10 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →