Inventor · disambiguated record
Hiroko Numazu
Also filed as: NUMAZU HIROKO
8 granted patents·519 citations·filing 1991–1997
91Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD8
Top patents by PatentIndex Score
8 records- 0192US5796845ASound field and sound image control apparatus and methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Aug 18, 1998·149 cites·10 claims
- 0288US5381482ASound field controllerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Jan 10, 1995·87 cites·8 claims
- 0387US5442712ASound amplifying apparatus with automatic howl-suppressing functionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Aug 15, 1995·100 cites·19 claims
- 0486US5572591ASound field controllerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Nov 5, 1996·78 cites·6 claims
- 0578US5375188AMusic/voice discriminating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Dec 20, 1994·35 cites·6 claims
- 0664US5684881ASound field and sound image control apparatus and methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Nov 4, 1997·23 cites·20 claims
- 0763US5617478ASound reproduction system and a sound reproduction methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Apr 1, 1997·38 cites·2 claims
- 0835US5233661ASound field variable apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Aug 3, 1993·9 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Hiroko Numazu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →