Inventor · disambiguated record
Yoshiaki Hirao
Also filed as: HIRAO YOSHIAKI
10 granted patents·276 citations·filing 1982–1990
91Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD10
Top patents by PatentIndex Score
10 records- 0196US4591736APulse signal amplitude storage-holding apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted May 27, 1986·115 cites·4 claims
- 0279US4621292AAutomatic focusing device for a video cameraMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Nov 4, 1986·29 cites·6 claims
- 0373US4991944AZoom lens driving apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Feb 12, 1991·26 cites·6 claims
- 0472US4924317AVideo camera with an automatic focusing systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted May 8, 1990·26 cites·17 claims
- 0566US4975726AAutomatic focusing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Dec 4, 1990·22 cites·14 claims
- 0664US4673274AAutomatic focusing apparatus for cameraMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Jun 16, 1987·26 cites·19 claims
- 0752US5077613AVideo camera with automatic focusing functionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Dec 31, 1991·14 cites·6 claims
- 0840US4849813AVideo camera with high-speed scanningMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Jul 18, 1989·7 cites·19 claims
- 0939US4850692ASemiconductor light position detector for rangefinderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Jul 25, 1989·9 cites·14 claims
- 1031US4758764ALight-emitting device for automatic focus adjustment apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Jul 19, 1988·2 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Yoshiaki Hirao 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 →