Inventor · disambiguated record
Yoshichika Hirao
Also filed as: HIRAO YOSHICHIKA
12 granted patents·140 citations·filing 1988–2005
91Inventor score
Files withSANYO ELECTRIC CO12
Top patents by PatentIndex Score
12 records- 0183US6843569B2Projection type display deviceSANYO ELECTRIC CO·Filed 2002·Granted Jan 18, 2005·26 cites·2 claims
- 0282US7384157B2Projection type video displaySANYO ELECTRIC CO·Filed 2005·Granted Jun 10, 2008·9 cites·3 claims
- 0378US4996596APhase synchronizing circuit in video signal receiver and method of establishing phase synchronizationSANYO ELECTRIC CO·Filed 1989·Granted Feb 26, 1991·34 cites·15 claims
- 0475US6709111B2Cooling fan controller and liquid crystal projectorSANYO ELECTRIC CO·Filed 2002·Granted Mar 23, 2004·29 cites·4 claims
- 0565US6587139B1Device for measuring period of synchronizing signal and display deviceSANYO ELECTRIC CO·Filed 2000·Granted Jul 1, 2003·9 cites·4 claims
- 0662US7370980B2Projection type video displaySANYO ELECTRIC CO·Filed 2004·Granted May 13, 2008·5 cites·6 claims
- 0758US7156524B2Projection type video display and method of adjusting the same at factory shippingSANYO ELECTRIC CO·Filed 2004·Granted Jan 2, 2007·4 cites·9 claims
- 0842US4999707ASynchronizing signal separating circuit separating synchronizing signal from a composite video signalSANYO ELECTRIC CO·Filed 1990·Granted Mar 12, 1991·8 cites·14 claims
- 0939US5351091ABurst phase correcting circuitSANYO ELECTRIC CO·Filed 1993·Granted Sep 27, 1994·6 cites·13 claims
- 1035US4942314APeak holding circuit for a color television receiverSANYO ELECTRIC CO·Filed 1988·Granted Jul 17, 1990·4 cites·6 claims
- 1135US4910771ATelevision signal converterSANYO ELECTRIC CO·Filed 1989·Granted Mar 20, 1990·4 cites·7 claims
- 1228US5153714ACircuit for removing jitter of chrominance signal and television set using the sameSANYO ELECTRIC CO·Filed 1990·Granted Oct 6, 1992·2 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →