Inventor · disambiguated record
Hirotsugu Murashima
Also filed as: MURASHIMA HIROTSUGU
17 granted patents·1 pending application·385 citations·filing 1987–2012
95Inventor score
Top patents by PatentIndex Score
18 records- 0181US4903134AAutomatic focusing circuit for automatically matching focus in response to video signal and zoom positionSANYO ELECTRIC CO·Filed 1988·Granted Feb 20, 1990·37 cites·15 claims
- 0280US5249058AApparatus for automatically focusing a camera lensSANYO ELECTRIC CO·Filed 1993·Granted Sep 28, 1993·51 cites·2 claims
- 0380US4922346AAutomatic focusing apparatus having a variable focusing speed and particularly suited for use with interlaced scanningSANYO ELECTRIC CO·Filed 1988·Granted May 1, 1990·39 cites·22 claims
- 0479US4853788AAutomatic focusing circuit selectively using multiple focus evaluating curves having differing characteristicsSANYO ELECTRIC CO·Filed 1988·Granted Aug 1, 1989·37 cites·13 claims
- 0578US4841370AAutomatic focusing circuit for automatically matching focus in response to video signalSANYO ELECTRIC CO·Filed 1987·Granted Jun 20, 1989·34 cites·18 claims
- 0674US8952663B2Battery charge and discharge control apparatus and method for controlling battery charge and dischargeOKUDA YASUO·Filed 2012·Granted Feb 10, 2015·7 cites·10 claims
- 0771US4967279AAutomatic focusing circuitMURASHIMA HIROTSUGU·Filed 1987·Granted Oct 30, 1990·28 cites·38 claims
- 0870US6014494AMethod of recording image dataSANYO ELECTRIC CO·Filed 1997·Granted Jan 11, 2000·25 cites·9 claims
- 0969US6192186B1Method and apparatus for providing/reproducing MPEG dataSANYO ELECTRIC CO·Filed 1998·Granted Feb 20, 2001·42 cites·7 claims
- 1067US4987491AJitter compensation circuit for processing jitter components of reproduced video signalSANYO ELECTRIC CO·Filed 1990·Granted Jan 22, 1991·29 cites·9 claims
- 1163US9225188B2Charging systemSUYAMA ATSUSHI·Filed 2011·Granted Dec 29, 2015·2 cites·5 claims
- 1263US7139315B2Apparatus and process for decoding motion picturesSANYO ELECTRIC CO·Filed 2004·Granted Nov 21, 2006·6 cites·10 claims
- 1361US4853789AAutomatic focusing circuit using a two period detection interval to compensate for motion occurring within a field of viewSANYO ELECTRIC CO·Filed 1988·Granted Aug 1, 1989·17 cites·18 claims
- 1457US8156521B2ReceiverIKEGUCHI YASUYUKI·Filed 2005·Granted Apr 10, 2012·2 cites·12 claims
- 1547US5331411AIntegrated circuit for processing digital signals in video camera having electronic zooming functionSANYO ELECTRIC CO·Filed 1991·Granted Jul 19, 1994·12 cites·16 claims
- 1647US5140408AColor component signal converting apparatus having an input dependent switchable matrixSANYO ELECTRIC CO·Filed 1990·Granted Aug 18, 1992·12 cites·10 claims
- 1740US2012319650A1Recharging systemIWASAKI TOSHIYA·Filed 2011·Application pending·0 cites
- 1832US5715358AMethod for recording at least two picture signals and method of reproduction at least two picture signalsSANYO ELECTRIC CO·Filed 1996·Granted Feb 3, 1998·5 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Hirotsugu Murashima 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 →