Inventor · disambiguated record
Atsumi Hirata
Also filed as: HIRATA ATSUMI
17 granted patents·205 citations·filing 1978–2000
94Inventor score
Files withVICTOR COMPANY OF JAPAN17
Top patents by PatentIndex Score
17 records- 0183US4630231AControl program signal demodulating deviceVICTOR COMPANY OF JAPAN·Filed 1984·Granted Dec 16, 1986·27 cites·10 claims
- 0279US6745166B1Contents information recording method, contents information processing unit, contents information deciphering method, contents information deciphering unit and media thereofVICTOR COMPANY OF JAPAN·Filed 2000·Granted Jun 1, 2004·28 cites·21 claims
- 0378US4563709ARotary record having a spiral track with a video signal and two audio signals recorded thereonVICTOR COMPANY OF JAPAN·Filed 1985·Granted Jan 7, 1986·25 cites·2 claims
- 0473US4402018ASystem using a rotating medium for recording cinematographic picture imagesVICTOR COMPANY OF JAPAN·Filed 1981·Granted Aug 30, 1983·17 cites·3 claims
- 0572US4247741AReproducing transducer feeding device in a rotary recording medium reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1978·Granted Jan 27, 1981·17 cites·4 claims
- 0670US4695904AInformation signal recording disc recorded with an end signal for selectively preventing unwanted access to predetermined recorded information and disc reproducing apparatus thereforVICTOR COMPANY OF JAPAN·Filed 1985·Granted Sep 22, 1987·19 cites·11 claims
- 0768US4340907ASpecial reproducing system in an apparatus for reproducing video signals from a rotary recording mediumVICTOR COMPANY OF JAPAN·Filed 1979·Granted Jul 20, 1982·16 cites·9 claims
- 0867US4707733AInformation signal recording disc comprising a connected region formed between parallel program recorded and single program recorded regions, and reproducing apparatus thereforVICTOR COMPANY OF JAPAN·Filed 1985·Granted Nov 17, 1987·17 cites·5 claims
- 0957US4380781ADisc-shaped recording medium reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1981·Granted Apr 19, 1983·9 cites·5 claims
- 1051US4426692ARotary recording medium having an improved three frequency pickup tracking control and reproducing apparatus thereforVICTOR COMPANY OF JAPAN·Filed 1981·Granted Jan 17, 1984·7 cites·6 claims
- 1151US4380780ADisc-shaped recording medium reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1981·Granted Apr 19, 1983·7 cites·7 claims
- 1243US4439791ASlow-motion reproducing system in an apparatus for reproducing rotary recording medium with mode dependent skip pulse generator and field memoriesVICTOR COMPANY OF JAPAN·Filed 1981·Granted Mar 27, 1984·7 cites·6 claims
- 1336US4370740ARotary recording mediumVICTOR COMPANY OF JAPAN·Filed 1979·Granted Jan 25, 1983·2 cites·6 claims
- 1432US4470078APulse driven control circuit for moving a transducer across a rotary recording medium of pulses applied theretoVICTOR COMPANY OF JAPAN·Filed 1981·Granted Sep 4, 1984·4 cites·5 claims
- 1531US4428002ASpecial effects video disc reproducing system for eliminating picture flickerVICTOR COMPANY OF JAPAN·Filed 1981·Granted Jan 24, 1984·2 cites·4 claims
- 1631US4383309ADisc-shaped recording medium reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1981·Granted May 10, 1983·1 cites·7 claims
- 1729US4510532ARotary recording medium reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1983·Granted Apr 9, 1985·0 cites·6 claims
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