Assignee
SHINANO KIKAKU CO LTD
JP·5 granted patents·81 citations·filing 1978–1988
Top patents by PatentIndex Score
5 records- 0176US4475129ANon-copiable videotape recording systemSHINANO KIKAKU CO LTD·Filed 1982·Granted Oct 2, 1984·35 cites·6 claims
- 0268US4888649ANoncopiably recorded videotape and noncopiably videotape-recording systemSHINANO KIKAKU CO LTD·Filed 1988·Granted Dec 19, 1989·29 cites·4 claims
- 0347US4245404AAudio-visual teaching machineSHINANO KIKAKU CO LTD·Filed 1979·Granted Jan 20, 1981·10 cites·5 claims
- 0430US4169669AFilm winding device for slide projectorsSHINANO KIKAKU CO LTD·Filed 1978·Granted Oct 2, 1979·0 cites·8 claims
- 0527US4426135ALens attchment for forming wide-ranging imagesSHINANO KIKAKU CO LTD·Filed 1979·Granted Jan 17, 1984·7 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →