Assignee
HIRATA YOSHIMUTSU
3 granted patents·194 citations·filing 1974–1979
Top patents by PatentIndex Score
3 records- 0194US3991277AFrequency division multiplex system using comb filtersHIRATA YOSHIMUTSU·Filed 1974·Granted Nov 9, 1976·156 cites·15 claims
- 0283US4258314ANonlinear distortion measurement using composite pulse waveformHIRATA YOSHIMUTSU·Filed 1979·Granted Mar 24, 1981·24 cites·28 claims
- 0361US4099030ASpeech signal processor using comb filterHIRATA YOSHIMUTSU·Filed 1977·Granted Jul 4, 1978·14 cites·28 claims
Join the waitlist — get patent alerts
Get an alert when HIRATA YOSHIMUTSU files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →