Assignee
OOTSU FUMIO
4 granted patents·82 citations·filing 1976–1978
Top patents by PatentIndex Score
4 records- 0172US4289425AUnderwater accumulator for pressurized gasOOTSU FUMIO·Filed 1978·Granted Sep 15, 1981·29 cites·9 claims
- 0266US4193265ATransducer for converting the energy of ocean currentsOOTSU FUMIO·Filed 1978·Granted Mar 18, 1980·21 cites·3 claims
- 0360US4060344ATransducer for conversion of sea water-energyOOTSU FUMIO·Filed 1976·Granted Nov 29, 1977·21 cites·3 claims
- 0443US4071305ATransducer for conversion of tidal current energyOOTSU FUMIO·Filed 1976·Granted Jan 31, 1978·11 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when OOTSU FUMIO 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 →