Inventor · disambiguated record
Hiroo Okada
Also filed as: OKADA HIROO
10 granted patents·139 citations·filing 1977–1987
90Inventor score
Top patents by PatentIndex Score
10 records- 0171US4186089AMethod and apparatus for dewatering of sludgy substanceKURITA WATER IND LTD·Filed 1978·Granted Jan 29, 1980·27 cites·8 claims
- 0268US4819220AOptical information recording and reproducing apparatusOLYMPUS OPTICAL CO·Filed 1987·Granted Apr 4, 1989·17 cites·14 claims
- 0367US4837757AOptical recording/reproducing deviceOLYMPUS OPTICAL CO·Filed 1986·Granted Jun 6, 1989·16 cites·10 claims
- 0465US4785439AOptical memory accessing and tracking apparatus with pickup and lens servoing during trackingOLYMPUS OPTICAL CO·Filed 1986·Granted Nov 15, 1988·14 cites·15 claims
- 0565US4460033AMethod for continuous casting of steelNIPPON STEEL CORP·Filed 1981·Granted Jul 17, 1984·10 cites·4 claims
- 0660US4718051AOptical beam tracking system for use in optical information recording and/or reproducing apparatusOLYMPUS OPTICAL CO·Filed 1984·Granted Jan 5, 1988·12 cites·12 claims
- 0759US4102786AMethod for cleaning of filter deviceKURITA WATER IND LTD·Filed 1977·Granted Jul 25, 1978·20 cites·6 claims
- 0857US4644514AHead drive control apparatusOLYMPUS OPTICAL CO·Filed 1984·Granted Feb 17, 1987·9 cites·6 claims
- 0951US4706234AHead feed control apparatusOLYMPUS OPTICAL CO·Filed 1986·Granted Nov 10, 1987·8 cites·7 claims
- 1044US4761773ATracking control apparatusOLYMPUS OPTICAL CO·Filed 1986·Granted Aug 2, 1988·6 cites·3 claims
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