Inventor · disambiguated record
Osami Kushizaki
Also filed as: KUSHIZAKI OSAMI
4 granted patents·118 citations·filing 1985–1990
77Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0192US4730290ADefect detecting optical apparatus enabling recording in an alternate sector or trackHITACHI LTD·Filed 1986·Granted Mar 8, 1988·68 cites·10 claims
- 0280US5124967AAutomatic gain control method and apparatus in optical disk systemHITACHI LTD·Filed 1990·Granted Jun 23, 1992·41 cites·13 claims
- 0352US4726004AOptical information recording and reproducing apparatus with tracking servo systemHITACHI LTD·Filed 1985·Granted Feb 16, 1988·9 cites·24 claims
- 0428US4872153ADetecting light spot movement direction for an optical diskHITACHI LTD·Filed 1988·Granted Oct 3, 1989·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →