Inventor · disambiguated record
Hideaki Oba
Also filed as: OBA HIDEAKI
11 granted patents·1 pending application·398 citations·filing 1982–2007
93Inventor score
Files withRICOH KK12
Top patents by PatentIndex Score
12 records- 0196US4465767AOptical information recording mediumRICOH KK·Filed 1982·Granted Aug 14, 1984·68 cites·16 claims
- 0292US4891305AOptical information recording elementRICOH KK·Filed 1988·Granted Jan 2, 1990·35 cites·15 claims
- 0391US4656121AOptical information recording mediumRICOH KK·Filed 1985·Granted Apr 7, 1987·81 cites·18 claims
- 0490US4767693AOptical information recording mediumRICOH KK·Filed 1987·Granted Aug 30, 1988·53 cites·64 claims
- 0588US4600625AOptical information recording mediumRICOH KK·Filed 1984·Granted Jul 15, 1986·31 cites·60 claims
- 0673US4714667AOptical information recording mediumRICOH KK·Filed 1985·Granted Dec 22, 1987·33 cites·9 claims
- 0772US4752554AOptical information recording mediumRICOH KK·Filed 1986·Granted Jun 21, 1988·31 cites·19 claims
- 0872US4696892AOptical information recording mediumRICOH KK·Filed 1985·Granted Sep 29, 1987·18 cites·14 claims
- 0969US4758499AOptical information recording mediumRICOH KK·Filed 1986·Granted Jul 19, 1988·16 cites·9 claims
- 1066US4477555AOptical information recording mediumRICOH KK·Filed 1982·Granted Oct 16, 1984·13 cites·13 claims
- 1163US4652514AOptical information recording mediumRICOH KK·Filed 1984·Granted Mar 24, 1987·19 cites·107 claims
- 1251US2010014394A1Write-once-read-many optical recording medium and recording method thereforRICOH KK·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →