Inventor · disambiguated record
Takashi Osa
Also filed as: OSA TAKASHI
6 granted patents·1 pending application·266 citations·filing 1989–2003
87Inventor score
Top patents by PatentIndex Score
7 records- 0179US5339293AWatch with hands for multiple time displaysCITIZEN WATCH CO LTD·Filed 1992·Granted Aug 16, 1994·64 cites·5 claims
- 0274US5237544AAnalog world watchCITIZEN WATCH CO LTD·Filed 1990·Granted Aug 17, 1993·41 cites·12 claims
- 0366US7400556B2Electronic timepiece with solar cellCITIZEN WATCH CO LTD·Filed 2003·Granted Jul 15, 2008·10 cites·17 claims
- 0461US5195062ADisplay deviceCITIZEN WATCH CO LTD·Filed 1989·Granted Mar 16, 1993·23 cites·6 claims
- 0559US5743269ACardiotachometerCITIZEN WATCH CO LTD·Filed 1996·Granted Apr 28, 1998·106 cites·8 claims
- 0657US6593901B1Electronic deviceCITIZEN WATCH CO LTD·Filed 1999·Granted Jul 15, 2003·22 cites·14 claims
- 0742US2006050618A1Electronic timepiece with solar cellOSA TAKASHI·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →