Inventor · disambiguated record
Toshio Umemoto
Also filed as: UMEMOTO TOSHIO
8 granted patents·569 citations·filing 1977–1999
90Inventor score
Files withCITIZEN WATCH CO LTD8
Top patents by PatentIndex Score
8 records- 0195US5224059ADevice for measuring altitude and barometric pressureCITIZEN WATCH CO LTD·Filed 1991·Granted Jun 29, 1993·204 cites·20 claims
- 0295US4783772AWristwatch with pressure sensorCITIZEN WATCH CO LTD·Filed 1988·Granted Nov 8, 1988·182 cites·18 claims
- 0391US4232512ASolid state watch module constructionCITIZEN WATCH CO LTD·Filed 1977·Granted Nov 11, 1980·40 cites·12 claims
- 0479US5703837AWatch with light transmitting type display plateCITIZEN WATCH CO LTD·Filed 1995·Granted Dec 30, 1997·34 cites·21 claims
- 0578US5331608AElectronic watch with an antenna for a receiving deviceCITIZEN WATCH CO LTD·Filed 1993·Granted Jul 19, 1994·48 cites·17 claims
- 0675US5966344AWatch containing light transmitting metallic dialCITIZEN WATCH CO LTD·Filed 1997·Granted Oct 12, 1999·28 cites·18 claims
- 0773US4251604ABattery assembly for electronic timepiecesCITIZEN WATCH CO LTD·Filed 1979·Granted Feb 17, 1981·23 cites·8 claims
- 0843US6298014B1Time information management systemCITIZEN WATCH CO LTD·Filed 1999·Granted Oct 2, 2001·10 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →