Inventor · disambiguated record
Teruhiko Fujisawa
Also filed as: FUJISAWA TERUHIKO
100 granted patents·6 pending applications·1,924 citations·filing 1991–2024
99Inventor score
Top patents by PatentIndex Score
106 records- 0197US8467272B2Timepiece with internal antennaFUJISAWA TERUHIKO·Filed 2010·Granted Jun 18, 2013·45 cites·29 claims
- 0296US8570838B2Electronic timepiece with internal antennaFUJISAWA TERUHIKO·Filed 2011·Granted Oct 29, 2013·28 cites·7 claims
- 0396US7983116B2Electronic timepiece and control method for an electronic timepieceSEIKO EPSON CORP·Filed 2009·Granted Jul 19, 2011·37 cites·8 claims
- 0496US6714233B2Mobile video telephone systemSEIKO EPSON CORP·Filed 2001·Granted Mar 30, 2004·158 cites·23 claims
- 0595US8570840B2Timepiece with internal antennaSEIKO EPSON CORP·Filed 2013·Granted Oct 29, 2013·13 cites·11 claims
- 0695US7720452B2Reception circuit, radio-controlled timepiece, and reception circuit control methodSEIKO EPSON CORP·Filed 2007·Granted May 18, 2010·37 cites·8 claims
- 0795US5757326ASlot antenna device and wireless apparatus employing the antenna deviceSEIKO EPSON CORP·Filed 1997·Granted May 26, 1998·159 cites·35 claims
- 0894US9977406B2Timepiece with internal antennaSEIKO EPSON CORP·Filed 2017·Granted May 22, 2018·6 cites·20 claims
- 0994US8755253B2Timepiece with internal antennaSEIKO EPSON CORP·Filed 2013·Granted Jun 17, 2014·11 cites·8 claims
- 1093US10209679B2Timepiece with internal antennaSEIKO EPSON CORP·Filed 2018·Granted Feb 19, 2019·5 cites·16 claims
- 1193US9869975B2Electronic timepieceSEIKO EPSON CORP·Filed 2017·Granted Jan 16, 2018·7 cites·20 claims
- 1292US9116512B2Timepiece with internal antennaSEIKO EPSON CORP·Filed 2014·Granted Aug 25, 2015·8 cites·7 claims
- 1392US8942068B2Timepiece with internal antennaSEIKO EPSON CORP·Filed 2014·Granted Jan 27, 2015·8 cites·11 claims
- 1492US7016707B2Mobile telephone and radio communication device cooperatively processing incoming callSEIKO EPSON CORP·Filed 2001·Granted Mar 21, 2006·113 cites·45 claims
- 1590US9766597B2Electronic timepieceSEIKO EPSON CORP·Filed 2016·Granted Sep 19, 2017·5 cites·11 claims
- 1690US8223593B2Electronic timepiece and control method for an electronic timepieceFUJISAWA TERUHIKO·Filed 2011·Granted Jul 17, 2012·8 cites·2 claims
- 1790US7616153B2Electronic device and time adjustment methodSEIKO EPSON CORP·Filed 2007·Granted Nov 10, 2009·36 cites·9 claims
- 1890US7307919B2Radio-controlled timepiece and method of adjusting the time kept by a radio-controlled timepieceSEIKO EPSON CORP·Filed 2006·Granted Dec 11, 2007·23 cites·7 claims
- 1989US9523963B2Electronic timepieceSEIKO EPSON CORP·Filed 2015·Granted Dec 20, 2016·5 cites·16 claims
- 2089US9213320B2Electronic timepiece with internal antennaSEIKO EPSON CORP·Filed 2014·Granted Dec 15, 2015·5 cites·9 claims
- 2189US8351301B2Electronic timepiece and control method for an electronic timepieceSEIKO EPSON CORP·Filed 2012·Granted Jan 8, 2013·6 cites·7 claims
- 2288US10031487B2Electronic timepieceSEIKO EPSON CORP·Filed 2017·Granted Jul 24, 2018·4 cites·5 claims
- 2387US7701806B2Electronic timepiece with wireless information functionSEIKO EPSON CORP·Filed 2007·Granted Apr 20, 2010·15 cites·8 claims
- 2487US7187908B2Wrist-watch device having communication function, information display method, control program, and recording mediumSEIKO EPSON CORP·Filed 2001·Granted Mar 6, 2007·22 cites·17 claims
- 2587US6643223B2Time keeping apparatus and control method thereforSEIKO EPSON CORP·Filed 2001·Granted Nov 4, 2003·26 cites·17 claims
- 2686US9720385B2Timepiece with internal antennaSEIKO EPSON CORP·Filed 2016·Granted Aug 1, 2017·2 cites·10 claims
- 2786US6320822B1Electronic equipment and control method for electronic equipmentSEIKO EPSON CORP·Filed 1998·Granted Nov 20, 2001·91 cites·55 claims
- 2886US6154422APower-generating device, charging method and clocking deviceSEIKO EPSON CORP·Filed 1998·Granted Nov 28, 2000·78 cites·28 claims
- 2985US9897979B2Electronic timepiece and control method of an electronic timepieceSEIKO EPSON CORP·Filed 2016·Granted Feb 20, 2018·4 cites·10 claims
- 3085US8531921B2Electronic timepiece and control method for an electronic timepieceSEIKO EPSON CORP·Filed 2012·Granted Sep 10, 2013·4 cites·6 claims
- 3183US9581975B2Electronic timepiece and control method of an electronic timepieceSEIKO EPSON CORP·Filed 2016·Granted Feb 28, 2017·2 cites·7 claims
- 3283US9377763B2Timepiece with wireless communication functionSEIKO EPSON CORP·Filed 2014·Granted Jun 28, 2016·4 cites·9 claims
- 3383US7391677B2Positioning device, positioning method, and timepiece having the positioning deviceSEIKO EPSON CORP·Filed 2007·Granted Jun 24, 2008·19 cites·6 claims
- 3482US8995236B2Electronic timepiece with internal antennaSEIKO EPSON CORP·Filed 2013·Granted Mar 31, 2015·5 cites·6 claims
- 3582US7181179B2Hand-held electronic deviceSEIKO EPSON CORP·Filed 2001·Granted Feb 20, 2007·36 cites·97 claims
- 3681US8913466B2Electronic timepiece with internal antennaSEIKO EPSON CORP·Filed 2013·Granted Dec 16, 2014·4 cites·12 claims
- 3781US8456959B2Timepiece with wireless communication functionFUJISAWA TERUHIKO·Filed 2010·Granted Jun 4, 2013·4 cites·10 claims
- 3881US7433273B2Electronic timepiece with wireless information functionSEIKO EPSON CORP·Filed 2004·Granted Oct 7, 2008·20 cites·31 claims
- 3981US6140863APower-generation detection circuit for use in an electronic device and power-generation detection method and power consumption control method for use in connection therewithSEIKO EPSON CORP·Filed 1998·Granted Oct 31, 2000·67 cites·32 claims
- 4080US8964511B2Timepiece with a wireless functionFUJISAWA TERUHIKO·Filed 2011·Granted Feb 24, 2015·5 cites·19 claims
- 4180US5940041ASlot antenna device and wireless apparatus employing the antenna deviceSEIKO EPSON CORP·Filed 1997·Granted Aug 17, 1999·51 cites·11 claims
- 4279US11567458B2Electronic watch and method of correcting time differenceSEIKO EPSON CORP·Filed 2019·Granted Jan 31, 2023·2 cites·7 claims
- 4379US8077551B2Time adjustment device, timekeeping device with a time adjustment device, and a time adjustment methodFUJISAWA TERUHIKO·Filed 2008·Granted Dec 13, 2011·7 cites·9 claims
- 4479US7280438B2Electronic timepiece with an internal antennaSEIKO EPSON CORP·Filed 2004·Granted Oct 9, 2007·21 cites·11 claims
- 4579US6853605B2Electronic timepiece with a contactless data communication function, and a contactless data communication systemSEIKO EPSON CORP·Filed 2002·Granted Feb 8, 2005·71 cites·16 claims
- 4678US10732578B2Electronic timepieceSEIKO EPSON CORP·Filed 2017·Granted Aug 4, 2020·2 cites·10 claims
- 4778US9513605B2Timepiece with internal antennaSEIKO EPSON CORP·Filed 2016·Granted Dec 6, 2016·1 cites·9 claims
- 4878US9130272B2Electronic device that is worn on the wristFUJISAWA TERUHIKO·Filed 2010·Granted Sep 8, 2015·5 cites·8 claims
- 4978US7903501B2Radio-controlled timepiece and control method for a radio-controlled timepieceSEIKO EPSON CORP·Filed 2008·Granted Mar 8, 2011·7 cites·12 claims
- 5078US7715279B2Time correction device, timepiece having a time correction device, and time correction methodSEIKO EPSON CORP·Filed 2007·Granted May 11, 2010·14 cites·3 claims
Showing the top 50 of 106 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →