Inventor · disambiguated record
Makoto Okeya
Also filed as: OKEYA MAKOTO
21 granted patents·478 citations·filing 1992–2019
96Inventor score
Files withSEIKO EPSON CORP21
Top patents by PatentIndex Score
21 records- 0186US6320822B1Electronic equipment and control method for electronic equipmentSEIKO EPSON CORP·Filed 1998·Granted Nov 20, 2001·91 cites·55 claims
- 0286US5545983ADisplacement sensor with temperature compensation by combining outputs in a predetermined ratioSEIKO EPSON CORP·Filed 1993·Granted Aug 13, 1996·60 cites·13 claims
- 0383US7119475B2Driving method of piezoelectric actuator, driving apparatus of piezoelectric actuator, electronic watch, electronics, control program of piezoelectric actuator, and storage mediumSEIKO EPSON CORP·Filed 2004·Granted Oct 10, 2006·25 cites·27 claims
- 0482US7079451B2Time measurement device and method of controlling the time measurement deviceSEIKO EPSON CORP·Filed 2003·Granted Jul 18, 2006·23 cites·24 claims
- 0581US9740172B2TimepieceSEIKO EPSON CORP·Filed 2016·Granted Aug 22, 2017·2 cites·23 claims
- 0677US5581180AHorizontal and vertical displacement detector of wire ropeSEIKO EPSON CORP·Filed 1992·Granted Dec 3, 1996·43 cites·16 claims
- 0776US6693851B1Electronic device and control method for electronic deviceSEIKO EPSON CORP·Filed 2000·Granted Feb 17, 2004·37 cites·31 claims
- 0875US7675218B2Drive apparatus of piezoelectric actuator, electronic apparatus, drive method of electronic apparatus, drive control program of electronic apparatus, and mediumSEIKO EPSON CORP·Filed 2005·Granted Mar 9, 2010·6 cites·2 claims
- 0974US10747248B2OscillatorSEIKO EPSON CORP·Filed 2019·Granted Aug 18, 2020·1 cites·6 claims
- 1074US9354610B2Analog electronic timepieceSEIKO EPSON CORP·Filed 2015·Granted May 31, 2016·2 cites·5 claims
- 1174US6424600B1Portable electronic device and control method for controlling the portable electronic deviceSEIKO EPSON CORP·Filed 1999·Granted Jul 23, 2002·47 cites·54 claims
- 1270US7663978B2Drive control apparatus, electronic apparatus, method of controlling drive of electronic apparatus, drive control program, and recording mediumSEIKO EPSON CORP·Filed 2005·Granted Feb 16, 2010·4 cites·14 claims
- 1369US7298066B2Drive apparatus for piezoelectric actuator, drive method for piezoelectric actuator, electronic device, control program for drive apparatus for piezoelectric actuator, and recording mediumSEIKO EPSON CORP·Filed 2005·Granted Nov 20, 2007·5 cites·23 claims
- 1461US6628572B1Electronic equipment and method of controlling electronic equipmentSEIKO EPSON CORP·Filed 2000·Granted Sep 30, 2003·15 cites·34 claims
- 1559US6396772B1Electronic apparatus and control method for electronic apparatusSEIKO EPSON CORP·Filed 1999·Granted May 28, 2002·23 cites·35 claims
- 1658US6262554B1Electronic device and method of controlling the sameSEIKO EPSON CORP·Filed 1999·Granted Jul 17, 2001·24 cites·36 claims
- 1754US6343051B1Portable electronic device and control method for the portable electronic deviceSEIKO EPSON CORP·Filed 1999·Granted Jan 29, 2002·18 cites·20 claims
- 1848US6462967B1Power supply device, control method for the power supply device, portable electronic device, timepiece, and control method for the timepieceSEIKO EPSON CORP·Filed 1999·Granted Oct 8, 2002·13 cites·130 claims
- 1948US6367967B1Time-measurement device and method of controlling the sameSEIKO EPSON CORP·Filed 1999·Granted Apr 9, 2002·13 cites·50 claims
- 2048US6327225B1Electronic unit, and control method for electronic unitSEIKO EPSON CORP·Filed 1999·Granted Dec 4, 2001·13 cites·19 claims
- 2148US6278663B1Electronic apparatus and control method for electronic apparatusSEIKO EPSON CORP·Filed 1999·Granted Aug 21, 2001·13 cites·17 claims
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