Oh Jaekwan

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Nagano-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic timepiece
- Patent number 10,663,926
- Issue date May 26, 2020
- Seiko Epson Corporation
- Jaekwan Oh
- G04 - HOROLOGY
Information Patent Grant
Before/after specific weekday determination device, program media,...
- Patent number 8,542,557
- Issue date Sep 24, 2013
- Seiko Epson Corporation
- Jaekwan Oh
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece and reception control method for an electronic...
- Patent number 8,514,667
- Issue date Aug 20, 2013
- Seiko Epson Corporation
- Toshikazu Akiyama
- G04 - HOROLOGY
Information Patent Grant
Electronic device, time difference data acquisition method, and dat...
- Patent number 8,407,450
- Issue date Mar 26, 2013
- Seiko Epson Corporation
- Oh Jaekwan
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC TIMEPIECE
- Publication number 20180253063
- Publication date Sep 6, 2018
- SEIKO EPSON CORPORATION
- Jaekwan OH
- G04 - HOROLOGY
Information Patent Application
Electronic Timepiece and Reception Control Method for an Electronic...
- Publication number 20120201101
- Publication date Aug 9, 2012
- SEIKO EPSON CORPORATION
- Toshikazu Akiyama
- G04 - HOROLOGY
Information Patent Application
Before/After Specific Weekday Determination Device, Program Media,...
- Publication number 20110051559
- Publication date Mar 3, 2011
- SEIKO EPSON CORPORATION
- Jaekwan Oh
- G04 - HOROLOGY
Information Patent Application
Electronic Device, Time Difference Data Acquisition Method, and Dat...
- Publication number 20100228948
- Publication date Sep 9, 2010
- SEIKO EPSON CORPORATION
- Oh Jaekwan
- G04 - HOROLOGY