Eiichi Miyazawa

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Suwa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Display device having a light emitting element
- Patent number 6,437,840
- Issue date Aug 20, 2002
- Seiko Epson Corporation
- Yasuo Arikawa
- G02 - OPTICS
Information Patent Grant
Electronic watch
- Patent number 6,252,829
- Issue date Jun 26, 2001
- Seiko Epson Corporation
- Eiichi Miyazawa
- G02 - OPTICS
Information Patent Grant
Display device and electronic watch using the device
- Patent number 6,229,767
- Issue date May 8, 2001
- Seiko Epson Corporation
- Eiichi Miyazawa
- G02 - OPTICS
Information Patent Grant
Electronic timepiece
- Patent number 6,201,770
- Issue date Mar 13, 2001
- Seiko Epson Corporation
- Yasuo Arikawa
- G02 - OPTICS
Information Patent Grant
Display device and electronic timepiece
- Patent number 6,185,161
- Issue date Feb 6, 2001
- Seiko Epson Corporation
- Yasuo Arikawa
- G02 - OPTICS
Information Patent Grant
Display device and electronic timepiece
- Patent number 6,147,937
- Issue date Nov 14, 2000
- Seiko Epson Corporation
- Yasuo Arikawa
- G02 - OPTICS
Information Patent Grant
Display device and electronic watch
- Patent number 6,147,934
- Issue date Nov 14, 2000
- Seiko Epson Corporation
- Yasuo Arikawa
- G02 - OPTICS
Information Patent Grant
Pressure measuring device and method using quartz resonators
- Patent number 5,546,810
- Issue date Aug 20, 1996
- Seiko Epson Corporation
- Yasuo Arikawa
- G01 - MEASURING TESTING