Hiroyuki Gomyo

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Kokubunji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wavelength tunable laser and optical device
- Patent number 6,700,910
- Issue date Mar 2, 2004
- Hitachi, Ltd.
- Masahiro Aoki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical device, fiber optical amplifier and optical t...
- Patent number 6,111,998
- Issue date Aug 29, 2000
- Hitachi, Ltd.
- Tatemi Ido
- G02 - OPTICS