Osamu Oyama

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical transmitter including rare earth-doped fiber
- Patent number 5,276,549
- Issue date Jan 4, 1994
- Fujitsu Limited
- Kenji Tagawa
- G02 - OPTICS
Information Patent Grant
Optical fiber amplifier
- Patent number 5,155,621
- Issue date Oct 13, 1992
- Fujitsu Limited
- Keiko Takeda
- H01 - BASIC ELECTRIC ELEMENTS