Takanori Maki

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical multiplexing apparatus and optical multiplexing method
- Patent number 6,904,240
- Issue date Jun 7, 2005
- Fujitsu Limited
- Katsuhiko Suga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength division multiplexing optical transmission apparatus
- Patent number 6,868,200
- Issue date Mar 15, 2005
- Fujitsu Limited
- Koichi Kimotsuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength division multiplexing optical transmitter and wavelength...
- Patent number 6,118,561
- Issue date Sep 12, 2000
- Fujitsu Limited
- Takanori Maki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical-fiber amplifier
- Patent number 5,581,397
- Issue date Dec 3, 1996
- Fujitsu Limited
- Takanori Maki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical repeater having loop-back function used in transmission system
- Patent number 5,296,957
- Issue date Mar 22, 1994
- Fujitsu Limited
- Masaaki Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Wavelength division multiplexing optical transmission apparatus
- Publication number 20030026528
- Publication date Feb 6, 2003
- FUJITSU LIMITED
- Koichi Kimotsuki
- G02 - OPTICS