Seiji Matsuzaki

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Add-drop multiplexer in an SDH transmission unit
- Patent number 6,600,742
- Issue date Jul 29, 2003
- Fujitsu Limited
- Masaki Hiromori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission device and integrated circuit
- Patent number 6,400,614
- Issue date Jun 4, 2002
- Fujitsu Limited
- Masaki Hiromori
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Optical wavelength division multiplexing transmission system
- Publication number 20040208567
- Publication date Oct 21, 2004
- FUJITSU LIMITED
- Hisanori Okano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE