Osamu Kamatani

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Sagamihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical transmission system
- Patent number 6,587,242
- Issue date Jul 1, 2003
- Nippon Telegraph and Telephone Corporation
- Ippei Shake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase lock loop circuit using optical correlation detection
- Patent number 5,706,113
- Issue date Jan 6, 1998
- Nippon Telegraph & Telephone Corporation
- Satoki Kawanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase lock loop circuit using optical correlation detection
- Patent number 5,574,588
- Issue date Nov 12, 1996
- Nippon Telegraph & Telephone Corporation
- Satoki Kawanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE