光波長合分波装置 - Nippon Telegraph and Telephone Corporation

Title:

光波長合分波装置

Document Type and Number:

Japanese Patent JP4238069

Kind Code:

B2

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Inventors:

Suzuki Folding Fan
Kamei Shin
Noguchi alone

Application Number:

JP2003165889A

Publication Date:

March 11, 2009

Filing Date:

June 11, 2003

Export Citation:

Assignee:

Nippon Telegraph and Telephone Corporation

International Classes:

G02B6/12; G02B6/30; H04B10/00; H04B10/27; H04B10/29

Domestic Patent References:

Attorney, Agent or Firm:

Akita Haruki
Keiichi Chino

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