Title:
光通信ネットワーク
Document Type and Number:
Japanese Patent JP3616991
Kind Code:
B2
Inventors:
Moriwaki Satoshi
Yoshihisa Kai
Akira Okada
Noguchi alone
Takashi Sakamoto
Shigetoshi Matsuoka
Yoshihisa Kai
Akira Okada
Noguchi alone
Takashi Sakamoto
Shigetoshi Matsuoka
Application Number:
JP2000247450A
Publication Date:
February 02, 2005
Filing Date:
August 17, 2000
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
G02B6/12; G02B6/293; H04B10/27; H04B10/29; H04J14/00; H04J14/02; H04Q3/52; (IPC1-7): H04B10/20; G02B6/12; G02B6/293; H04B10/02; H04J14/00; H04J14/02; H04Q3/52
Domestic Patent References:
| JP2001053760A | ||||
| JP2000201112A | ||||
| JP2001197006A |
Attorney, Agent or Firm:
Hiroshi Matsumoto
Toshiro Mitsuishi
Yasuyuki Tanaka
Toshiro Mitsuishi
Yasuyuki Tanaka