Title:
波長可変光フィルタ及びその作製方法
Document Type and Number:
Japanese Patent JP4223873
Kind Code:
B2
Inventors:
Etsu Hashimoto
Yoshimasa Katagiri
Suzuki Yoshio
Yoshimasa Katagiri
Suzuki Yoshio
Application Number:
JP2003190223A
Publication Date:
February 12, 2009
Filing Date:
July 02, 2003
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
NTT Advanced Technology Corporation
NTT Advanced Technology Corporation
International Classes:
G02B5/28
Domestic Patent References:
| JP9243822A | ||||
| JP4126201U | ||||
| JP46029294B1 | ||||
| JP11507143A |
Attorney, Agent or Firm:
Toshiro Mitsuishi
Yasuyuki Tanaka
Hiroshi Matsumoto
Yasuyuki Tanaka
Hiroshi Matsumoto