Title:
光導波路デバイス
Document Type and Number:
Japanese Patent JP3570735
Kind Code:
B2
Inventors:
Tohru Sugamata
Junichiro Minowa
Shinichi Shizu
Junichiro Minowa
Shinichi Shizu
Application Number:
JP2235693A
Publication Date:
September 29, 2004
Filing Date:
February 10, 1993
Export Citation:
Assignee:
Sumitomo Osaka Cement Co., Ltd.
International Classes:
G02F1/035; (IPC1-7): G02F1/035
Domestic Patent References:
| JP5173099A |
Attorney, Agent or Firm:
Yutaka Kuramochi