Title:
多層光導波路およびその製造方法
Document Type and Number:
Japanese Patent JP6461708
Kind Code:
B2
Inventors:
Koji Takeda
Shinji Matsuo
Takuro Fujii
Hidetaka Nishi
Shinji Matsuo
Takuro Fujii
Hidetaka Nishi
Application Number:
JP2015101585A
Publication Date:
January 30, 2019
Filing Date:
May 19, 2015
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
G02B6/125; G02B6/136
Domestic Patent References:
| JP60172001A | ||||
| JP2002062446A | ||||
| JP2005172933A | ||||
| JP2002258082A |
Foreign References:
| US5367585 |
Attorney, Agent or Firm:
Masaki Yamakawa
Shigeki Yamakawa
Yuzo Koike
Shigeki Yamakawa
Yuzo Koike