The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 01, 2017
Filed:
Sep. 27, 2013
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Kenya Suzuki, Atsugi, JP;
Kazunori Seno, Atsugi, JP;
Naoki Ooba, Atsugi, JP;
Tetsuo Takahashi, Atsugi, JP;
Toshio Watanabe, Atsugi, JP;
Takeshi Kawai, Yokosuka, JP;
Mitsunori Fukutoku, Yokosuka, JP;
Yuzo Ishii, Atsugi, JP;
Koichi Hadama, Atsugi, JP;
Yuichi Higuchi, Atsugi, JP;
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Abstract
To provide an optical signal processing device that can collect light from an input waveguide to form a beam array having a small diameter. The optical signal processing device includes input waveguidesto, an array waveguideand a slab waveguidethat is connected to a first archaving the single point C as a center and input waveguidestoand that is connected to a second archaving the single point C as a center and an array waveguide