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Iida; Rikihiro
Tokyo, JP
No. of patents:

Patent Number Title Of Patent Date Issued
6456369 Multi-core optical fiber inspecting method and apparatus September 24, 2002
An apparatus for inspecting a multi-core optical fiber having a plurality of cores arranged in one plane includes a light source 10 having a plurality of optical output terminals which are connected to the incident ends of the respective cores of the multi-core optical fiber and used for
6111635 Apparatus for verifying wire gauges of multi-core optical fiber August 29, 2000
An apparatus for verifying the wire gauges of a multi-core optical fiber including a multi-output light source unit having a plurality of output terminals, and an integrated light receiving device having a plurality of light receiving elements which are integrated into one body. In the
6108465 Optical pulse generator August 22, 2000
The object of the present invention is to provide an optical pulse generator which very stably generates for a long period of time a high cycling frequency optical pulse chain. In order to obtain this object, in a ring type resonator R, the present invention provides an optical path
6101021 Optical pulse generator August 8, 2000
According to the present invention, damage to a photo-detector disposed in clock signal extractor by means of an optical pulse having an optical power exceeding a rated value is prevented. A ring resonator generates a repetitive, high-frequency optical pulse. Optical branching circuit

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