Inventor
Naomasa Shimojoh
Inventor
Kawasaki, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission53%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light47%
PatentTitleYear
6,930,823'Optical transmission method and optical transmission system utilizing Raman amplification'20056,882,466'Optical amplifier'20056,807,376'Gain equalizer which includes a plurality of optical filters for equalizing the gain of an optical amplifier'20046,606,188'Optical repeater using raman amplification, wavelength division multiplexed light transmission system, excitation light supply method and excitation light control method for raman amplification'20036,480,328'Optical amplifier and optical amplification method for amplifying wavelength division multiplexed signal light'20026,417,960'Method of equalizing gain utilizing asymmetrical loss-wavelength characteristics and optical amplifying apparatus using same'20026,344,914'Gain equalizer which includes a plurality of optical filters for equalizing the gain of an optical amplifier'20026,268,955'Optical amplifier and wave length division multiplexed light transmission system'20016,061,172'Active optical fiber and optical fiber amplifier'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2005Patents assigned to FUJITSU LTD (9)· patent assignee history
2000–2005Based in Kawasaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 9 | 2000–2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 9 | 2000–2005 |