Inventor
Hidenori Taga
Inventor
Tokyo, JP
Overview
Patents· 41 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission46%
H04JMultiplex communication28%
G02BOptical elements, systems or apparatus8%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%
H04LTransmission of digital information, e.g. telegraphic communication5%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light3%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light3%
H03MCoding2%
H04QSelecting2%
PatentTitleYear
7,177,540'Method for upgrading an optical transmission system and an optical transmitter'20077,088,927'Optical receiving apparatus and method'20066,868,514'FEC frame structuring method and FEC multiplexer'20056,856,771'Optical receiving apparatus and method'20056,744,990'WDM optical transmission system and an optical transmission line thereof'20046,584,255'Method for manufacturing optical fiber cable with optical fibers whose chromatic dispersion value are uniformed'20036,504,638'Optical amplifying transmission system and optical amplifier'20036,459,518'Optical transmitting apparatus'20026,445,478'Optical pulse position detecting circuit and an optical pulse generating apparatus and their methods'20026,377,375'Optical wavelength division multiplexed signal amplifying repeater and optical communication transmission line with very large capacity'20026,236,488'Optical pulse position detecting circuit and an optical pulse generating apparatus and their methods'20016,181,449'Wavelength division multiplexed optical processing device and optical communication transmission path'20016,091,538'Gain equalizing apparatus'20006,028,695'Optical modulating apparatus'20006,021,235'Wavelength-division multiplexing optical transmission system'20005,978,529'Gain equalizer and optical amplifying transmission line'19995,966,228'Optical transmission system and optical repeater'19995,937,126'Optically amplifying/repeating transmission system and optical amplifier'19995,926,300'Optical add-drop multiplexer'19995,920,413'Method and device for optical add/drop multiplexing using high speed polarization scrambler'19995,912,750'Optical transmission line'19995,892,608'Optical receiver device for dark soliton lightwave'19995,872,647'Optical transmitting terminal'19995,838,477'Optical submarine branching device'19985,822,095'Optical add-drop multiplexer'19985,808,789'Optically amplifying transmission system'19985,790,289'WDM optical communication method with pre-emphasis technique and an apparatus therefor'19985,786,918'Optical communication system and optical transmitting device'19985,737,110'Optical communication system using dark soliton lightwave'19985,710,660'Gain-controllable optical amplifier and optical gain-control method'19985,642,215'Optical transmission system'19975,629,795'Optical amplifying-repeating transmission system'19975,625,479'Soliton optical communication system and optical transmitter and optical receiver therefor'19975,589,969'Wavelength division multiplexed optical fiber transmission equipment'19965,585,954'Apparatus for measuring optical transmission characteristic'19965,574,590'Optical amplifying transmitting system'19965,559,910'Wavelength division multiplexed optical fiber transmission equiptment'19965,471,333'Optical communication system'19955,430,795'Optical transmitter with the signal light of reduced degree of polarization and optical depolarizing circuit'19955,162,936'Apparatus for monitoring the operation of an optical repeater'19925,140,452'Long-distance high-speed optical communication scheme'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2002Patents assigned to KOKUSAI DENSHIN DENWA CO LTD (32)· patent assignee history
1992–2007Based in Tokyo, JP· patent location history
1995–2002Based in Sakado, JP· patent location history
1996–1999Based in Saitama, JP· patent location history
1998–2007Patents assigned to MITSUBISHI ELECTRIC CORP (6)· patent assignee history
1999–2005Patents assigned to KDD SUBMARINE CABLE SYS INC (5)· patent assignee history
1999Based in Sakado-shi, JP· patent location history
2002–2004Patents assigned to KDD CORP (4)· patent assignee history
2006Patents assigned to KDDI CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOKUSAI DENSHIN DENWA CO LTD | 32 | 1992–2002 |
| MITSUBISHI ELECTRIC CORP | 6 | 1998–2007 |
| KDD SUBMARINE CABLE SYS INC | 5 | 1999–2005 |
| KDD CORP | 4 | 2002–2004 |
| KDDI CORP | 1 | 2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 19 | 1992–2007 |
| Sakado, JP | 14 | 1995–2002 |
| Saitama, JP | 7 | 1996–1999 |
| Sakado-shi, JP | 1 | 1999 |