Inventor · disambiguated record
Tadayoshi Kitayama
Also filed as: KITAYAMA TADAYOSHI
21 granted patents·922 citations·filing 1989–2001
97Inventor score
Top patents by PatentIndex Score
21 records- 0195US6094293AOptical switching apparatus for use in an optical communication systemMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Jul 25, 2000·183 cites·17 claims
- 0295US5506724AGain controllable optical amplifier and applications thereofMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Apr 9, 1996·105 cites·47 claims
- 0393US5850301AWavelength multiplexed light transfer unit and wavelength multiplexed light transfer systemMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Dec 15, 1998·90 cites·6 claims
- 0487US5268786AOptical fiber amplifier and its amplification methodMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Dec 7, 1993·68 cites·22 claims
- 0584US6445478B2Optical pulse position detecting circuit and an optical pulse generating apparatus and their methodsMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Sep 3, 2002·26 cites·8 claims
- 0684US6236488B1Optical pulse position detecting circuit and an optical pulse generating apparatus and their methodsMITSUBISHI ELECTRIC CORP·Filed 1998·Granted May 22, 2001·59 cites·20 claims
- 0781US5710660AGain-controllable optical amplifier and optical gain-control methodKOKUSAI DENSHIN DENWA CO LTD·Filed 1996·Granted Jan 20, 1998·53 cites·25 claims
- 0880US6292603B1Dispersion compensation deviceKOKUSAI DENSHIN DENWA CO LTD·Filed 1998·Granted Sep 18, 2001·53 cites·21 claims
- 0976US5793908AWavelength multiplexed light transfer unit and wavelength multiplexed light transfer systemMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Aug 11, 1998·37 cites·1 claims
- 1074US6801720B1Optical signal quality supervisory deviceMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Oct 5, 2004·13 cites·11 claims
- 1169US5455704AOptical-fiber light amplifierMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Oct 3, 1995·43 cites·16 claims
- 1267US6028695AOptical modulating apparatusMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Feb 22, 2000·36 cites·12 claims
- 1366US5400163AMultiplex digital communication system for transmitting channel identification informationMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Mar 21, 1995·25 cites·6 claims
- 1465US5367587AOptical amplifierMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Nov 22, 1994·22 cites·26 claims
- 1561US5861967AWavelength multiplexed light transfer unit and wavelength multiplexed light transfer systemMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Jan 19, 1999·18 cites·4 claims
- 1660US6434288B1Optical switching systemKDD CORP·Filed 1999·Granted Aug 13, 2002·24 cites·7 claims
- 1749US5978124ALight emitting control apparatus and optical transmitterMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Nov 2, 1999·20 cites·34 claims
- 1846US5510930ALight amplifying apparatusMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Apr 23, 1996·10 cites·6 claims
- 1944US5760949ALight amplifierMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jun 2, 1998·11 cites·19 claims
- 2042US5107362AOptical transmission apparatusMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Apr 21, 1992·18 cites·20 claims
- 2140US4940306AStar network optical transmission systemMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Jul 10, 1990·8 cites·14 claims
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