Inventor · disambiguated record
Keiko Takeda
Also filed as: TAKEDA KEIKO
19 granted patents·805 citations·filing 1989–2000
96Inventor score
Top patents by PatentIndex Score
19 records- 0189US5708826AApparatus and method for converting presentation dataFUJITSU LTD·Filed 1995·Granted Jan 13, 1998·223 cites·34 claims
- 0289US5077815AApparatus for optically connecting a single-mode optical fiber to a multi-mode optical fiberFUJITSU LTD·Filed 1989·Granted Dec 31, 1991·76 cites·17 claims
- 0385US6111586AElectronic photo album editing apparatusFUJITSU LTD·Filed 1997·Granted Aug 29, 2000·172 cites·16 claims
- 0479US5467218AOptical fiber amplifierFUJITSU LTD·Filed 1994·Granted Nov 14, 1995·36 cites·27 claims
- 0578US5136420AOptical fiber amplifierFUJITSU LTD·Filed 1990·Granted Aug 4, 1992·50 cites·7 claims
- 0676US5155621AOptical fiber amplifierFUJITSU LTD·Filed 1991·Granted Oct 13, 1992·36 cites·1 claims
- 0773US6266180B1Optical fiber amplifier using optical fiber having a portion which suppresses nonlinear optical phenomenaFUJITSU LTD·Filed 1999·Granted Jul 24, 2001·37 cites·70 claims
- 0872US5007698AOptical fiber amplifier/multiplexerFUJITSU LTD·Filed 1990·Granted Apr 16, 1991·30 cites·24 claims
- 0971US5508842AOptical amplifierFUJITSU LTD·Filed 1994·Granted Apr 16, 1996·30 cites·12 claims
- 1066US6748176B1Optical dropping apparatus and optical add/drop multiplexerFUJITSU LTD·Filed 2000·Granted Jun 8, 2004·7 cites·20 claims
- 1163US6408652B1Solution doping method of making an optical amplifying fiberFUJITSU LTD·Filed 1999·Granted Jun 25, 2002·14 cites·7 claims
- 1263US5930436AOptical amplifying fiber and process of producing the sameFUJITSU LTD·Filed 1997·Granted Jul 27, 1999·14 cites·7 claims
- 1356US5327282AOptical amplifier for 1.3 μm bandFUJITSU LTD·Filed 1993·Granted Jul 5, 1994·15 cites·16 claims
- 1455US6163398ADispersion compensating fiber and optical amplifier using sameFUJITSU LTD·Filed 1998·Granted Dec 19, 2000·18 cites·32 claims
- 1553US5970198AOptically amplifying fiber and optical fiber amplifierFUJITSU LTD·Filed 1998·Granted Oct 19, 1999·16 cites·9 claims
- 1649US5140598AFiber optic amplifierFUJITSU LTD·Filed 1991·Granted Aug 18, 1992·17 cites·8 claims
- 1744US5276549AOptical transmitter including rare earth-doped fiberFUJITSU LTD·Filed 1992·Granted Jan 4, 1994·10 cites·5 claims
- 1827US6678460B1Magnetic reproducer and magnetic reproduction methodSONY CORP·Filed 1999·Granted Jan 13, 2004·1 cites·8 claims
- 1922US5812113APicture forming deviceFUJITSU LTD·Filed 1996·Granted Sep 22, 1998·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →