Inventor · disambiguated record
Leonard Jan-Peter Ketelsen
Also filed as: KETELSEN LEONARD · KETELSEN LEONARD J · KETELSEN LEONARD J-P · KETELSEN LEONARD JAN-PETER
16 granted patents·1 pending application·420 citations·filing 1990–2023
93Inventor score
Files withAT & T BELL LAB3ACACIA COMMUNICATIONS INC2AGERE SYST OPTOELECTRONICS2AVAGO TECHNOLOGIES GENERAL IP2LUCENT TECHNOLOGIES INC2
Top patents by PatentIndex Score
17 records- 0197US6275317B1Hybrid integration of a wavelength selectable laser source and optical amplifier/modulatorAGERE SYST OPTOELECTRONICS·Filed 1998·Granted Aug 14, 2001·208 cites·48 claims
- 0289US9025958B1Planar lightwave circuit optical multiplexer for non-sequential wavelength channelsAVAGO TECHNOLOGIES GENERAL IP·Filed 2013·Granted May 5, 2015·12 cites·21 claims
- 0385US6162655AMethod of fabricating an expanded beam optical waveguide deviceLUCENT TECHNOLOGIES INC·Filed 1999·Granted Dec 19, 2000·88 cites·5 claims
- 0482US12081268B2Resistivity engineered substrate for RF common-mode suppressionACACIA COMMUNICATIONS INC·Filed 2023·Granted Sep 3, 2024·0 cites·20 claims
- 0574US5012484AAnalog optical fiber communication system, and laser adapted for use in such a systemAT & T BELL LAB·Filed 1990·Granted Apr 30, 1991·34 cites·12 claims
- 0671US12481181B2Thermo-optic phase shifter systems and methodsCISCO TECH INC·Filed 2023·Granted Nov 25, 2025·0 cites·19 claims
- 0769US11552710B2Resistivity engineered substrate for RF common-mode suppressionACACIA COMMUNICATIONS INC·Filed 2020·Granted Jan 10, 2023·0 cites·21 claims
- 0858US6829262B1Aging in tunable semiconductor lasersTRI QUINT TECHNOLOGY HOLDING C·Filed 2000·Granted Dec 7, 2004·6 cites·10 claims
- 0957US5111475AAnalog optical fiber communication system, and laser adapted for use in such a systemAT & T BELL LAB·Filed 1991·Granted May 5, 1992·26 cites·5 claims
- 1054US6704472B2Optoelectronic device having an integrated capacitor formed thereon and method of manufacturing the sameTRIQUINT TECHNOLOGY HOLDING CO·Filed 2001·Granted Mar 9, 2004·4 cites·9 claims
- 1147US9450372B1Wavelength tunable semiconductor laserAVAGO TECHNOLOGIES GENERAL IP·Filed 2015·Granted Sep 20, 2016·0 cites·20 claims
- 1247US7008805B2Optical device and method of manufacture thereofTRIQUINT TECHNOLOGY HOLDING CO·Filed 2003·Granted Mar 7, 2006·2 cites·18 claims
- 1347US5052015APhase shifted distributed feedback laserAT & T BELL LAB·Filed 1990·Granted Sep 24, 1991·11 cites·8 claims
- 1446US5506859AArticle comprising a DFB laser with loss couplingAT & T CORP·Filed 1995·Granted Apr 9, 1996·13 cites·5 claims
- 1544US6195166B1Photoreflectance spectral analysis of semiconductor laser structuresLUCENT TECHNOLOGIES INC·Filed 1999·Granted Feb 27, 2001·12 cites·7 claims
- 1634US2002175325A1Semiconductor optical devicesFiled 2000·Application pending·0 cites
- 1732US6310902B1Modulator for analog applicationsAGERE SYST OPTOELECTRONICS·Filed 1998·Granted Oct 30, 2001·4 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →