Inventor · disambiguated record
Kejian Guan
Also filed as: GUAN KEJIAN
6 granted patents·78 citations·filing 1999–2006
84Inventor score
Top patents by PatentIndex Score
6 records- 0192US7044660B2Erbium-doped fiber amplifier and integrated circuit module componentsLIGHTWAVES 2020 INC·Filed 2005·Granted May 16, 2006·19 cites·8 claims
- 0291US7130121B2Erbium-doped fiber amplifier and integrated module componentsLIGHTWAVES 2020 INC·Filed 2006·Granted Oct 31, 2006·16 cites·12 claims
- 0369US6922281B2Erbium-doped fiber amplifier and integrated module componentsLIGHTWAVES 2020 INC·Filed 2002·Granted Jul 26, 2005·10 cites·18 claims
- 0467US6317250B1Optical isolator using multiple core fibersE TEK DYNAMICS INC·Filed 2000·Granted Nov 13, 2001·10 cites·35 claims
- 0553US6246518B1Reflection type optical isolatorE TEK DYNAMICS INC·Filed 1999·Granted Jun 12, 2001·17 cites·23 claims
- 0636US6445499B1Optical circulatorsJDS UNIPHASE CORP·Filed 1999·Granted Sep 3, 2002·6 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →