Granted Patent
Utility
US 6,441,952
· Confirmation No. 2334
APPARATUS AND METHOD FOR CHANNEL MONITORING IN A HYBRID DISTRIBUTED RAMAN/EDFA OPTICAL AMPLIFIER
Inventors:
Xiaodong Duan, Guohua Xiao, Lintao Zhang, Dongqi Liu, Gang Li, Paul Hull, Charles Xiaoping Mao, Simon Xiaofan Cao
Patented Case
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2001-07-03 | TRNA |
Transmittal of New Application | 1 | View | |
| 2001-07-03 | SPEC |
Specification | 10 | View | |
| 2001-07-03 | CLM |
Claims | 2 | View | |
| 2001-07-03 | ABST |
Abstract | 1 | View | |
| 2001-07-03 | DRW |
Drawings-only black and white line drawings | 4 | View | |
| 2001-07-03 | OATH |
Oath or Declaration filed | 5 | View |
Inventors
Xiaodong Duan
Plano, TX
Guohua Xiao
Plano, TX
Lintao Zhang
Richardson, TX
Dongqi Liu
Dallas, TX
Gang Li
Richardson, TX
Paul Hull
Carrollton, TX
Charles Xiaoping Mao
Plano, TX
Simon Xiaofan Cao
Fremont, CA
Attorneys & Agents of Record
Classification
USPC
359/334
H01S3/06758
H01S3/1001
H01S3/10015
H01S3/1305
H01S3/302
Prosecution
- Examiner
- HELLNER, MARK
- Art Unit
- 3662
- Docket No.
- 2217P
- Confirmation No.
- 2334
Patent Term Adjustment
0days
No related applications found.
II-VI INCORPORATED,
MARLOW INDUSTRIES, INC.,
EPIWORKS, INC.,
LIGHTSMYTH TECHNOLOGIES, INC.,
KAILIGHT PHOTONICS, INC.,
COADNA PHOTONICS, INC.,
OPTIUM CORPORATION,
FINISAR CORPORATION,
II-VI OPTICAL SYSTEMS, INC.,
M CUBED TECHNOLOGIES, INC.,
II-VI PHOTONICS (US), INC.,
II-VI DELAWARE, INC.,
II-VI OPTOELECTRONIC DEVICES, INC.,
PHOTOP TECHNOLOGIES, INC.
PATENT RELEASE AND REASSIGNMENT
Recorded 2022-07-05
from
COADNA PHOTONICS, INC.,
EPIWORKS, INC.,
FINISAR CORPORATION,
II-VI DELAWARE, INC.,
II-VI INCORPORATED,
II-VI OPTICAL SYSTEMS, INC.,
II-VI OPTOELECTRONIC DEVICES, INC.,
II-VI PHOTONICS (US), INC.,
KAILIGHT PHOTONICS, INC.,
LIGHTSMYTH TECHNOLOGIES, INC.,
M CUBED TECHNOLOGIES, INC.,
MARLOW INDUSTRIES, INC.,
OPTIUM CORPORATION,
PHOTOP TECHNOLOGIES, INC.
NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS
Recorded 2019-09-25
RELEASE OF SECURITY INTEREST
Recorded 2014-05-21
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2014-03-28
from
AVANEX CORPORATION
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2014-03-21
PATENT SECURITY AGREEMENT
Recorded 2012-07-03
from
CAO, SIMON XIAOFAN,
DUAN, XIAODONG,
LI, GANG,
LIU, DONGQI,
MAO, CHARLES XIAOPING,
XIAO, GUOHUO,
ZHANG, LINTAO,
HULL, PAUL
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-10-16
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Quick Facts
- Patent No.
- US 6,441,952
- App. No.
- 09/898,244
- Filed
- 2001-07-03
- Granted
- 2002-08-27
- Examiner
- HELLNER, MARK
- Art Unit
- 3662
- PTA
- 0 days
External Links