Segmented complex fiber gratings
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Nov 6, 2001
Issued Date -
N/A
app pub date -
Jul 22, 1998
filing date -
Mar 13, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A waveguide that is operative to produce a reflected optical signal having a spectral profile corresponding to a product of a spectral profile of an input optical signal and a predetermined complex-valued spectral filtering function wherein the waveguide includes a plurality of spatially distinct subgratings each possessing a periodic array of diffraction elements. The subgratings are situated and configured based on the predetermined complex-valued spectral filtering function.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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INTEL CORPORATION | 2200 MISSION COLLEGE BOULEVARD SANTA CLARA CA 95054 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Grunnet-Jepsen, Anders | Milpitas, CA | 66 | 1975 |
# of filed Patents : 66 Total Citations : 1975 | |||
Mossberg, Thomas | Eugene, OR | 7 | 227 |
# of filed Patents : 7 Total Citations : 227 | |||
Munroe, Michael | Petaluma, CA | 15 | 205 |
# of filed Patents : 15 Total Citations : 205 | |||
Sweetser, John | San Jose, CA | 16 | 1265 |
# of filed Patents : 16 Total Citations : 1265 |
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Patent Citation Ranking
- 52 Citation Count
- G02B Class
- 93.98 % this patent is cited more than
- 24 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
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Dec 06, 2021 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Dec 06, 2021 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Oct 29, 2021 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Oct 29, 2021 |
Jun 21, 2021 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Apr 13, 2017 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Oct 29, 2013 | I | Issuance | |
Oct 09, 2013 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Oct 31, 2012 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Oct 18, 2012 | P | Published | |
Apr 25, 2011 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:YAMAMOTO, KENTARO;YONESHIMA, HISASHI;TAKAZAWA, SHIGEYOSHI;SIGNING DATES FROM 20110414 TO 20110415;REEL/FRAME:026175/0353 Owner name: YKK CORPORATION OF AMERICA, GEORGIA |
Apr 18, 2011 | F | Filing | |
Apr 18, 2011 | PD | Priority Date |

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