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For the Inventor, By the Inventor

Stittsville, Canada

Grantley O Este

This inventor holds 11 USPTO granted patents, plus 2 CIPO patents. Top assignees: Northern Telecom Limited, Nortel Networks Corporation. Active years: 1984-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Grantley O Este. Retrieved from https://idiyas.com/inventor/grantley-o-este

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 11

% Patents Active = 100.0


Average Co-Inventor Count = 2.2

ph-index = 7

Forward Citations = 126(Granted Patents)


Location History:

  • Kanata, CA (1984)
  • Stittsville, CA (1984 - 1991)
  • Dunrobin, CA (2001)

Company Filing History:

goldMedal9 out of 2,276 
 
Northern Telecom Limited
 patents
silverMedal2 out of 4,171 
 
Nortel Networks Corporation
 patents

Years Active: 1984-2001

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11 patents (USPTO):Explore Patents
1. 6225193 - Method of cleaving a semiconductor wafer including implanting and annealing resulting in exfoliation (2001-05-01),
2. 6197697 - Method of patterning semiconductor materials and other brittle materials (2001-03-06),
3. 5019742 - Saw device with apodized IDT (1991-05-28),
4. 4916348 - Surface acoustic wave scattering grating (1990-04-10),
5. 4814658 - SAW device with continuous finger pattern (1989-03-21),
6. 4684841 - Saw devices including resistive films (1987-08-04),
7. 4680497 - Surface acoustic wave devices (1987-07-14),
8. 4642507 - Saw devices with reflection-suppressing fingers (1987-02-10),
9. 4539502 - Magnetic feedthrough cancelling surface acoustic wave device (1985-09-03),
10. 4475033 - Positioning device for optical system element (1984-10-02),
11. 4433386 - Surface relief measuring equipment (1984-02-21),
Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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