Growing community of inventors

Toronto, Canada

Firth Whitwam

Average Co-Inventor Count = 2.87

ph-index = 4

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 67

Firth WhitwamAlon Green (6 patents)Firth WhitwamWalter Kinio (5 patents)Firth WhitwamRodney Ignatius (4 patents)Firth WhitwamAbe Kanner (3 patents)Firth WhitwamDavid Dimmer (1 patent)Firth WhitwamRudy Rochefort (1 patent)Firth WhitwamKit Mongaya (1 patent)Firth WhitwamMircea Georgescu (1 patent)Firth WhitwamMohammed El-Azizy (1 patent)Firth WhitwamPhilip Chorazy (1 patent)Firth WhitwamEhsan Kimiagar (1 patent)Firth WhitwamMircea Georgescu (0 patent)Firth WhitwamFirth Whitwam (11 patents)Alon GreenAlon Green (31 patents)Walter KinioWalter Kinio (16 patents)Rodney IgnatiusRodney Ignatius (4 patents)Abe KannerAbe Kanner (23 patents)David DimmerDavid Dimmer (3 patents)Rudy RochefortRudy Rochefort (3 patents)Kit MongayaKit Mongaya (1 patent)Mircea GeorgescuMircea Georgescu (1 patent)Mohammed El-AzizyMohammed El-Azizy (1 patent)Philip ChorazyPhilip Chorazy (1 patent)Ehsan KimiagarEhsan Kimiagar (1 patent)Mircea GeorgescuMircea Georgescu (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Thales Canada Inc. (11 from 68 patents)

2. Hitachi Rail Gts Canada Inc. (8 patents)

3. Ground Transportation Systems Canada Inc. (3 patents)


11 patents:

1. 11603122 - Over-speed protection device

2. 11465660 - Apparatuses, systems, methods, and software for train control and tracking using multi sensors, SSD/QR signs, and/or RF reflectors

3. 10220863 - Guideway mounted vehicle localization system

4. 9950721 - Guideway mounted vehicle localization system

5. 9828011 - Communication system for guideway mounted vehicle and method of using the same

6. 9499185 - Wayside guideway vehicle detection and switch deadlocking system with a multimodal guideway vehicle sensor

7. 9387867 - Fusion sensor arrangement for guideway mounted vehicle and method of using the same

8. 9327743 - Guideway mounted vehicle localization system

9. 9156482 - Locator loop control system and method of using the same

10. 9002546 - Control of automatic guided vehicles without wayside interlocking

11. 8989985 - Vehicle-based positioning system and method of using the same

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1/14/2026
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