Growing community of inventors

Edmonton, Canada

Yi-Cheng Long

Average Co-Inventor Count = 2.40

ph-index = 2

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 = 143

Yi-Cheng Long ↔ Robert N Tipman (1 patent)Yi-Cheng Long ↔ William Edward Shelfantook (1 patent)Yi-Cheng Long ↔ Robert Tipman (1 patent)Yi-Cheng LongYi-Cheng Long (2 patents)Robert N TipmanRobert N Tipman (3 patents)William Edward ShelfantookWilliam Edward Shelfantook (1 patent)Robert TipmanRobert Tipman (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,891 patents)

2. Her Majesty the Queen in Right of Canada, As Represented by the Minister (1 from 536 patents)

3. Petro-canada (1 from 52 patents)

4. Canadian Occidental Petroleum Ltd. (1 from 36 patents)

5. Pan Canadian Petroleum Limited (1 from 31 patents)

6. Esso Resources Canada Limited (1 from 30 patents)

7. Gulf Canada Resources Limited (1 from 26 patents)

8. Alberta Energy Company Ltd. (1 from 25 patents)

9. Murphy Oil Company Ltd. (1 from 21 patents)

10. Mocal Energy Limited (1 from 19 patents)

11. Hbog-oil Sands Limited (1 from 2 patents)


2 patents:

1. 6214213 - Solvent process for bitumen seperation from oil sands froth

2. 5876592 - Solvent process for bitumen separation from oil sands froth

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idiyas.com
as of
12/31/2025
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