For the Inventor, By the Inventor

Enter assignee name

Stockholm, Sweden

Opticast Ab

USPTO Granted Patents = 2

Forward Citations = 16

Loading Chart...

Loading Chart...

6 inventors (with patents filed for the assignee):

Guocai Chai (1 out of 9 patents)

Lennart Bäckerud (1 out of 2 patents)

Lars Arnberg (1 out of 3 patents)

4. Lennart Backerud (1 out of 1 patent)

5. Mats Johnsson (1 out of 1 patent)

6. Geoffrey Sigworth (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 6267829 - Method of reducing the formation of primary platelet-shaped beta-phase in iron containing alSi-alloys, in particular in Al-Si-Mn-Fe alloys (2001-07-31),

2. 6073677 - Method for optimization of the grain refinement of aluminum alloys (2000-06-13),

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

2 Patents

#291 in Stockholm

#2,181 in Sweden

Stockholm, Sweden

Opticast Ab

Forward Citations = 16

6 inventors:

Guocai Chai (1 out of 9 patents)

Lennart Bäckerud (1 out of 2 patents)

Lars Arnberg (1 out of 3 patents)

4. Lennart Backerud (1 out of 1 patent)

5. Mats Johnsson (1 out of 1 patent)

Please report any incorrect information to [email protected]

Loading…