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USPTO Data Jan 1 1976 - Dec 30 2025
108 Patents
#1 in Luzern
#151 in Switzerland
#7,068 in the World
De Beers Centenary Ag
Forward Citations = 2,647
14 inventors:
De Beers Centenary Ag
CIPO Patents = 1
EPO Patents = 4
Trademarks = 11
Forward Citations = 2,647
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14 inventors (with patents filed for the assignee):
Costantino Papadimitriou (90 out of 90 patents)
Chiara Colombani (8 out of 8 patents)
Francesco Ventura (5 out of 5 patents)
4. Constantino Papadimitriou (4 out of 4 patents)
5. James Gordon Charters Smith (1 out of 13 patents)
6. Graham Ralph Powell (1 out of 4 patents)
7. James G C Smith (1 out of 1 patent)
8. Jonathan G Kendall (1 out of 1 patent)
9. Peter Stanley Rose (1 out of 1 patent)
10. Maxwell R Willis (1 out of 1 patent)
11. Christopher Daws (1 out of 1 patent)
12. Sarah Louise Foster (1 out of 1 patent)
13. Siobhan Margaret D'Gama (1 out of 1 patent)
14. David Hamilton (1 out of 3 patents)
15. Alba Cappellieri (1 out of 1 patent)
Core Competencies:
Gemstone Alignment
Jewelry Design
Earring Design
Pendant Creation
Ring Manufacturing
Bracelet Innovation
Stud Earring
Gemstone Viewer
108 patents:
De Beers Centenary Ag is a leading company in diamond mining and distribution. With over a century of experience in the industry, we are known for our exceptional craftsmanship and commitment to sustainability. Our diamonds are of the highest quality and ethically sourced, making us a trusted choice for customers worldwide.
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1 patent (CIPO):
Please report any incorrect information to support@idiyas.com
4 patents (EPO):
Please report any incorrect information to support@idiyas.com