Average Co-Inventor Count = 3.05
ph-index = 10
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.
Company Filing History:
1. Zumtobel Lighting Gmbh & Co. Kg (4 from 25 patents)
2. Zumtobel Lighting Gmbh (3 from 202 patents)
3. Steelcase Inc. (1 from 1,810 patents)
4. Herman Miller, Inc. (1 from 605 patents)
5. Zumtobel Staff Gmbh Co., Kg (1 from 20 patents)
6. Keilhauer (partnership) (1 from 3 patents)
7. Keilhauer Ltd. (1 from 2 patents)
8. Walter Knoll Ag & Co. Kg (1 from 2 patents)
9. Bergmann, Bohmann, Grundl - Design Gmbh (1 from 1 patent)
10. Duravit Aktiengesellschaft (61 patents)
11. Bulthaup Gmbh & Co Kg (20 patents)
14 patents:
1. D901921 - Furniture article
2. 9833074 - Functional chair
3. 9585479 - Seat pan-based spring tilt mechanism
4. D748313 - Spotlight
5. D747823 - Spotlight
6. D631588 - Light
7. 7762688 - Luminaire comprising a spotlight and adjustable holding device for a spotlight
8. D599943 - LED lighting fixture
9. 7547067 - Tilt and swivel chair and mechanism therefor
10. D587918 - Modular lounge group
11. D587832 - LED lighting fixture
12. D584443 - LED lighting fixture
13. D566873 - Spotlight
14. D388660 - Drinking cup with cover and opener for beverage tins