Growing community of inventors

Berlin, Germany

Roland Zwick

Average Co-Inventor Count = 3.09

ph-index = 7

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 = 133

Roland ZwickCarola Zwick (25 patents)Roland ZwickJohann Burkhard Schmitz (21 patents)Roland ZwickBurkhard Schmitz (4 patents)Roland ZwickClaudia Plikat (3 patents)Roland ZwickBurkhard Schmitz (2 patents)Roland ZwickClaudia Plikat (0 patent)Roland ZwickRoland Zwick (25 patents)Carola ZwickCarola Zwick (25 patents)Johann Burkhard SchmitzJohann Burkhard Schmitz (68 patents)Burkhard SchmitzBurkhard Schmitz (11 patents)Claudia PlikatClaudia Plikat (48 patents)Burkhard SchmitzBurkhard Schmitz (2 patents)Claudia PlikatClaudia Plikat (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Millerknoll, Inc. (13 from 116 patents)

2. Herman Miller, Inc. (8 from 605 patents)

3. Other (3 from 832,680 patents)

4. Plikat, Claudia (0 patent)

5. Schmitz, Burkhard (0 patent)

6. Zwick, Roland (0 patent)

7. Zwick, Carola (0 patent)

8. Schmitz, Johann Burkhard (0 patent)


25 patents:

1. 12207735 - Cover assembly for a chair

2. D1055608 - Footrest

3. D1040566 - Chair cover

4. 11969094 - Chair

5. D1015039 - Chair

6. D1000880 - Chair

7. 11761201 - Partition wall

8. D985989 - Chair

9. D977887 - Chair

10. D970912 - Chair

11. D959180 - Chair

12. D946954 - Chair

13. D946953 - Chair

14. D946955 - Chair

15. 11166569 - Chair

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as of
12/7/2025
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