Growing community of inventors

Milwaukie, OR, United States of America

David L Brown

Average Co-Inventor Count = 3.05

ph-index = 16

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 = 437

David L Brown ↔ Henry Young Chin (16 patents)David L Brown ↔ Penelope C Yao (16 patents)David L Brown ↔ Fred T Mattern (1 patent)David L BrownDavid L Brown (16 patents)Henry Young ChinHenry Young Chin (59 patents)Penelope C YaoPenelope C Yao (19 patents)Fred T MatternFred T Mattern (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tektronix, Inc. (15 from 2,727 patents)

2. Textronix, Inc. (1 from 7 patents)


16 patents:

1. D416936 - Solid ink stick for a color printer

2. D413625 - Solid ink stick for a color printer

3. D410026 - Solid ink stick for a color printer

4. D409235 - Solid ink stick for a color printer

5. D408849 - Solid ink stick for a color printer

6. D407745 - Solid ink stick for a color printer

7. D407742 - Solid ink stick for a color printer

8. D407743 - Solid ink stick for a color printer

9. D407112 - Solid ink stick for a color printer

10. D407109 - Solid ink stick for a color printer

11. D407111 - Solid ink stick for a color printer

12. D407110 - Solid ink stick for a color printer

13. D403699 - Solid ink stick for a color printer

14. D403352 - Solid ink stick for a color printer

15. D403351 - Solid ink stick for a color printer

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as of
12/12/2025
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