Growing community of inventors

Chicago, IL, United States of America

Stephen Drake Julstrom

Average Co-Inventor Count = 1.73

ph-index = 18

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 = 1,103

Stephen Drake JulstromTimothy Scott Monroe (7 patents)Stephen Drake JulstromViorel Drambarean (5 patents)Stephen Drake JulstromRobert B Schulein (4 patents)Stephen Drake JulstromWillem Soede (3 patents)Stephen Drake JulstromMead C Killion (2 patents)Stephen Drake JulstromCharles Aldous (2 patents)Stephen Drake JulstromTim Monroe (2 patents)Stephen Drake JulstromMichael J Santucci (2 patents)Stephen Drake JulstromJohn Edward Oltman (1 patent)Stephen Drake JulstromElmer V Carlson (1 patent)Stephen Drake JulstromAndrew J Haapapuro (1 patent)Stephen Drake JulstromNorman P Matzen (1 patent)Stephen Drake JulstromMark W Gilbert (1 patent)Stephen Drake JulstromStephen Drake Julstrom (25 patents)Timothy Scott MonroeTimothy Scott Monroe (21 patents)Viorel DrambareanViorel Drambarean (38 patents)Robert B SchuleinRobert B Schulein (27 patents)Willem SoedeWillem Soede (5 patents)Mead C KillionMead C Killion (101 patents)Charles AldousCharles Aldous (5 patents)Tim MonroeTim Monroe (2 patents)Michael J SantucciMichael J Santucci (2 patents)John Edward OltmanJohn Edward Oltman (40 patents)Elmer V CarlsonElmer V Carlson (21 patents)Andrew J HaapapuroAndrew J Haapapuro (21 patents)Norman P MatzenNorman P Matzen (8 patents)Mark W GilbertMark W Gilbert (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Etymotic Research, Inc. (16 from 130 patents)

2. Shure Brothers Incorporated (6 from 55 patents)

3. Sensaphonics, Inc. (2 from 2 patents)

4. Other (1 from 832,680 patents)


25 patents:

1. 11894819 - Audio monitoring system

2. 11095965 - System and method for reducing wind noise in an electronic hearing protector

3. 10779069 - System and method for reducing wind noise in an electronic hearing protector

4. 10476609 - Telecoil hum filter

5. 9859990 - Telecoil hum filter

6. 9232292 - Electronic earplug windscreen

7. 8649540 - Electronic earplug

8. 8460816 - Rechargeable battery assemblies and methods of constructing rechargeable battery assemblies

9. 8237402 - Magnetically coupled battery charging system

10. 8174233 - Magnetically coupled battery charging system

11. 8174234 - Magnetically coupled battery charging system

12. 8160261 - Audio monitoring system

13. 8022775 - Systems and methods for maintaining a drive signal to a resonant circuit at a resonant frequency

14. 7522740 - Multi-coil coupling system for hearing aid applications

15. 7110553 - Directional microphone assembly for mounting behind a surface

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idiyas.com
as of
12/7/2025
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