Growing community of inventors

Redwood City, CA, United States of America

Johnny D Couch

Average Co-Inventor Count = 3.79

ph-index = 9

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 = 384

Johnny D CouchSarah M Richmond (9 patents)Johnny D CouchGregory H Hunter (8 patents)Johnny D CouchJohn D Gundlach (8 patents)Johnny D CouchIra L Velinsky (8 patents)Johnny D CouchStephen K Guerrera (6 patents)Johnny D CouchToshinori Date (2 patents)Johnny D CouchJames L Huether (2 patents)Johnny D CouchMasanori Kudou (2 patents)Johnny D CouchSteven Kevin Guerrera (2 patents)Johnny D CouchSarah Mason (1 patent)Johnny D CouchMasanori Kodou (1 patent)Johnny D CouchSarah M Richamond (1 patent)Johnny D CouchJohnny D Couch (13 patents)Sarah M RichmondSarah M Richmond (9 patents)Gregory H HunterGregory H Hunter (25 patents)John D GundlachJohn D Gundlach (10 patents)Ira L VelinskyIra L Velinsky (8 patents)Stephen K GuerreraStephen K Guerrera (13 patents)Toshinori DateToshinori Date (9 patents)James L HuetherJames L Huether (4 patents)Masanori KudouMasanori Kudou (3 patents)Steven Kevin GuerreraSteven Kevin Guerrera (2 patents)Sarah MasonSarah Mason (1 patent)Masanori KodouMasanori Kodou (1 patent)Sarah M RichamondSarah M Richamond (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sega Enterprises, Ltd. (12 from 264 patents)

2. Sega of America, Inc. (1 from 12 patents)


13 patents:

1. 6153843 - Hand held control key device including multiple switch arrangements

2. 6033309 - Peripheral input device with six-axis capability

3. 5786807 - Convertible peripheral input device

4. 5781180 - Convertible peripheral device

5. 5749577 - Perpheral input device with six-axis capability

6. 5644113 - Hand held control key device including multiple switch arrangements

7. D378931 - Control pad with control stick

8. D378768 - Control pad with control stick

9. D376392 - Control pad

10. D372053 - Control stick

11. D370941 - Control pad with dual control sticks

12. D369835 - Control stick and base

13. D368285 - Control pad

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as of
12/6/2025
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