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Dripping Springs, TX, United States of America

Joel E Sandahl

Average Co-Inventor Count = 2.00

ph-index = 4

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 = 34

Joel E SandahlRussell M Troxel (5 patents)Joel E SandahlJoel E Sandahl (5 patents)Russell M TroxelRussell M Troxel (5 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Valence Technology, Inc. (3 from 260 patents)

2. Lithium Werks Technology Bv (1 from 6 patents)

3. Lithion Battery Inc. (1 from 3 patents)


5 patents:

1. 11289918 - Batteries, battery systems, battery submodules, battery operational methods, battery system operational methods, battery charging methods, and battery system charging methods

2. 10230246 - Batteries, battery systems, battery submodules, battery operational methods, battery system operational methods, battery charging methods, and battery system charging methods

3. 9537326 - Batteries, battery systems, battery submodules, battery operational methods, battery system operational methods, battery charging methods, and battery system charging methods

4. 8884585 - Batteries, battery systems, battery submodules, battery operational methods, battery system operational methods, battery charging methods, and battery system charging methods

5. 8823323 - Batteries, battery systems, battery submodules, battery operational methods, battery system operational methods, battery charging methods, and battery system charging methods

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as of
12/5/2025
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