Growing community of inventors

Oxford, MI, United States of America

Robert C Stempel

Average Co-Inventor Count = 2.19

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 = 149

Robert C StempelStanford R Ovshinsky (7 patents)Robert C StempelRichard O Geiss (1 patent)Robert C StempelIan Kinoshta (1 patent)Robert C StempelBruce A Webster (1 patent)Robert C StempelRobert C Stempel (7 patents)Stanford R OvshinskyStanford R Ovshinsky (324 patents)Richard O GeissRichard O Geiss (2 patents)Ian KinoshtaIan Kinoshta (1 patent)Bruce A WebsterBruce A Webster (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ovonic Battery Company, Inc. (6 from 114 patents)

2. Energy Conversion Devices, Inc. (1 from 429 patents)


7 patents:

1. 7226675 - Very low emission hybrid electric vehicle incorporating an integrated propulsion system including a fuel cell and a high power nickel metal hydride battery pack

2. 6837321 - Hybrid electric vehicle incorporating an integrated propulsion system

3. 6820706 - Method and system for hydrogen powered internal combustion engine

4. 6759034 - Very low emission hybrid electric vehicle incorporating an integrated propulsion system including a hydrogen powered internal combustion engine and a high power Ni-MH battery pack

5. 6565836 - Very low emission hybrid electric vehicle incorporating an integrated propulsion system including a hydrogen powered internal combustion engine and a high power Ni-MH battery pack

6. 6557655 - Hybrid electric vehicle

7. 6330925 - Hybrid electric vehicle incorporating an integrated propulsion system

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/8/2025
Loading…