Forward Citations = 72

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11 inventors (with patents filed for the assignee):

Ralph E Isley (2 out of 9 patents)

Wayne T Wiggins (2 out of 9 patents)

Frank S Gerry (2 out of 4 patents)

4. Louis J Velenyi (1 out of 30 patents)

5. George S Li (1 out of 59 patents)

6. Robert K Grasselli (1 out of 127 patents)

7. John F Jones (1 out of 9 patents)

8. June T Duke (1 out of 10 patents)

9. Serge R Dolhyj (1 out of 40 patents)

10. Dorothy C Prem (1 out of 7 patents)

11. Andrew T Guttmann (1 out of 15 patents)

7 patents: Sort by Forward Citations

1. 4359506 - Tie layer for co-extruded acrylonitrile copolymers (1982-11-16),

2. 4355127 - Physical property improvement in nitrile resins by use of certain (1982-10-19),

3. 4351756 - Rubber-modified high nitrile copolymers with improved impact resistance (1982-09-28),

4. 4349652 - High nitrile resins containing maleic anhydride (1982-09-14),

5. 4349462 - Catalytic material (1982-09-14),

6. 4339598 - Preparation of unsaturated acids and esters from saturated carboxylic (1982-07-13),

7. 4339502 - Tie-layer for coextruded acrylonitrile copolymers (1982-07-13),

Company Overview

Sohio is a leading energy company that specializes in oil and gas exploration, production, refining, and marketing. With a strong track record of success and a commitment to sustainability, Sohio continues to drive innovation in the energy industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#206 in Cleveland, OH

#1,572 in Ohio

#39,879 in US

Cleveland, OH, United States of America

Sohio

Forward Citations = 72

11 inventors:

Ralph E Isley (2 out of 9 patents)

Wayne T Wiggins (2 out of 9 patents)

Frank S Gerry (2 out of 4 patents)

4. Louis J Velenyi (1 out of 30 patents)

5. George S Li (1 out of 59 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sohio. Retrieved from https://idiyas.com/company/sohio

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]