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For the Inventor, By the Inventor

Kuala Lumpur, Malaysia

Petroliam Nasional Berhad

Calculating rank
USPTO Granted Patents = 23

% Expired Patents = 8.7



Trademarks = 1

Forward Citations = 100

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55 inventors (with patents filed for the assignee):

goldMedal Daniel B Garbark (5 out of 36 patents)

silverMedal Herman P Benecke (5 out of 40 patents)

bronzeMedal Azmi B Osman (4 out of 4 patents)

4.  Kenneth Richard Seddon (3 out of 42 patents)

5.  John Holbrey (3 out of 3 patents)

6.  Adam T Lee (2 out of 24 patents)

7.  Zainab Kayat (2 out of 3 patents)

8.  Markus Fanselow (2 out of 2 patents)

9.  Kinzo Kishida (1 out of 24 patents)

10.  David Wassell (1 out of 4 patents)

11.  Sultan @ Maung Maung Myo Thant Feroz (1 out of 1 patent)

12.  Mohd Shahrul Amir S Zamberi (1 out of 1 patent)

13.  Aida Azni Zulkifli (1 out of 1 patent)

14.  Duhita Sharma (1 out of 1 patent)

15.  Normawati Samsodin (1 out of 2 patents)


23 patents:

1. 11835598 - Magnetic field measurement cable and distributed-type well inside magnetic field measurement system (2023-12-05),
2. 11572509 - Ionic liquids formulation as an environmentally friendly oil dispersant (2023-02-07),
3. 11453815 - Pumpable geopolymer cement (2022-09-27),
4. 10654791 - Composition of matter polyols for polyurethane applications (2020-05-19),
5. 10215705 - Fiber optic system for measuring a multiphase flow (2019-02-26),
6. 10131616 - Lubricant composition of matter and methods of preparation (2018-11-20),
7. 9885006 - Preparation of biopolyol esters for lubricant application (2018-02-06),
8. 9751841 - Process for the preparation of chalcogene compounds (2017-09-05),
9. 9505701 - Method for the production of esters and uses thereof (2016-11-29),
10. 9302976 - Bio-polyols for bio-lubricant and bio-polymer and methods for the preparation thereof (2016-04-05),
11. 9260372 - Method for the production of polyols and uses thereof (2016-02-16),
12. 9200511 - Enhanced dynamic well model for reservoir pressure determination (2015-12-01),
13. 8734744 - Separation of gases (2014-05-27),
14. 8637661 - Conversion method (2014-01-28),
15. 8637660 - Conversion method (2014-01-28),
Company Overview
Petroliam Nasional Berhad, commonly known as PETRONAS, is a Malaysian oil and gas company that plays a pivotal role in the energy sector. The organization specializes in the exploration, production, and distribution of petroleum and natural gas, alongside refining and marketing these resources. PETRONAS is also involved in various energy-related research and development initiatives, focusing on sustainable practices and innovative technologies to enhance energy efficiency and reduce environmental impact. Its operations extend across multiple regions, contributing significantly to the global energy landscape.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Petroliam Nasional Berhad USPTO Patent Assignee Logo
23 Patents

#4 in Kuala Lumpur

#27 in Malaysia

#27,736 in the World

Kuala Lumpur, MY
Kuala Lumpur, Malaysia

Petroliam Nasional Berhad

Forward Citations = 100

55 inventors:

goldMedal Daniel B Garbark (5 out of 36 patents)

silverMedal Herman P Benecke (5 out of 40 patents)

bronzeMedal Azmi B Osman (4 out of 4 patents)

4.  Kenneth Richard Seddon (3 out of 42 patents)

5.  John Holbrey (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Petroliam Nasional Berhad. Retrieved from https://idiyas.com/company/petroliam-nasional-berhad

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]
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