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For the Inventor, By the Inventor

Tokyo, Japan

Mocal Energy Limited

Calculating rank
USPTO Granted Patents = 19

% Expired Patents = 31.6


Forward Citations = 324

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40 inventors (with patents filed for the assignee):

goldMedal Waldemar Maciejewski (6 out of 6 patents)

silverMedal George Cymerman (5 out of 9 patents)

bronzeMedal Jim McTurk (4 out of 5 patents)

4.  Derrick Kershaw (4 out of 4 patents)

5.  Edward W Chan (3 out of 3 patents)

6.  Michael Carniato (2 out of 8 patents)

7.  Ron Cleminson (2 out of 9 patents)

8.  Ken N Sury (2 out of 12 patents)

9.  David Fudge (2 out of 3 patents)

10.  Brian Knapper (1 out of 6 patents)

11.  Barry Bara (1 out of 12 patents)

12.  Jonathan Spence (1 out of 12 patents)

13.  Keng Chung (1 out of 7 patents)

14.  Robert Siy (1 out of 5 patents)

15.  Khaled Obaia (1 out of 5 patents)


19 patents:

1. 8388831 - Compact slurry preparation system for oil sand (2013-03-05),
2. 7984866 - Relocatable oil sand slurry preparation system (2011-07-26),
3. 7763166 - Relocatable countercurrent decantation system (2010-07-27),
4. 7481318 - Apparatus and process for coalescing bitumen in an oil sand slurry (2009-01-27),
5. 7431830 - Compact slurry preparation system for oil sand (2008-10-07),
6. 7025874 - Nozzle/mixer assembly (2006-04-11),
7. 6119870 - Cycloseparator for removal of coarse solids from conditioned oil sand (2000-09-19),
8. 6076753 - Agitated slurry pump box for oil sand hydrotransport (2000-06-20),
9. 6027056 - Slurrying oil sand for hydrotransport in a pipeline (2000-02-22),
10. 6007708 - Cold dense slurrying process for extracting bitumen from oil sand (1999-12-28),
11. 6003789 - Nozzle for atomizing liquid in two phase flow (1999-12-21),
12. 5988198 - Process for pumping bitumen froth through a pipeline (1999-11-23),
13. 5954277 - Agitated slurry pump box for oil sand hydrotransport (1999-09-21),
14. 5876592 - Solvent process for bitumen separation from oil sands froth (1999-03-02),
15. 5772127 - Slurrying oil sand for hydrotransport in a pipeline (1998-06-30),
Company Overview
Mocal Energy Limited is a Tokyo-based company specializing in innovative energy solutions and technologies. The organization focuses on the development of advanced energy systems, including renewable energy sources and energy storage solutions, aimed at enhancing efficiency and sustainability. With a commitment to research and development, Mocal Energy is dedicated to addressing the evolving energy needs of various sectors, contributing to a greener future through cutting-edge technology and strategic partnerships.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

19 Patents

#1,384 in Tokyo

#3,044 in Japan

#32,726 in the World

Tokyo, JP
Tokyo, Japan

Mocal Energy Limited

Forward Citations = 324

40 inventors:

goldMedal Waldemar Maciejewski (6 out of 6 patents)

silverMedal George Cymerman (5 out of 9 patents)

bronzeMedal Jim McTurk (4 out of 5 patents)

4.  Derrick Kershaw (4 out of 4 patents)

5.  Edward W Chan (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mocal Energy Limited. Retrieved from https://idiyas.com/company/mocal-energy

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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