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Toyo Engineering Corporation

USPTO Granted Patents = 171

% Expired Patents = 11.1

CIPO Patents = 4

EPO Patents = 32

Trademarks = 1

Forward Citations = 1,456

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302 inventors (with patents filed for the assignee):

Yasuhiko Kojima (12 out of 15 patents)

Kozo Ohsaki (12 out of 12 patents)

Hidetsugu Fujii (11 out of 12 patents)

4. Haruyuki Morikawa (9 out of 9 patents)

5. Tetsuzo Honda (9 out of 9 patents)

6. Toshihiro Wakabayashi (8 out of 10 patents)

7. Katsutoshi Kikuchi (8 out of 8 patents)

8. Tadayoshi Tomita (8 out of 8 patents)

9. Takato Nakao (7 out of 7 patents)

10. Tetsuo Maeda (7 out of 7 patents)

11. Keizo Konoki (7 out of 7 patents)

12. Keigo Sasaki (6 out of 6 patents)

13. Genshi Nishikawa (6 out of 6 patents)

14. Kenji Sakai (6 out of 7 patents)

15. Kenichiro Matsuba (6 out of 6 patents)

Core Competencies:

Urea Manufacturing

Heat Pump

Hydrocarbon Separation

Fluidized Bed Granulator

Aqueous Solution Treatment

Distillation Apparatus

Reactor

Polymer Resin

Hydrocracking Catalyst

Wastewater Treatment

Gasification

Dimethyl Ether Production

171 patents: Sort by Forward Citations

1. 12510060 - Method for storing compressed air energy (2025-12-30),

2. 12276465 - Heat pump and heat pump unit using same (2025-04-14),

3. 12247002 - Process and apparatus for urea production (2025-03-11),

4. 12128379 - Fluidized bed granulator or fluidized bed/spouted bed granulator (2024-10-29),

5. 12055324 - Heat pump unit (2024-08-06),

6. 12044642 - Method and device for estimating outer surface temperature of radiant coil of cracking furnace for ethylene production and ethylene producing device (2024-07-23),

7. 11878957 - Process and apparatus for urea production (2024-01-23),

8. 11807460 - Chute tube for transferring particles (2023-11-07),

9. 11692771 - Process and apparatus for treating lean LNG (2023-07-04),

10. 11498895 - Process and apparatus for urea production (2022-11-15),

11. 11465069 - Diabatic distillation column (2022-10-11),

12. 11408678 - Method and apparatus for separating hydrocarbons (2022-08-09),

13. 11274256 - Apparatus for separation and recovery of hydrocarbons from LNG (2022-03-15),

14. 11145886 - Redox flow battery (2021-10-12),

15. 11143441 - Closed loop refrigeration system (2021-10-12),

Toyo Engineering Corporation is a global engineering company that provides EPC (Engineering, Procurement, and Construction) services primarily for the oil and gas industry. With over 50 years of experience, Toyo Engineering has established a strong reputation for delivering high-quality, reliable, and cost-effective solutions to its clients worldwide. The company's expertise spans various areas including refinery, petrochemical, chemical, and LNG (liquefied natural gas) projects. Toyo Engineering is committed to sustainable and innovative engineering practices to contribute to the development of a sustainable society.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

Toyo Engineering Corporation

171 Patents

#396 in Tokyo

#785 in Japan

#4,832 in the World

Toyo Engineering Corporation

Forward Citations = 1,456

302 inventors:

Yasuhiko Kojima (12 out of 15 patents)

Kozo Ohsaki (12 out of 12 patents)

Hidetsugu Fujii (11 out of 12 patents)

4. Haruyuki Morikawa (9 out of 9 patents)

5. Tetsuzo Honda (9 out of 9 patents)

Please report any incorrect information to [email protected]

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