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Toyo Engineering Corporation

USPTO Granted Patents = 170

CIPO Patents = 16

EPO Patents = 34

Trademarks = 3

Forward Citations = 1,434

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321 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)

170 patents: Sort by Forward Citations

1. 12276465 - Heat pump and heat pump unit using same (2025-04-14),

2. 12247002 - Process and apparatus for urea production (2025-03-11),

3. 12128379 - Fluidized bed granulator or fluidized bed/spouted bed granulator (2024-10-29),

4. 12055324 - Heat pump unit (2024-08-06),

5. 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),

6. 11878957 - Process and apparatus for urea production (2024-01-23),

7. 11807460 - Chute tube for transferring particles (2023-11-07),

8. 11692771 - Process and apparatus for treating lean LNG (2023-07-04),

9. 11498895 - Process and apparatus for urea production (2022-11-15),

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

11. 11408678 - Method and apparatus for separating hydrocarbons (2022-08-09),

12. 11274256 - Apparatus for separation and recovery of hydrocarbons from LNG (2022-03-15),

13. 11145886 - Redox flow battery (2021-10-12),

14. 11143441 - Closed loop refrigeration system (2021-10-12),

15. 10894764 - Method for granulating urea (2021-01-19),

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 - Dec 2 2025

170 Patents

#349 in Tokyo

#766 in Japan

#4,728 in the World

Toyo Engineering Corporation

Forward Citations = 1,434

321 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)

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