logo

For the Inventor, By the Inventor

Tokyo, Japan

Toyo Engineering Corporation

Calculating rank
USPTO Granted Patents = 171

% Expired Patents = 11.1



Trademarks = 1

Forward Citations = 1,469

Loading Chart...
Loading Chart...

302 inventors (with patents filed for the assignee):

goldMedal Yasuhiko Kojima (12 out of 15 patents)

silverMedal Kozo Ohsaki (12 out of 12 patents)

bronzeMedal Hidetsugu Fujii (11 out of 12 patents)

4.  Haruyuki Morikawa (9 out of 9 patents)

5.  Toshihiro Wakabayashi (9 out of 10 patents)

6.  Tetsuzo Honda (9 out of 9 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:

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),
Company Overview
Toyo Engineering Corporation, headquartered in Tokyo, specializes in the development and manufacturing of advanced technologies for urea production. The company focuses on core areas such as urea manufacturing processes, hydrocarbon separation, and fluidized bed granulation. Additionally, Toyo Engineering is involved in the design and implementation of various chemical engineering solutions, including distillation apparatus and reactors, as well as polymer resin technologies. Its innovations contribute significantly to the efficiency and sustainability of chemical production in the global market.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

Toyo Engineering Corporation USPTO Patent Assignee Logo
171 Patents

#398 in Tokyo

#790 in Japan

#4,853 in the World

Tokyo, JP
Tokyo, Japan

Toyo Engineering Corporation

Forward Citations = 1,469

302 inventors:

goldMedal Yasuhiko Kojima (12 out of 15 patents)

silverMedal Kozo Ohsaki (12 out of 12 patents)

bronzeMedal Hidetsugu Fujii (11 out of 12 patents)

4.  Haruyuki Morikawa (9 out of 9 patents)

5.  Toshihiro Wakabayashi (9 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toyo Engineering Corporation. Retrieved from https://idiyas.com/company/toyo-engineering

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]
Loading…