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Research Association for Residual Oil Processing

USPTO Granted Patents = 16

Forward Citations = 179

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41 inventors (with patents filed for the assignee):

Ryuichiro Iwamoto (4 out of 11 patents)

Kinya Tawara (3 out of 6 patents)

Satoshi Nakai (3 out of 6 patents)

4. Teruo Suzuka (3 out of 9 patents)

5. Shirou Aizawa (3 out of 8 patents)

6. Yukio Inoue (3 out of 5 patents)

7. Akira Iino (2 out of 9 patents)

8. Kazushi Usui (2 out of 14 patents)

9. Ikusei Nakamura (2 out of 2 patents)

10. Takashi Ino (2 out of 2 patents)

11. Tomonori Shioiri (2 out of 2 patents)

12. Kenji Mori (1 out of 6 patents)

13. Hiroshi Aida (1 out of 18 patents)

14. Shigenori Nakashizu (1 out of 9 patents)

15. Tomohiro Yoshinari (1 out of 10 patents)

16 patents: Sort by Forward Citations

1. 5338437 - Method for hydrocracking a heavy hydrocarbon oil utilizing a faujasite (1994-08-16),

2. 5207893 - Hydrocracking process employing a novel iron-containing aluminosilicate (1993-05-04),

3. 5141737 - Iron-containing aluminosilicate (1992-08-25),

4. 5139984 - Faujasite-type aluminosilicates, a method of producing the same, and (1992-08-18),

5. 4981832 - Catalyst composition for hydrogenation of heavy hydrocarbon oil and (1991-01-01),

6. 4836909 - Process of thermally cracking heavy petroleum oil (1989-06-06),

7. 4732886 - Hydrogen treating catalyst for hydrodesulfurization-cracking of mineral (1988-03-22),

8. 4622127 - Method for the hydrogenation treatment of a heavy hydrocarbon oil (1986-11-11),

9. 4585748 - Crystalline catalyst compositions for the conversion of hydrocarbons (1986-04-29),

10. 4556478 - Hydrocarbon conversion process and catalyst composition (1985-12-03),

11. 4515902 - Hydrocarbon conversion catalyst and process for preparing same (1985-05-07),

12. 4446008 - Process for hydrocracking of heavy oils with iron containing (1984-05-01),

13. 4421635 - Process for simultaneously cracking heavy hydrocarbons into light oils (1983-12-20),

14. 4420332 - Process for the production of reduced iron and thermal cracking of heavy (1983-12-13),

15. 4399023 - Process for simultaneously cracking heavy hydrocarbons into light oils (1983-08-16),

Research Association for Residual Oil Processing focuses on advancing technologies for converting residual oil into valuable products. Our research aims to improve both the environmental impact and economic feasibility of oil processing. Through collaborations with industry partners, we strive to develop innovative solutions for refining and utilizing residual oil resources.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

16 Patents

#1,306 in Tokyo

#3,266 in Japan

#36,676 in the World

Research Association for Residual Oil Processing

Forward Citations = 179

41 inventors:

Ryuichiro Iwamoto (4 out of 11 patents)

Kinya Tawara (3 out of 6 patents)

Satoshi Nakai (3 out of 6 patents)

4. Teruo Suzuka (3 out of 9 patents)

5. Shirou Aizawa (3 out of 8 patents)

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