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Research Association for Petroleum Alternatives Development

USPTO Granted Patents = 15

Forward Citations = 181

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27 inventors (with patents filed for the assignee):

Kozo Takatsu (5 out of 5 patents)

Nobuyuki Morimoto (3 out of 3 patents)

Michio Sugimoto (3 out of 3 patents)

4. Masatoshi Shibata (2 out of 18 patents)

5. Tetsuya Imai (2 out of 7 patents)

6. Minoru Koikeda (2 out of 2 patents)

7. Yoshinobu Aoki (2 out of 2 patents)

8. Soichi Uchiyama (2 out of 2 patents)

9. Noboru Kawata (2 out of 2 patents)

10. Takashi Suzuki (2 out of 86 patents)

11. Toshio Itoh (1 out of 5 patents)

12. Tomohiro Yoshinari (1 out of 10 patents)

13. Hiroshi Fujita (1 out of 7 patents)

14. Toshio Ito (1 out of 1 patent)

15. Takashi Yamamoto (1 out of 40 patents)

15 patents: Sort by Forward Citations

1. 5061362 - Process for hydrogenation of heavy oil (1991-10-29),

2. 5008001 - Process for hydrogenation of heavy oil (1991-04-16),

3. 4948773 - Amphora particulate catalyst-support and a method for the preparation of (1990-08-14),

4. 4837000 - Crystalline silicates and process for the production thereof (1989-06-06),

5. 4822737 - Process for producing ethanol by fermentation (1989-04-18),

6. 4766263 - Hydrocarbon synthesis process utilizing crystalline aluminosilicate (1988-08-23),

7. 4728672 - Process for producing hydrocarbons (1988-03-01),

8. 4698449 - Crystalline silicates, and processes for the production or use thereof (1987-10-06),

9. 4695440 - Crystalline aluminosilicate ISI-6 (1987-09-22),

10. 4673693 - Process for preparing oxygen-containing organic compounds (1987-06-16),

11. 4657750 - Process for the production of crystalline silicate ISI-4 using ethylene (1987-04-14),

12. 4622308 - Catalyst for the production of hydrocarbons from the synthesis gas (1986-11-11),

13. 4582858 - Process for the production of mixed alcohols (1986-04-15),

14. 4578259 - Process for preparing a crystalline aluminosilicate (1986-03-25),

15. 4564643 - Process for the production of mixed alcohols (1986-01-14),

Research Association for Petroleum Alternatives Development (RAPAD) is a non-profit organization dedicated to advancing the development of alternative fuels for the petroleum industry. With a focus on research and innovation, RAPAD works to create sustainable solutions for the energy industry through collaboration with industry partners and academic institutions.

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

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USPTO Data Jan 1 1976 - Jan 6 2026

15 Patents

#1,342 in Tokyo

#3,367 in Japan

#38,742 in the World

Research Association for Petroleum Alternatives Development

Forward Citations = 181

27 inventors:

Kozo Takatsu (5 out of 5 patents)

Nobuyuki Morimoto (3 out of 3 patents)

Michio Sugimoto (3 out of 3 patents)

4. Masatoshi Shibata (2 out of 18 patents)

5. Tetsuya Imai (2 out of 7 patents)

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