% Expired Patents = 57.1

EPO Patents = 5

Forward Citations = 79

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13 inventors (with patents filed for the assignee):

Keiichi Tsuto (5 out of 12 patents)

Tetsuya Koshikawa (4 out of 4 patents)

Yuichiro Azuma (2 out of 2 patents)

4. Ayato Kawashima (2 out of 2 patents)

5. Masahide Nakayama (2 out of 2 patents)

6. Daisaku Shojo (1 out of 2 patents)

7. Tsutomu Sakai (1 out of 9 patents)

8. Hideo Yamamoto (1 out of 1 patent)

9. Takenori Hirano (1 out of 1 patent)

10. Hirohisa Kitagawa (1 out of 2 patents)

11. Kotetsu Matsunaga (1 out of 1 patent)

12. Shoi Koshikawa (1 out of 1 patent)

13. Isao Mochida (1 out of 1 patent)

14. Tetsuya c/o Revo International Inc Koshikawa (0 patent)

15. Tsutomu c/o Kansai Research Institute Inc Sakai (0 patent)

7 patents: Sort by Forward Citations

1. 12528994 - Method for decomposing organic raw material, and a method for producing a liquid fuel, a solid fuel, or activated charcoal using the same (2026-01-20),

2. 10533140 - Method for producing hydrocarbon liquid fuel (2020-01-14),

3. 7857869 - Process for producing diesel fuel oil from fat (2010-12-28),

4. 7812187 - Process for production of fatty acid alkyl ester and production apparatus for fatty acid alkyl ester (2010-10-12),

5. 7626047 - Method of producing fatty acid alkyl ester for diesel fuel oil (2009-12-01),

6. 7488837 - Process for producing fatty acid alkyl ester (2009-02-10),

7. 6960672 - Processes for producing alkyl ester of fatty acid (2005-11-01),

Company Overview

Revo International Inc. is a leading provider of innovative technology solutions for businesses worldwide. With a focus on efficiency and excellence, we offer a wide range of services including IT consulting, software development, and digital marketing. Our team of experts is dedicated to helping our clients achieve their goals through tailored solutions that drive growth and success.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#141 in Kyoto 615-0031

#5,459 in Japan

Kyoto, Japan

Revo International Inc.

Forward Citations = 79

13 inventors:

Keiichi Tsuto (5 out of 12 patents)

Tetsuya Koshikawa (4 out of 4 patents)

Yuichiro Azuma (2 out of 2 patents)

4. Ayato Kawashima (2 out of 2 patents)

5. Masahide Nakayama (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Revo International Inc.. Retrieved from https://idiyas.com/company/revo-international

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]

5 patents (EPO):

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]