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Sanraku-ocean Co., Ltd.

USPTO Granted Patents = 37

Forward Citations = 271

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51 inventors (with patents filed for the assignee):

Tomoyuki Ishikura (18 out of 31 patents)

Tomio Takeuchi (15 out of 186 patents)

Hamao Umezawa (13 out of 203 patents)

4. Toshikazu Oki (10 out of 61 patents)

5. Kageaki Kouno (10 out of 11 patents)

6. Taiji Inui (9 out of 20 patents)

7. Yasuo Fukagawa (8 out of 14 patents)

8. Takeo Yoshioka (7 out of 41 patents)

9. Akihiro Yoshimoto (7 out of 13 patents)

10. Rokuro Okamoto (6 out of 20 patents)

11. Akira Takamatsu (5 out of 13 patents)

12. Yasushi Okumura (5 out of 5 patents)

13. Kazuhiko Okamura (5 out of 6 patents)

14. Joseph Lein (5 out of 5 patents)

15. Yasutaka Shimauchi (5 out of 6 patents)

37 patents: Sort by Forward Citations

1. 4680263 - Continuous alcohol manufacturing process using immobilized microorganism (1987-07-14),

2. 4615980 - Plasmid pOA15 (1986-10-07),

3. 4536397 - Antibiotics, neoviridogriseins, and their method of production (1985-08-20),

4. 4528397 - Aminocarboxylic acid derivatives (1985-07-09),

5. 4517127 - .beta.-Lactam derivatives and process for production thereof (1985-05-14),

6. 4508648 - Phosphoric ester of antibiotic OA-6129 (1985-04-02),

7. 4506085 - .beta.-Aminoacid derivatives and process for production thereof (1985-03-19),

8. 4474945 - Anthracycline antibiotics (1984-10-02),

9. 4463171 - Derivatives of macrolide antibiotics (1984-07-31),

10. 4456592 - Antibiotics, neoviridogriseins, and their method of production (1984-06-26),

11. 4451401 - Antibiotics and process for production thereof (1984-05-29),

12. 4439603 - Anthracycline derivatives of .beta.-rhodomycinone glycosides (1984-03-27),

13. 4438201 - Amidohydrolase having ability to depantothenylate an antibiotic (1984-03-20),

14. 4426390 - Novel .beta.-lactam compounds, process for producing thereof, and use (1984-01-17),

15. 4424342 - Anthracycline antibiotic compounds (1984-01-03),

Sanraku-ocean Co., Ltd. is a global seafood trading company based in Japan. With a rich history dating back to 1975, we specialize in the import and export of high-quality seafood products. We are committed to delivering the finest seafood sourced from all over the world, while prioritizing sustainability and environmental responsibility. Our extensive network of suppliers and customers allows us to provide a wide range of seafood options, including fresh and frozen fish, shellfish, and marine products. At Sanraku-ocean, we constantly strive to exceed our customers' expectations with our dedication to quality, reliability, and exceptional service.

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

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USPTO Data Jan 1 1976 - Dec 16 2025

37 Patents

#847 in Tokyo

#2,010 in Japan

#17,710 in the World

Sanraku-ocean Co., Ltd.

Forward Citations = 271

51 inventors:

Tomoyuki Ishikura (18 out of 31 patents)

Tomio Takeuchi (15 out of 186 patents)

Hamao Umezawa (13 out of 203 patents)

4. Toshikazu Oki (10 out of 61 patents)

5. Kageaki Kouno (10 out of 11 patents)

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