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Minato-ku, Japan

Cosmo Oil Co., Ltd.

USPTO Granted Patents = 163

CIPO Patents = 40

EPO Patents = 55

Trademarks = 1

Forward Citations = 768

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209 inventors (with patents filed for the assignee):

Yuichi Tanaka (19 out of 36 patents)

Kazuhiko Tasaka (19 out of 19 patents)

Yasuhiro Onishi (18 out of 18 patents)

4. Eiichi Yamada (13 out of 34 patents)

5. Marie Iwama (11 out of 18 patents)

6. Kenichi Kawazuishi (10 out of 14 patents)

7. Takashi Fujikawa (10 out of 15 patents)

8. Yuzuru Kato (10 out of 13 patents)

9. Kazushi Usui (10 out of 14 patents)

10. Tohru Tanaka (9 out of 18 patents)

11. Nobumasa Nakajima (7 out of 8 patents)

12. Atsushi Murata (7 out of 17 patents)

13. Fuyuki Yagi (7 out of 15 patents)

14. Shigenori Nakashizu (7 out of 9 patents)

15. Kazuhito Sato (6 out of 8 patents)

Core Competencies:

Molecular Structure Identification

Catalytic Cracking

Hydrogenation Catalyst

Hydroprocessing Catalyst

Hydrodesulfurization

Hydrocarbon Distillation

Fischer-Tropsch Synthesis

Plant Growth Accelerator

Catalyst Recovery System

Hydrocarbon Production

Liquid-Fuel Synthesis

Temperature Control Systems

163 patents: Sort by Forward Citations

1. 11275053 - Method and program for approximately identifying molecular structure of multicomponent mixture (2022-03-15),

2. 10915837 - Method, server, computer-readable command, and recording medium for providing recommended operation condition for plant (2021-02-09),

3. 10610856 - Catalyst for catalytic cracking of hydrocarbon oil and method for catalytic cracking of hydrocarbon oil (2020-04-07),

4. 10239048 - Hydrogenation catalyst for heavy hydrocarbon oil, production method for hydrogenation catalyst for heavy hydrocarbon oil, and hydrogenation method for heavy hydrocarbon oil (2019-03-26),

5. 10202553 - Hydroprocessing catalyst for heavy hydrocarbon oil, method for manufacturing hydroprocessing catalyst for heavy hydrocarbon oil, and hydroprocessing method for heavy hydrocarbon oil (2019-02-12),

6. 10137436 - Hydrogenation catalyst for heavy hydrocarbon oil and hydrogenation method for heavy hydrocarbon oil (2018-11-27),

7. 10076773 - Method for washing reactor (2018-09-18),

8. 9987622 - Hydrodesulfurization catalyst for diesel oil and hydrotreating method for diesel oil (2018-06-05),

9. 9920256 - Hydrocarbon compound distillation separation apparatus (2018-03-20),

10. 9908107 - Hydrogenation treatment catalyst for heavy hydrocarbon oil, and method for hydrogenation treatment of heavy hydrocarbon oil (2018-03-06),

11. 9884998 - Method of suppressing metal contamination of synthesis gas production apparatus (2018-02-06),

12. 9861966 - Catalytic cracking catalyst, process for producing the same, and method of catalytic cracking of hydrocarbon oil (2018-01-09),

13. 9845435 - Diesel fuel or diesel fuel base stock and production method thereof (2017-12-19),

14. 9839904 - Method for producing hydrogenation catalyst (2017-12-12),

15. 9776160 - Catalyst recovery system, hydrocarbon synthesis reaction apparatus, hydrocarbon synthesis reaction system, and catalyst recovery process (2017-10-03),

COSMO OIL CO., LTD. is a Japanese petroleum refining company. They are engaged in the production and sale of various petroleum products, including gasoline, diesel, heavy oil, and lubricants. With a history dating back to 1938, COSMO OIL has continued to expand its operations domestically and internationally. They focus on providing reliable energy solutions and are committed to environmental sustainability. Visit their website for more information.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

163 Patents

#4 in Minato-ku

#793 in Japan

#4,931 in the World

Minato-ku, Japan

Cosmo Oil Co., Ltd.

Forward Citations = 768

209 inventors:

Yuichi Tanaka (19 out of 36 patents)

Kazuhiko Tasaka (19 out of 19 patents)

Yasuhiro Onishi (18 out of 18 patents)

4. Eiichi Yamada (13 out of 34 patents)

5. Marie Iwama (11 out of 18 patents)

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