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Osaka Oxygen Industries, Ltd.

USPTO Granted Patents = 8

Forward Citations = 205

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27 inventors (with patents filed for the assignee):

Sigeo Matsui (3 out of 3 patents)

Susumu Sakaguchi (2 out of 9 patents)

Yutaka Nakano (2 out of 2 patents)

4. Naoaki Sasaki (2 out of 2 patents)

5. Zenzi Hagiwara (2 out of 3 patents)

6. Shigeru Suzuki (1 out of 7 patents)

7. Shigeki Hayashi (1 out of 19 patents)

8. Zenji Hagiwara (1 out of 15 patents)

9. Yutaka Tsuchida (1 out of 16 patents)

10. Toru Sato (1 out of 11 patents)

11. Akira Kamei (1 out of 1 patent)

12. Yamanaka, Yoshio (1 out of 1 patent)

13. Ryoichiro Imai (1 out of 1 patent)

14. Hisami Tokunaga (1 out of 1 patent)

15. Takao Kawawa (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 4519813 - Process for extraction of highly purified oxygen (1985-05-28),

2. 4468238 - Process for removing a nitrogen gas from mixture comprising N.sub.2 and (1984-08-28),

3. 4451350 - Sensor for measuring density of oxygen in molten metal (1984-05-29),

4. 4331455 - Method of producing oxygen rich gas utilizing an oxygen concentrator (1982-05-25),

5. 4307067 - Process for deodorizing exhaust gas containing smelly components (1981-12-22),

6. 4215008 - Rare earth-containing alloys and method for purification of hydrogen gas (1980-07-29),

7. 4154364 - Thermally insulating containers for liquefied gases (1979-05-15),

8. 4141812 - Oxygen sensors (1979-02-27),

Osaka Oxygen Industries, Ltd. is a leading manufacturer of industrial gases and related equipment in Japan. With over 50 years of experience, we provide a wide range of products and services to various industries including healthcare, manufacturing, and research. Our commitment to quality and innovation has made us a trusted partner for our customers worldwide.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

8 Patents

#469 in Osaka

#4,915 in Japan

Osaka Oxygen Industries, Ltd.

Forward Citations = 205

27 inventors:

Sigeo Matsui (3 out of 3 patents)

Susumu Sakaguchi (2 out of 9 patents)

Yutaka Nakano (2 out of 2 patents)

4. Naoaki Sasaki (2 out of 2 patents)

5. Zenzi Hagiwara (2 out of 3 patents)

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