Hitosi Someda

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Yachiyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing high purity oxygen gas from air
- Patent number 4,985,052
- Issue date Jan 15, 1991
- Seitetsu Kagaku Co., Ltd.
- Kazuo Haruna
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for recovering oxygen enriched gas
- Patent number 4,917,710
- Issue date Apr 17, 1990
- Sumitomo Seika Chemicals Co., Ltd.
- Kazuo Haruna
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL