Kanji Ueda

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating gas and regenerating catalyst portion by portion
- Patent number 5,254,512
- Issue date Oct 19, 1993
- Sumitomo Seika Chemicals Co., Ltd.
- Kanji Ueda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for separating and recovering carbonic acid gas from gas mi...
- Patent number 4,986,835
- Issue date Jan 22, 1991
- Seitetsu Kagaku Co., Ltd.
- Masaru Uno
- C01 - INORGANIC CHEMISTRY
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 separating gas
- Patent number 4,955,998
- Issue date Sep 11, 1990
- Sumitomo Seika Chemicals Co., Ltd.
- Kanji Ueda
- 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
Information Patent Grant
Process for producing oxygen-enriched gas
- Patent number 4,684,377
- Issue date Aug 4, 1987
- Seitetsu Kagaku Co., Ltd.
- Kazuo Haruna
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL