Susumu Hara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for separation of unsaturated hydrocarbon from gas mixture
- Patent number 4,864,071
- Issue date Sep 5, 1989
- Hirai; Hidefumi
- Hidefumi Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Solid adsorbent for carbon monoxide and process for separation from...
- Patent number 4,696,682
- Issue date Sep 29, 1987
- Nippon Steel Corporation
- Hidefumi Hirai
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Solid adsorbent for unsaturated hydrocarbon and process for separat...
- Patent number 4,546,094
- Issue date Oct 8, 1985
- Hirai; Hidefumi
- Hidefumi Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recovery of ethylene from gaseous mixture
- Patent number 4,525,180
- Issue date Jun 25, 1985
- Hidefumi Hirai
- Hidefumi Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Solid adsorbent for carbon monoxide and process for separation from...
- Patent number 4,470,829
- Issue date Sep 11, 1984
- Nippon Steel Corporation
- Hidefumi Hirai
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for separating carbon monoxide from a gas mixture
- Patent number 4,460,384
- Issue date Jul 17, 1984
- Nippon Steel Corporation
- Hidefumi Hirai
- C01 - INORGANIC CHEMISTRY