Masataka Fujiwara

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Sakai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Methane adsorbing-retaining agent and the use thereof in a method f...
- Patent number 5,998,647
- Issue date Dec 7, 1999
- Osaka Gas Co., Ltd.
- Kenji Seki
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Gas storage apparatus, gaseous fuel automobile using the gas storag...
- Patent number 5,862,796
- Issue date Jan 26, 1999
- Osaka Gas Co., Ltd.
- Kenji Seki
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS