Ichiro Misawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gas product, method for producing same and method for producing med...
- Patent number 11,406,785
- Issue date Aug 9, 2022
- Sumitomo Seika Chemicals Co., Ltd.
- Masaaki Yamada
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Method for stabilizing low-concentration standard reference gas and...
- Patent number 6,376,249
- Issue date Apr 23, 2002
- Sumitomo Seika Chemicals Co., Ltd.
- Fujio Adachi
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS

Patents Applicationslast 30 patents

Information Patent Application
GAS PRODUCT, METHOD FOR PRODUCING SAME AND METHOD FOR PRODUCING MED...
- Publication number 20210308412
- Publication date Oct 7, 2021
- SUMITOMO SEIKA CHEMICALS CO., LTD.
- Masaaki YAMADA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE