Shunji Iwahashi

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Shinsenrikita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vapor plating method for plastics
- Patent number 4,242,413
- Issue date Dec 30, 1980
- Sumitomo Chemical Company, Limited
- Shunji Iwahashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Methods for cleaning articles with upward flowing liquids
- Patent number 4,131,483
- Issue date Dec 26, 1978
- Sumitomo Chemical Company, Limited
- Shunji Iwahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS