Tetuo Okaniwa

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Minoo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Process for dyeing acid-modified polyester fibers
- Patent number 3,977,827
- Issue date Aug 31, 1976
- Sumitomo Chemical Company, Limited
- Seizo Konishi
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Black dyeing of acid-modified polyester fiber
- Patent number 3,942,946
- Issue date Mar 9, 1976
- Sumitomo Chemical Company, Ltd.
- Tetuo Okaniwa
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...