Katsuyuki Touma

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Porous carbonaceous material and a method for producing the same
- Patent number 5,648,027
- Issue date Jul 15, 1997
- Osaka Gas Company Ltd.
- Hiroyuki Tajiri
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Surface-roughened polyester film
- Patent number 5,354,595
- Issue date Oct 11, 1994
- Unitika, Ltd.
- Eiji Yamamoto
- B32 - LAYERED PRODUCTS