Nobuo Iwaya

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Patents Grantslast 30 patents

Information Patent Grant
Transfer mat for patterning a concrete surface with cement coated p...
- Patent number 5,766,728
- Issue date Jun 16, 1998
- Tokai Rubber Industries, Ltd.
- Nobuo Iwaya
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method of patterning a concrete surface
- Patent number 5,330,694
- Issue date Jul 19, 1994
- Tokai Rubber Industries, Ltd.
- Nobuo Iwaya
- B28 - WORKING CEMENT, CLAY, OR STONE