Toshihisa Maeda

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Uji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Reversibly variable color patterning composition for synthetic resi...
- Patent number 5,431,697
- Issue date Jul 11, 1995
- Matsui Shikiso Chemical Co., Ltd.
- Masayasu Kamata
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermochromic color masterbatch
- Patent number 4,957,949
- Issue date Sep 18, 1990
- Matsui Shikiso Chemical Co., Ltd.
- Masayasu Kamada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...