Katsumi Tamai

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Patents Grantslast 30 patents

Information Patent Grant
Methacrylic resin shaped article, process for producing the same an...
- Patent number 4,525,537
- Issue date Jun 25, 1985
- Mitsubishi Rayon Co., Ltd.
- Kazumasa Kamada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing a low hygroscopic methacrylic resin and infor...
- Patent number 4,509,163
- Issue date Apr 2, 1985
- Mitsubishi Rayon Co., Ltd.
- Kazumasa Kamada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...