Masahumi Kurisu

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Patents Grantslast 30 patents

Information Patent Grant
Stamper replacement method and mold for forming optical disks
- Patent number 6,761,553
- Issue date Jul 13, 2004
- Matsushita Electric Industrial Co., Ltd.
- Masahumi Kurisu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Stamper replacement method and mold for forming optical disks
- Publication number 20020174531
- Publication date Nov 28, 2002
- Masahumi Kurisu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL