Hiroshi Naganuma

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multi-layered rewritable optical disc recording apparatus and recor...
- Patent number 8,213,284
- Issue date Jul 3, 2012
- Sony Corporation
- Tetsuji Kawashima
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Recording apparatus and recording method
- Publication number 20060274626
- Publication date Dec 7, 2006
- Sony Corporation
- Tetsuji Kawashima
- G11 - INFORMATION STORAGE