Hiroaki Miyasaka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical disk apparatus with opposing protective protrusions
- Patent number 6,700,850
- Issue date Mar 2, 2004
- NEC Corporation
- Kazuaki Takahashi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical disk apparatus
- Publication number 20020051418
- Publication date May 2, 2002
- NEC Corporation
- Kazuaki Takahashi
- G11 - INFORMATION STORAGE