Toshihiko Takegawa

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mold for making disc substrate, process for producing mold and disc...
- Patent number 6,068,906
- Issue date May 30, 2000
- Sony Corporation
- Takeshi Sasa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
RECORDING/REPRODUCING APPARATUS WITH A RECORDING MEDIUM BETWEEN A F...
- Publication number 20020003681
- Publication date Jan 10, 2002
- TOSHIHIKO TAKEGAWA
- G11 - INFORMATION STORAGE