Kei Ishihara

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Patents Grantslast 30 patents

Information Patent Grant
Optical memory device and method for fabricating optical memory dev...
- Patent number 6,771,867
- Issue date Aug 3, 2004
- Mitsubishi Chemical Corporation
- Kei Ishihara
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MENDING METALLIC PLATE AND METHOD FOR MANUFACTURING MOLD
- Publication number 20190094150
- Publication date Mar 28, 2019
- MITSUBISHI CHEMICAL CORPORATION
- Hiroshi OBATA
- G01 - MEASURING TESTING
Information Patent Application
Optical memory device and method for fabricating optical memory dev...
- Publication number 20030178118
- Publication date Sep 25, 2003
- MITSUBISHI CHEMICAL CORPORATION
- Kei Ishihara
- G11 - INFORMATION STORAGE