Takashi Hifumi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing X-ray mask and heating apparatus
- Patent number 5,953,492
- Issue date Sep 14, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Hideki Yabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of manufacturing X-ray mask and heating apparatus
- Patent number 5,834,142
- Issue date Nov 10, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Hideki Yabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY