Toshihide Kawachi

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Patents Grantslast 30 patents

Information Patent Grant
Photomask, semiconductor device, and method for exposing through ph...
- Patent number 6,617,080
- Issue date Sep 9, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Toshihide Kawachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Reticle, pattern transferred thereby, and correction method
- Patent number 5,868,560
- Issue date Feb 9, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Naohisa Tamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY