Patents/Assignees

HOYA CORPORATION

206 patents in portfolio

US11550215utility2023
Reflective Mask Blank, Reflective Mask, Method of Manufacturing Reflective Mask, and Method of Manufacturing Semiconductor Device
0 cites
US11551714utility2023
Glass for Magnetic Recording Medium Substrate, Magnetic Recording Medium Substrate, Magnetic Recording Medium and Glass Spacer for Magnetic Recording and Reproducing Apparatus
0 cites
US11543658utility2023
Light Guide Plate Made of Lead-free Glass Having a High Refractive Index and Image Display Device Using a Light Guide Plate
0 cites
US11543744utility2023
Mask Blank, Transfer Mask, and Method for Manufacturing Semiconductor Device
0 cites
US11545178utility2023
Substrate for Magnetic Disk and Magnetic Disk
0 cites
US8346036utility2013
Confocal Optical System
0 cites

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