Yukio OPPATA

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing photomask, method for producing semiconductor...
- Patent number 11,275,305
- Issue date Mar 15, 2022
- Kioxia Corporation
- Yukio Oppata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
MANUFACTURING METHOD FOR PHOTOMASK, AND PHOTOMASK
- Publication number 20240427229
- Publication date Dec 26, 2024
- KIOXIA Corporation
- Katsuyoshi KODERA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PATTERN FORMING METHOD, PHOTOMASK SUBSTRATE CREATION METHOD, PHOTOM...
- Publication number 20210341830
- Publication date Nov 4, 2021
- KIOXIA Corporation
- Yukio OPPATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR PRODUCING PHOTOMASK, METHOD FOR PRODUCING SEMICONDUCTOR...
- Publication number 20210048739
- Publication date Feb 18, 2021
- KIOXIA Corporation
- Yukio OPPATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY