| 2025/0053,077 | MASK BLANK, METHOD FOR MANUFACTURING TRANSFER MASK, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE | Nov 25, 22 | Feb 13, 25 | 501 Hoya Corporation |
| 2025/0028,236 | HARDMASK COMPOSITION, HARDMASK LAYER, AND METHOD OF FORMING PATTERNS | May 30, 24 | Jan 23, 25 | Not available |
| 2024/0365,469 | METHOD FOR PRODUCING FLEXIBLE PRINTED WIRING BOARD | Apr 22, 22 | Oct 31, 24 | FUJIKURA PRINTED CIRCUITS LTD. |
| 2024/0264,521 | METHOD FOR INVERSE OPTICAL PROXIMITY CORRECTION OF SUPER-RESOLUTION LITHOGRAPHY BASED ON LEVEL SET ALGORITHM | Dec 28, 21 | Aug 08, 24 | Not available |
| 2024/0218,547 | METAL STRUCTURE AND METHOD FOR MANUFACTURING SAME | May 03, 22 | Jul 04, 24 | POINT ENGINEERING CO., LTD. |
| 2024/0192,584 | BLANK MASK AND PHOTOMASK USING THE SAME | Dec 13, 22 | Jun 13, 24 | SK enpulse Co., Ltd. |
| 2024/0192,600 | MANUFACTURING METHOD OF METAL MASK AND METAL MASK THEREOF | May 18, 23 | Jun 13, 24 | Not available |
| 2024/0060,168 | METHOD OF MANUFACTURING MASK, MASK AND METHOD OF MANUFACTURING MASK APPARATUS | Jun 22, 23 | Feb 22, 24 | Dai Nippon Printing Co Ltd. |
| 2024/0035,167 | METHODS FOR PRODUCING AN ETCH RESIST PATTERN ON A METALLIC SURFACE | Oct 10, 23 | Feb 01, 24 | Kateeva, Inc. |
| 2023/0083,755 | BLANK MASK AND PHOTOMASK USING THE SAME | Aug 30, 22 | Mar 16, 23 | SKC solmics Co., Ltd. |
| 2022/0350,237 | PHOTOMASK BLANK AND PHOTOMASK USING THE SAME | Apr 26, 22 | Nov 03, 22 | SKC solmics Co., Ltd. |
| 2022/0206,382 | PATTERN FORMATION METHOD AND TEMPLATE MANUFACTURING METHOD | Aug 31, 21 | Jun 30, 22 | Not available |
| 2022/0136,113 | METHODS FOR PRODUCING AN ETCH RESIST PATTERN ON A METALLIC SURFACE | Jan 12, 22 | May 05, 22 | Kateeva, Inc. |
| 2022/0050,375 | OVERLAY PATTERN | Aug 18, 21 | Feb 17, 22 | Not available |
| 2021/0132,500 | METHOD FOR MAKING PHOTOLITHOGRAPHY MASK PLATE | Jan 15, 21 | May 06, 21 | Not available |
| 2020/0264,504 | MASK PLATE | Sep 11, 17 | Aug 20, 20 | BOE Technology Group Co. Ltd.; HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD; |
| 2020/0192,215 | PHOTOMASK BLANK, AND METHOD OF MANUFACTURING PHOTOMASK | Nov 22, 19 | Jun 18, 20 | Shin-Etsu Chemical Co., Ltd. |
| 2020/0166,833 | MASK BLANK, METHOD OF MANUFACTURING TRANSFER MASK, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE | May 15, 18 | May 28, 20 | Hoya Corporation; HOYA ELECTRONICS SINGAPORE PTE. LTD.; |
| 2020/0142,296 | METHOD FOR MAKING MICROSTRUCTURES AND PHOTOLITHOGRAPHY MASK PLATE | Jan 06, 20 | May 07, 20 | Not available |
| 2020/0019,053 | BLANKMASK AND PHOTOMASK, AND METHODS OF FABRICATING THE SAME | Dec 07, 18 | Jan 16, 20 | S&S TECH CO., LTD. |