- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/033 - Making masks on semiconductor bodies for further photolithographic processing, not provided for in group or comprising inorganic layers
Patent holdings for IPC class H01L 21/033
Total number of patents in this class: 3838
10-year publication summary
316
|
346
|
361
|
436
|
508
|
505
|
386
|
343
|
260
|
95
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
689 |
Applied Materials, Inc. | 16587 |
291 |
Tokyo Electron Limited | 11599 |
285 |
Samsung Electronics Co., Ltd. | 131630 |
215 |
International Business Machines Corporation | 60644 |
179 |
Micron Technology, Inc. | 24960 |
173 |
Lam Research Corporation | 4775 |
148 |
Intel Corporation | 45621 |
122 |
United Microelectronics Corp. | 3921 |
107 |
Semiconductor Manufacturing International (Shanghai) Corporation | 1764 |
75 |
Kioxia Corporation | 9847 |
65 |
GLOBALFOUNDRIES U.S. Inc. | 6459 |
62 |
Semiconductor Manufacturing International (Beijing) Corporation | 1019 |
62 |
ASM IP Holding B.V. | 1715 |
60 |
Nanya Technology Corporation | 2000 |
58 |
Changxin Memory Technologies, Inc. | 4732 |
57 |
Tokyo Electron U.S. Holdings, Inc | 608 |
49 |
SK Hynix Inc. | 11030 |
43 |
Fujian Jinhua Integrated Circuit Co., Ltd. | 355 |
40 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
39 |
Other owners | 1019 |