- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/68 - Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereofApparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components for positioning, orientation or alignment
Patent holdings for IPC class H01L 21/68
Total number of patents in this class: 3671
10-year publication summary
|
247
|
283
|
311
|
320
|
290
|
303
|
254
|
292
|
298
|
149
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 20514 |
258 |
| Tokyo Electron Limited | 13884 |
242 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48629 |
165 |
| Nikon Corporation | 7229 |
152 |
| Lam Research Corporation | 5676 |
111 |
| Samsung Electronics Co., Ltd. | 158605 |
98 |
| Screen Holdings Co., Ltd. | 3198 |
92 |
| Disco Corporation | 1957 |
58 |
| ASML Netherlands B.V. | 7987 |
57 |
| EV Group E. Thallner GmbH | 427 |
55 |
| Samsung Display Co., Ltd. | 38914 |
51 |
| Semes Co., Ltd. | 1679 |
45 |
| KLA Corporation | 1871 |
42 |
| Canon Inc. | 44134 |
37 |
| Boe Technology Group Co., Ltd. | 44484 |
34 |
| Brooks Automation US, LLC | 333 |
34 |
| Cowles Semi, LLC | 70 |
31 |
| Kawasaki Heavy Industries, Limited | 1687 |
28 |
| ASM IP Holding B.V. | 2419 |
28 |
| Changxin Memory Technologies, Inc. | 4932 |
25 |
| Other owners | 2028 |