- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/316 - Inorganic layers composed of oxides or glassy oxides or oxide-based glass
Patent holdings for IPC class H01L 21/316
Total number of patents in this class: 1361
10-year publication summary
|
51
|
56
|
55
|
58
|
58
|
63
|
65
|
60
|
58
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokyo Electron Limited | 13602 |
222 |
| Kokusai Electric Corporation | 2194 |
101 |
| Hitachi Kokusai Electric Inc. | 839 |
57 |
| Semiconductor Energy Laboratory Co., Ltd. | 11718 |
57 |
| Applied Materials, Inc. | 20135 |
35 |
| FUJIFILM Corporation | 30313 |
22 |
| Shindengen Electric Manufacturing Co., Ltd. | 838 |
22 |
| Micron Technology, Inc. | 27370 |
21 |
| Hitachi Chemical Company, Ltd. | 2263 |
21 |
| Adeka Corporation | 1368 |
21 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4071 |
19 |
| ULVAC, Inc. | 1353 |
19 |
| Panasonic Corporation | 19444 |
18 |
| Sumitomo Electric Industries, Ltd. | 16171 |
17 |
| Canon Anelva Corporation | 687 |
16 |
| Japan Science and Technology Agency | 1231 |
15 |
| Shin-Etsu Handotai Co., Ltd. | 1305 |
14 |
| Mitsubishi Materials Corporation | 2465 |
13 |
| Sharp Kabushiki Kaisha | 18601 |
13 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 47675 |
11 |
| Other owners | 627 |