- 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: 1384
10-year publication summary
|
73
|
51
|
55
|
55
|
58
|
58
|
63
|
65
|
60
|
54
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokyo Electron Limited | 12979 |
228 |
| Kokusai Electric Corporation | 2073 |
96 |
| Hitachi Kokusai Electric Inc. | 871 |
59 |
| Semiconductor Energy Laboratory Co., Ltd. | 11471 |
56 |
| Applied Materials, Inc. | 18932 |
35 |
| Micron Technology, Inc. | 26235 |
27 |
| Shindengen Electric Manufacturing Co., Ltd. | 823 |
22 |
| Hitachi Chemical Company, Ltd. | 2337 |
21 |
| Adeka Corporation | 1365 |
21 |
| FUJIFILM Corporation | 29696 |
20 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4003 |
19 |
| ULVAC, Inc. | 1378 |
19 |
| Panasonic Corporation | 20036 |
18 |
| Sumitomo Electric Industries, Ltd. | 15647 |
18 |
| Canon Anelva Corporation | 683 |
16 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43628 |
15 |
| Japan Science and Technology Agency | 1296 |
15 |
| Shin-Etsu Handotai Co., Ltd. | 1283 |
14 |
| Sharp Kabushiki Kaisha | 18693 |
14 |
| Mitsubishi Materials Corporation | 2469 |
13 |
| Other owners | 638 |