- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/338 - Field-effect transistors with a Schottky gate
Patent holdings for IPC class H01L 21/338
Total number of patents in this class: 1384
10-year publication summary
|
70
|
57
|
44
|
61
|
63
|
54
|
75
|
61
|
37
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47860 |
77 |
| Panasonic Corporation | 19171 |
72 |
| Sharp Kabushiki Kaisha | 18541 |
69 |
| Panasonic Intellectual Property Management Co., Ltd. | 33753 |
60 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48073 |
55 |
| Rohm Co., Ltd. | 6789 |
53 |
| Sumitomo Chemical Company, Limited | 9019 |
47 |
| Sumitomo Electric Industries, Ltd. | 16254 |
45 |
| Nippon Telegraph and Telephone Corporation | 15922 |
36 |
| Fujitsu Limited | 16882 |
34 |
| Denso Corporation | 25452 |
32 |
| Sony Semiconductor Solutions Corporation | 11498 |
30 |
| NGK Insulators, Ltd. | 5228 |
28 |
| Flosfia Inc. | 242 |
23 |
| NEC Corporation | 36785 |
22 |
| International Business Machines Corporation | 62517 |
21 |
| Samsung Electronics Co., Ltd. | 156823 |
20 |
| GLOBALFOUNDRIES U.S. Inc. | 6403 |
20 |
| Sanken Electric Co., Ltd. | 454 |
18 |
| Shin-Etsu Handotai Co., Ltd. | 1306 |
16 |
| Other owners | 606 |