- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 41/39 - Inorganic materials
Patent holdings for IPC class H01L 41/39
Total number of patents in this class: 192
10-year publication summary
|
9
|
14
|
9
|
9
|
5
|
7
|
12
|
4
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 23784 |
20 |
| Panasonic Corporation | 20307 |
11 |
| FUJIFILM Corporation | 28841 |
8 |
| NGK Insulators, Ltd. | 4794 |
8 |
| Kyocera Corporation | 13381 |
7 |
| Taiyo Yuden Co., Ltd. | 1889 |
7 |
| Seiko Epson Corporation | 19020 |
5 |
| Akoustis, Inc. | 163 |
5 |
| Siemens AG | 24568 |
4 |
| Robert Bosch GmbH | 41843 |
4 |
| Denso Corporation | 23823 |
4 |
| National Institute for Materials Science | 1101 |
4 |
| Tohoku University | 2689 |
4 |
| Konica Minolta Holdings, Inc. | 1001 |
3 |
| NGK Spark Plug Co., Ltd. | 901 |
3 |
| Ube Industries, Ltd. | 875 |
3 |
| Youtec Co., Ltd. | 51 |
3 |
| Canon Kabushiki Kaisha | 6954 |
3 |
| Xerox Corporation | 7073 |
2 |
| International Business Machines Corporation | 60224 |
2 |
| Other owners | 82 |