- 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: 176
10-year publication summary
|
9
|
14
|
9
|
9
|
5
|
5
|
11
|
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. | 25001 |
18 |
| Panasonic Corporation | 19966 |
11 |
| FUJIFILM Corporation | 29817 |
8 |
| Taiyo Yuden Co., Ltd. | 1987 |
7 |
| NGK Insulators, Ltd. | 5144 |
6 |
| Seiko Epson Corporation | 19699 |
5 |
| Kyocera Corporation | 14083 |
5 |
| Siemens AG | 24333 |
4 |
| National Institute for Materials Science | 1099 |
4 |
| Tohoku University | 2846 |
4 |
| Akoustis Technologies Corp. | 129 |
4 |
| Tune Holdings Corp. | 120 |
4 |
| Denso Corporation | 24783 |
3 |
| Konica Minolta Holdings, Inc. | 877 |
3 |
| NGK Spark Plug Co., Ltd. | 888 |
3 |
| Ube Industries, Ltd. | 821 |
3 |
| Youtec Co., Ltd. | 46 |
3 |
| Canon Kabushiki Kaisha | 7152 |
3 |
| Xerox Corporation | 6922 |
2 |
| International Business Machines Corporation | 61721 |
2 |
| Other owners | 74 |