- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 41/23 - Forming enclosures or casings
Patent holdings for IPC class H01L 41/23
Total number of patents in this class: 184
10-year publication summary
|
21
|
32
|
24
|
22
|
13
|
15
|
4
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25207 |
17 |
| Kyocera Corporation | 14137 |
12 |
| Seiko Epson Corporation | 19786 |
9 |
| Akoustis Technologies Corp. | 129 |
9 |
| Tune Holdings Corp. | 120 |
9 |
| TDK Electronics AG | 986 |
6 |
| FUJIFILM Corporation | 30012 |
5 |
| Epcos AG | 671 |
4 |
| International Business Machines Corporation | 61886 |
3 |
| Panasonic Corporation | 19901 |
3 |
| Samsung Electro-mechanics Co., Ltd. | 5745 |
3 |
| Advanced Semiconductor Engineering, Inc. | 1685 |
3 |
| Taiyo Yuden Co., Ltd. | 2015 |
3 |
| Qualcomm Incorporated | 88424 |
2 |
| Intel Corporation | 46569 |
2 |
| Hitachi Metals, Ltd. | 1947 |
2 |
| Texas Instruments Incorporated | 19530 |
2 |
| Ricoh Company, Ltd. | 13362 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 32838 |
2 |
| Massachusetts Institute of Technology | 10172 |
2 |
| Other owners | 84 |