- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 15/12 - Masking of heads; Selecting or switching of heads between operative and inoperative functions; Masking of beams, e.g. of light beams
Patent holdings for IPC class G11B 15/12
Total number of patents in this class: 35
10-year publication summary
|
6
|
2
|
2
|
0
|
0
|
0
|
0
|
2
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12017 |
6 |
| JPMorgan Chase Bank, National Association | 10964 |
5 |
| International Business Machines Corporation | 60644 |
4 |
| Texas Instruments Incorporated | 19376 |
4 |
| Sony Interactive Entertainment LLC | 1946 |
2 |
| Hewlett-Packard Development Company, L.P. | 28538 |
1 |
| Oracle America, Inc. | 3928 |
1 |
| Seagate Technology LLC | 4228 |
1 |
| Rohm Co., Ltd. | 5843 |
1 |
| Hoya Corporation | 2822 |
1 |
| Hewlett Packard Enterprise Development LP | 10702 |
1 |
| Toshiba Electronic Devices & Storage Corporation | 1602 |
1 |
| D&M Holdings, Inc. | 212 |
1 |
| Maxell Holdings, Ltd. | 1422 |
1 |
| Maxell, Ltd. | 2533 |
1 |
| Marvell Asia PTE, Ltd. | 6841 |
1 |
| Cavium International | 5549 |
1 |
| Avago Technologies International Sales Pte. Limited | 9260 |
1 |
| Panasonic Semiconductor Solutions Co., Ltd. | 970 |
1 |
| Other owners | 0 |