- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/235 - Selection of material for gap filler
Patent holdings for IPC class G11B 5/235
Total number of patents in this class: 161
10-year publication summary
|
9
|
11
|
9
|
23
|
15
|
12
|
10
|
17
|
10
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JPMorgan Chase Bank, National Association | 8958 |
51 |
| Toshiba Corporation | 12577 |
35 |
| Headway Technologies, Inc. | 684 |
26 |
| Toshiba Electronic Devices & Storage Corporation | 2334 |
22 |
| Seagate Technology LLC | 3959 |
9 |
| TDK Corporation | 6884 |
4 |
| Western Digital Technologies, Inc. | 1900 |
4 |
| International Business Machines Corporation | 62672 |
3 |
| Hoya Corporation | 2719 |
3 |
| JPMorgan Chase Bank, N.A., AS The Agent | 2695 |
2 |
| Carnegie Mellon University | 1630 |
1 |
| Tokyo Institute of Technology | 1312 |
1 |
| Other owners | 0 |