- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/02 - Recording, reproducing or erasing methodsRead, write or erase circuits therefor
Patent holdings for IPC class G11B 5/02
Total number of patents in this class: 933
10-year publication summary
|
84
|
57
|
38
|
22
|
34
|
43
|
20
|
28
|
21
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seagate Technology LLC | 3967 |
138 |
| JPMorgan Chase Bank, National Association | 8573 |
138 |
| Toshiba Corporation | 12345 |
76 |
| Avago Technologies International Sales Pte. Limited | 8759 |
60 |
| Konica Minolta Opto, Inc. | 1078 |
34 |
| TDK Corporation | 6748 |
33 |
| Marvell Asia PTE, Ltd. | 6541 |
31 |
| Cavium International | 5031 |
30 |
| Toshiba Electronic Devices & Storage Corporation | 1970 |
29 |
| Seiko Instruments Inc. | 503 |
27 |
| International Business Machines Corporation | 61257 |
26 |
| Texas Instruments Incorporated | 19460 |
22 |
| Hitachi, Ltd. | 15495 |
21 |
| Headway Technologies, Inc. | 694 |
18 |
| Nidec Sankyo Corporation | 1080 |
15 |
| FUJIFILM Corporation | 29399 |
12 |
| Pioneer Corporation | 4345 |
8 |
| Showa Denko K.K. | 2226 |
8 |
| Sharp Kabushiki Kaisha | 18738 |
8 |
| Hewlett Packard Enterprise Development LP | 10728 |
7 |
| Other owners | 192 |