- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/851 - Coating a support with a magnetic layer by sputtering
Patent holdings for IPC class G11B 5/851
Total number of patents in this class: 357
10-year publication summary
|
39
|
30
|
27
|
20
|
14
|
15
|
13
|
8
|
15
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JX Nippon Mining & Metals Corporation | 1576 |
94 |
| SANYO Special Steel Co., Ltd. | 201 |
33 |
| Showa Denko K.K. | 2539 |
29 |
| Tanaka Kikinzoku Kogyo K.K. | 589 |
28 |
| JPMorgan Chase Bank, National Association | 10964 |
16 |
| Resonac Corporation | 2233 |
15 |
| Fuji Electric Co., Ltd. | 4750 |
14 |
| Seagate Technology LLC | 4228 |
12 |
| Hoya Corporation | 2822 |
12 |
| Tohoku University | 2526 |
12 |
| Canon Anelva Corporation | 676 |
8 |
| Mitsui Mining & Smelting Co., Ltd. | 1373 |
7 |
| Hoya Magnetics Singapore Pte. Ltd. | 18 |
7 |
| Hitachi Metals, Ltd. | 2175 |
6 |
| Toshiba Corporation | 12017 |
5 |
| WD Media (Singapore) Pte. Ltd. | 28 |
5 |
| Mitsubishi Materials Corporation | 2378 |
4 |
| National Institute for Materials Science | 1108 |
4 |
| Sony Group Corporation | 10730 |
4 |
| Sony Corporation | 32931 |
3 |
| Other owners | 39 |