- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/84 - Processes or apparatus specially adapted for manufacturing record carriers
Patent holdings for IPC class G11B 5/84
Total number of patents in this class: 1296
10-year publication summary
|
122
|
94
|
66
|
59
|
74
|
36
|
42
|
37
|
43
|
17
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hoya Corporation | 2822 |
263 |
| Showa Denko K.K. | 2539 |
96 |
| JPMorgan Chase Bank, National Association | 10964 |
75 |
| FUJIFILM Corporation | 27102 |
67 |
| Seagate Technology LLC | 4228 |
48 |
| Konica Minolta Opto, Inc. | 1179 |
39 |
| The Furukawa Electric Co., Ltd. | 3486 |
39 |
| Resonac Corporation | 2233 |
39 |
| UACJ Corporation | 631 |
35 |
| Pioneer Corporation | 4843 |
30 |
| Kao Corporation | 4843 |
25 |
| Konica Minolta, Inc. | 8349 |
24 |
| Sony Group Corporation | 10730 |
24 |
| Asahi Glass Company, Limited | 2985 |
21 |
| ULVAC, Inc. | 1448 |
18 |
| Konica Minolta Advanced Layers, Inc. | 218 |
17 |
| Fuji Electric Co., Ltd. | 4750 |
17 |
| Applied Materials, Inc. | 16587 |
16 |
| Canon Anelva Corporation | 676 |
16 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
16 |
| Other owners | 371 |