- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 7/26 - Apparatus or processes specially adapted for the manufacture of record carriers
Patent holdings for IPC class G11B 7/26
Total number of patents in this class: 437
10-year publication summary
|
17
|
14
|
16
|
13
|
11
|
7
|
3
|
8
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 19859 |
47 |
| Sony Corporation | 30568 |
30 |
| Pioneer Corporation | 4005 |
27 |
| FUJIFILM Corporation | 30106 |
20 |
| Panasonic Intellectual Property Management Co., Ltd. | 33120 |
15 |
| Dongguan Anwell Digital Machinery Co., Ltd. | 67 |
14 |
| Shibaura Mechatronics Corporation | 291 |
11 |
| Oracle International Corporation | 13291 |
10 |
| Sony Group Corporation | 14964 |
10 |
| Case Western Reserve University | 1861 |
9 |
| Dexerials Corporation | 1975 |
9 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2851 |
9 |
| Nippon Kayaku Kabushiki Kaisha | 1460 |
9 |
| Thomson Licensing | 3333 |
8 |
| Mitsubishi Kagaku Media Co., Ltd. | 23 |
8 |
| Lintec Corporation | 1991 |
7 |
| Mitsubishi Materials Corporation | 2467 |
7 |
| Singulus Mastering B.V. | 6 |
6 |
| Ricoh Company, Ltd. | 13332 |
5 |
| JX Nippon Mining & Metals Corporation | 1471 |
5 |
| Other owners | 171 |