- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 7/244 - Record carriers characterised by the selection of the material of recording layers comprising organic materials only
Patent holdings for IPC class G11B 7/244
Total number of patents in this class: 175
10-year publication summary
|
0
|
3
|
1
|
1
|
2
|
6
|
10
|
6
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29489 |
30 |
| Panasonic Intellectual Property Management Co., Ltd. | 31696 |
21 |
| Adeka Corporation | 1366 |
12 |
| Sony Corporation | 30979 |
11 |
| Taiyo Yuden Co., Ltd. | 1939 |
10 |
| Mitsubishi Kagaku Media Co., Ltd. | 28 |
9 |
| Ricoh Company, Ltd. | 13279 |
7 |
| Mitsubishi Chemical Corporation | 4528 |
6 |
| Nippon Kayaku Kabushiki Kaisha | 1442 |
6 |
| Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo | 58 |
4 |
| Kyowa Hakko Chemical Co., Ltd. | 26 |
4 |
| Nippon Steel & Sumikin Chemical Co., Ltd. | 185 |
4 |
| TDK Corporation | 6791 |
3 |
| Daikin Industries, Ltd. | 10047 |
3 |
| Dai Nippon Printing Co., Ltd. | 4104 |
3 |
| KH Neochem Co., Ltd. | 66 |
3 |
| Nitto Denko Corporation | 8271 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3792 |
2 |
| Daicel Corporation | 2370 |
2 |
| Dexerials Corporation | 1935 |
2 |
| Other owners | 31 |