- 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: 184
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 | 29151 |
33 |
| Panasonic Intellectual Property Management Co., Ltd. | 30711 |
21 |
| Adeka Corporation | 1360 |
13 |
| Sony Corporation | 31215 |
11 |
| Mitsubishi Kagaku Media Co., Ltd. | 35 |
11 |
| Taiyo Yuden Co., Ltd. | 1910 |
10 |
| Ricoh Company, Ltd. | 13209 |
7 |
| Mitsubishi Chemical Corporation | 4474 |
6 |
| Nippon Kayaku Kabushiki Kaisha | 1428 |
6 |
| Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo | 63 |
5 |
| Kyowa Hakko Chemical Co., Ltd. | 29 |
4 |
| Nippon Steel & Sumikin Chemical Co., Ltd. | 185 |
4 |
| TDK Corporation | 6643 |
3 |
| Daikin Industries, Ltd. | 9935 |
3 |
| Dai Nippon Printing Co., Ltd. | 4041 |
3 |
| KH Neochem Co., Ltd. | 62 |
3 |
| Nitto Denko Corporation | 8163 |
2 |
| Mitsui Chemicals, Inc. | 3195 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3775 |
2 |
| Daicel Corporation | 2311 |
2 |
| Other owners | 33 |