- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 47/04 - Non-metalsCompounds thereof
Patent holdings for IPC class A61K 47/04
Total number of patents in this class: 729
10-year publication summary
|
33
|
39
|
43
|
42
|
47
|
53
|
50
|
39
|
38
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Santen Pharmaceutical Co., Ltd. | 596 |
16 |
| Kowa Company, Ltd. | 1196 |
14 |
| Daiichi Sankyo Company, Limited | 1874 |
12 |
| Rohto Pharmaceutical Co., Ltd. | 382 |
12 |
| FUJIFILM Corporation | 29424 |
11 |
| Hisamitsu Pharmaceutical Co., Inc. | 783 |
11 |
| Senju Pharmaceutical Co., Ltd. | 225 |
9 |
| Eisai R&D Management Co., Ltd. | 1231 |
8 |
| Kobayashi Pharmaceutical Co., Ltd. | 794 |
7 |
| ASKA Pharmaceutical Co., Ltd. | 100 |
6 |
| Chugai Seiyaku Kabushiki Kaisha | 1360 |
6 |
| Dainippon Sumitomo Pharma Co., Ltd. | 194 |
6 |
| Graduate School at Shenzhen, Tsinghua University | 151 |
6 |
| Japan Tobacco Inc. | 3596 |
6 |
| Lion Corporation | 743 |
6 |
| Shionogi & Co., Ltd. | 851 |
6 |
| TOMITA Pharmaceutical Co., Ltd. | 68 |
6 |
| Kyoto University | 2802 |
5 |
| Mochida Pharmaceutical Co., Ltd. | 338 |
5 |
| Nipro Corporation | 1017 |
5 |
| Other owners | 566 |