- All sections
- A - Human necessities
- A61P - Specific therapeutic activity of chemical compounds or medicinal preparations
- A61P 27/12 - Ophthalmic agents for cataracts
Patent holdings for IPC class A61P 27/12
Total number of patents in this class: 367
10-year publication summary
|
7
|
19
|
26
|
30
|
17
|
21
|
18
|
24
|
16
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daiichi Sankyo Company, Limited | 1878 |
18 |
| Guangzhou Ocusun Ophthalmic Biotechnology Co., Ltd. | 34 |
9 |
| Mitsubishi Gas Chemical Company, Inc. | 3485 |
7 |
| Takeda Pharmaceutical Company Limited | 2706 |
5 |
| Morinaga Milk Industry Co., Ltd. | 354 |
5 |
| Shiseido Company, Ltd. | 4135 |
5 |
| University of Massachusetts | 2251 |
5 |
| Stealth Biotherapeutics Inc. | 168 |
5 |
| Japan Science and Technology Agency | 1294 |
4 |
| Auckland UniServices Limited | 495 |
4 |
| Carl Zeiss Meditec AG | 1632 |
4 |
| Glytech, Inc. | 65 |
4 |
| Kyowa Hakko Kirin Co., Ltd. | 280 |
4 |
| Ono Pharmaceutical Co., Ltd. | 429 |
4 |
| Santen Pharmaceutical Co., Ltd. | 601 |
4 |
| Ocusun Ophthalmic Pharmaceutical (Guangzhou) Co., Ltd. | 19 |
4 |
| Hinova Pharmaceuticals Inc. | 99 |
3 |
| Japan Tobacco Inc. | 3604 |
3 |
| Kyoto Pharmaceutical Industries, Ltd. | 21 |
3 |
| Senju Pharmaceutical Co., Ltd. | 230 |
3 |
| Other owners | 264 |