- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 47/04 - Non-metals; Compounds thereof
Patent holdings for IPC class A61K 47/04
Total number of patents in this class: 726
10-year publication summary
|
48
|
33
|
39
|
41
|
42
|
50
|
52
|
51
|
38
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Santen Pharmaceutical Co., Ltd. | 649 |
19 |
| Kowa Company, Ltd. | 1172 |
16 |
| Daiichi Sankyo Company, Limited | 1829 |
13 |
| Hisamitsu Pharmaceutical Co., Inc. | 792 |
13 |
| FUJIFILM Corporation | 27102 |
11 |
| Rohto Pharmaceutical Co., Ltd. | 349 |
11 |
| Eisai R&D Management Co., Ltd. | 1304 |
10 |
| Senju Pharmaceutical Co., Ltd. | 234 |
9 |
| Japan Tobacco Inc. | 3225 |
8 |
| Dainippon Sumitomo Pharma Co., Ltd. | 234 |
7 |
| Shionogi & Co., Ltd. | 914 |
7 |
| Takeda Pharmaceutical Company Limited | 2961 |
6 |
| ASKA Pharmaceutical Co., Ltd. | 104 |
6 |
| Chugai Seiyaku Kabushiki Kaisha | 1259 |
6 |
| Graduate School at Shenzhen, Tsinghua University | 154 |
6 |
| Kobayashi Pharmaceutical Co., Ltd. | 829 |
6 |
| Lion Corporation | 757 |
6 |
| TOMITA Pharmaceutical Co., Ltd. | 68 |
6 |
| Medrx Co., Ltd. | 129 |
5 |
| Nipro Corporation | 995 |
5 |
| Other owners | 550 |