- All sections
- C - Chemistrymetallurgy
- C07B - General methods of organic chemistryapparatus therefor
- C07B 61/00 - Other general methods
Patent holdings for IPC class C07B 61/00
Total number of patents in this class: 3802
10-year publication summary
|
176
|
202
|
200
|
215
|
175
|
137
|
157
|
133
|
149
|
142
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 9110 |
199 |
| Mitsubishi Gas Chemical Company, Inc. | 3498 |
152 |
| Mitsubishi Chemical Corporation | 4604 |
138 |
| Daikin Industries, Ltd. | 10153 |
97 |
| Kao Corporation | 5001 |
84 |
| Mitsui Chemicals, Inc. | 3229 |
81 |
| Central Glass Company, Limited | 1272 |
73 |
| Nippon Kayaku Kabushiki Kaisha | 1450 |
73 |
| JX Nippon Oil & Energy Corporation | 979 |
68 |
| Agc, Inc. | 5000 |
65 |
| Nippon Shokubai Co., Ltd. | 1507 |
64 |
| Asahi Kasei Kabushiki Kaisha | 2715 |
59 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
57 |
| Daicel Corporation | 2405 |
55 |
| Osaka University | 3384 |
54 |
| Nissan Chemical Industries, Ltd. | 1699 |
53 |
| Idemitsu Kosan Co., Ltd. | 4225 |
50 |
| Asahi Kasei Chemicals Corporation | 626 |
50 |
| Ube Industries, Ltd. | 823 |
49 |
| Takasago International Corporation | 404 |
48 |
| Other owners | 2233 |