- 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: 3819
10-year publication summary
|
188
|
215
|
207
|
220
|
184
|
141
|
168
|
136
|
149
|
80
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 9046 |
205 |
| Mitsubishi Gas Chemical Company, Inc. | 3461 |
151 |
| Mitsubishi Chemical Corporation | 4496 |
136 |
| Daikin Industries, Ltd. | 9995 |
97 |
| Kao Corporation | 4964 |
84 |
| Mitsui Chemicals, Inc. | 3220 |
80 |
| Central Glass Company, Limited | 1265 |
74 |
| Nippon Kayaku Kabushiki Kaisha | 1431 |
73 |
| JX Nippon Oil & Energy Corporation | 999 |
69 |
| Nippon Shokubai Co., Ltd. | 1510 |
64 |
| Agc, Inc. | 4820 |
64 |
| Asahi Kasei Kabushiki Kaisha | 2660 |
61 |
| National Institute of Advanced Industrial Science and Technology | 3799 |
56 |
| Asahi Kasei Chemicals Corporation | 683 |
56 |
| Idemitsu Kosan Co., Ltd. | 4214 |
55 |
| Daicel Corporation | 2337 |
55 |
| Nissan Chemical Industries, Ltd. | 1718 |
53 |
| Osaka University | 3375 |
51 |
| Takasago International Corporation | 401 |
50 |
| Ube Industries, Ltd. | 850 |
49 |
| Other owners | 2236 |