- 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: 3814
10-year publication summary
|
176
|
202
|
200
|
215
|
175
|
137
|
157
|
133
|
149
|
140
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 9105 |
199 |
| Mitsubishi Gas Chemical Company, Inc. | 3496 |
152 |
| Mitsubishi Chemical Corporation | 4596 |
139 |
| Daikin Industries, Ltd. | 10146 |
97 |
| Kao Corporation | 4991 |
84 |
| Mitsui Chemicals, Inc. | 3231 |
81 |
| Central Glass Company, Limited | 1273 |
73 |
| Nippon Kayaku Kabushiki Kaisha | 1447 |
73 |
| JX Nippon Oil & Energy Corporation | 979 |
68 |
| Agc, Inc. | 4995 |
65 |
| Nippon Shokubai Co., Ltd. | 1505 |
64 |
| Asahi Kasei Kabushiki Kaisha | 2712 |
59 |
| National Institute of Advanced Industrial Science and Technology | 3798 |
57 |
| Daicel Corporation | 2402 |
55 |
| Osaka University | 3388 |
54 |
| Nissan Chemical Industries, Ltd. | 1699 |
53 |
| Asahi Kasei Chemicals Corporation | 631 |
52 |
| Idemitsu Kosan Co., Ltd. | 4223 |
50 |
| Ube Industries, Ltd. | 824 |
49 |
| Takasago International Corporation | 404 |
48 |
| Other owners | 2242 |