- All sections
- C - Chemistry; metallurgy
- C07B - General methods of organic chemistry; apparatus therefor
- C07B 61/00 - Other general methods
Patent holdings for IPC class C07B 61/00
Total number of patents in this class: 3796
10-year publication summary
|
205
|
188
|
215
|
207
|
220
|
184
|
141
|
167
|
134
|
42
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 8808 |
205 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
138 |
| Mitsubishi Chemical Corporation | 4313 |
137 |
| Daikin Industries, Ltd. | 9495 |
96 |
| Kao Corporation | 4843 |
85 |
| Mitsui Chemicals, Inc. | 3134 |
82 |
| Central Glass Company, Limited | 1244 |
73 |
| Asahi Kasei Chemicals Corporation | 809 |
72 |
| Nippon Kayaku Kabushiki Kaisha | 1400 |
70 |
| JX Nippon Oil & Energy Corporation | 1019 |
69 |
| Idemitsu Kosan Co., Ltd. | 3995 |
63 |
| Nippon Shokubai Co., Ltd. | 1487 |
63 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
56 |
| Nissan Chemical Industries, Ltd. | 1822 |
55 |
| Daicel Corporation | 2128 |
53 |
| Takasago International Corporation | 406 |
53 |
| Asahi Glass Company, Limited | 2985 |
50 |
| Ube Industries, Ltd. | 921 |
50 |
| Agc, Inc. | 4029 |
50 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
48 |
| Other owners | 2228 |