- 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: 3804
10-year publication summary
|
215
|
208
|
220
|
184
|
141
|
168
|
137
|
149
|
148
|
137
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 8967 |
194 |
| Mitsubishi Gas Chemical Company, Inc. | 3640 |
152 |
| Mitsubishi Chemical Corporation | 4742 |
137 |
| Daikin Industries, Ltd. | 10509 |
107 |
| Kao Corporation | 5096 |
87 |
| Mitsui Chemicals, Inc. | 3261 |
78 |
| Nippon Kayaku Kabushiki Kaisha | 1471 |
74 |
| Agc, Inc. | 5626 |
73 |
| Central Glass Company, Limited | 1296 |
71 |
| JX Nippon Oil & Energy Corporation | 978 |
68 |
| Asahi Kasei Kabushiki Kaisha | 2854 |
65 |
| Nippon Shokubai Co., Ltd. | 1535 |
62 |
| National Institute of Advanced Industrial Science and Technology | 3790 |
56 |
| Daicel Corporation | 2557 |
56 |
| Osaka University | 3258 |
52 |
| Nissan Chemical Industries, Ltd. | 1633 |
48 |
| Asahi Glass Company, Limited | 2599 |
47 |
| Takasago International Corporation | 407 |
47 |
| Ube Industries, Ltd. | 767 |
46 |
| National University Corporation Hokkaido University | 1384 |
45 |
| Other owners | 2239 |