- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 49/92 - Ketonic chelates
Patent holdings for IPC class C07C 49/92
Total number of patents in this class: 87
10-year publication summary
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8
|
6
|
4
|
6
|
3
|
4
|
3
|
2
|
3
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| National University Corporation Hokkaido University | 1345 |
7 |
| Tanaka Kikinzoku Kogyo K.K. | 584 |
5 |
| ASM IP Holding B.V. | 2106 |
4 |
| National University Corporation Nara Institute of Science and Technology | 236 |
4 |
| Novaled GmbH | 447 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3798 |
3 |
| JSR Corporation | 2525 |
3 |
| Kureha Corporation | 1032 |
3 |
| Credoxys GmbH | 8 |
3 |
| Konica Minolta, Inc. | 8784 |
2 |
| Adeka Corporation | 1368 |
2 |
| Bluestar Silicones France. | 80 |
2 |
| JX Nippon Oil & Energy Corporation | 999 |
2 |
| Osaka University | 3383 |
2 |
| Stichting voor de Technische Wetenschappen | 113 |
2 |
| Ube Industries, Ltd. | 838 |
2 |
| UMC Utrecht Holding B.V. | 210 |
2 |
| The University of Tokyo | 4200 |
2 |
| Canon Kabushiki Kaisha | 7069 |
2 |
| Hitachi, Ltd. | 15556 |
1 |
| Other owners | 30 |