- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 17/02 - Soil-conditioning materials or soil-stabilising materials containing inorganic compounds only
Patent holdings for IPC class C09K 17/02
Total number of patents in this class: 158
10-year publication summary
|
11
|
15
|
16
|
10
|
5
|
17
|
12
|
8
|
5
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Technology Holdings, LLC | 210 |
19 |
| Talipot Cool Extract (ip), LLC | 29 |
8 |
| Kao Corporation | 4952 |
4 |
| California Institute of Technology | 3973 |
3 |
| Dowa ECO-SYSTEM Co., Ltd. | 55 |
3 |
| Waseda University | 448 |
3 |
| Predictive Nutrient Solutions, Inc. | 11 |
3 |
| The Chugoku Electric Power Co., Inc. | 514 |
2 |
| Graymont Western Canada Inc. | 43 |
2 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2876 |
2 |
| Kajima Corporation | 83 |
2 |
| Komatsu Seiren Co., Ltd. | 36 |
2 |
| Sumitomo Metal Industries, Ltd. | 386 |
2 |
| Taiheiyo Cement Corporation | 236 |
2 |
| Yoshino Gypsum Co., Ltd. | 250 |
2 |
| Tessenderlo Group, NV | 167 |
2 |
| Azmec Co., Ltd. | 4 |
2 |
| Energia Eco Materia Co., Inc. | 2 |
2 |
| Japan Conservation Engineers Co., Ltd. | 3 |
2 |
| Shin Poong NCS Co.,Ltd | 3 |
2 |
| Other owners | 89 |