Patent holdings for IPC class C09K 17/02

Total number of patents in this class: 161

10-year publication summary

3
11
15
16
10
5
17
12
7
1
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Carbon Technology Holdings, LLC
185
19
Talipot Cool Extract (ip), LLC
27
8
California Institute of Technology
3884
3
Dowa ECO-SYSTEM Co., Ltd.
51
3
Kajima Corporation
87
3
Taiheiyo Cement Corporation
237
3
Waseda University
416
3
Predictive Nutrient Solutions, Inc.
9
3
Kao Corporation
4843
2
The Chugoku Electric Power Co., Inc.
498
2
Denki Kagaku Kogyo Kabushiki Kaisha
680
2
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2865
2
Komatsu Seiren Co., Ltd.
38
2
Sumitomo Metal Industries, Ltd.
453
2
Yoshino Gypsum Co., Ltd.
224
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
Atomic Soil, LLC
3
2
Other owners 92