Patent holdings for IPC class E01C 7/22

Total number of patents in this class: 47

10-year publication summary

3
2
5
2
11
5
5
1
2
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Kao Corporation
4939
6
BASF SE
20728
4
Idemitsu Kosan Co., Ltd.
4140
4
Total Marketing Services
476
4
A.L.M. Holding Company
86
3
Ergon Asphalt & Emulsions, Inc.
117
2
Iowa State University Research Foundation, Inc.
763
2
Maeda Road Construction Co., Ltd
21
2
Manhole Adjusting Inc.
4
2
Macrebur Limited
12
2
Arkema France
3986
1
Asahi Kasei Kabushiki Kaisha
2633
1
Ceca S.A.
46
1
Eurovia
84
1
Gestion Bprr Inc.
1
1
Institut Francais des Sciences et Technologies des Transports, de L'amenagement et des Reseaux
57
1
Nippo Corporation
29
1
Nippon Paper Industries Co., Ltd.
821
1
Saint-Gobain Adfors Canada, Ltd.
65
1
Showa Shell Sekiyu K.K.
90
1
Other owners 6