Patent holdings for IPC class A01N 55/02

Total number of patents in this class: 549

10-year publication summary

53
26
28
26
28
35
24
17
8
8
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Nippon Soda Co., Ltd.
885
9
Poniard Pharmaceuticals, Inc.
18
8
Nutrien AG Solutions (Canada) Inc.
114
8
Chugoku Marine Paints, Ltd.
180
7
Omya International AG
781
7
Innovation Hammer, LLC
21
6
Bayer Cropscience AG
1836
5
Arch Chemicals, Inc.
91
5
Arch Wood Protection, Inc.
87
5
SDS Biotech K.K.
103
5
UPL Limited
632
5
Sumitomo Chemical Company, Limited
8968
4
Duke University
3181
4
DMR International, Inc.
13
4
Koppers Performance Chemicals Inc.
120
4
North Carolina State University
1595
4
Osaka Kasei Co., Ltd.
17
4
Toyo Seikan Group Holdings, Ltd.
853
4
Universidad de Chile
180
4
Yhs Ltd.
4
4
Other owners 443