Patent holdings for IPC class C13K 1/02

Total number of patents in this class: 967

10-year publication summary

101
80
69
72
39
47
22
20
21
5
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Toray Industries, Inc.
6918
45
Xyleco, Inc.
191
33
Versalis S.P.A.
536
28
Iogen Energy Corporation
90
26
International N&h Denmark ApS
323
23
Renmatix, Inc.
131
22
Mitsubishi Power Environmental Solutions, Ltd.
43
20
GranBio Intellectual Property Holdings, LLC
119
19
IFP Energies Nouvelles
2942
18
E. I. du Pont de Nemours and Company
4107
14
Wisconsin Alumni Research Foundation
3868
14
Showa Denko K.K.
2266
13
Valmet AB
503
13
Shell Internationale Research Maatschappij B.V.
3553
11
National University Corporation Hokkaido University
1340
11
API Intellectual Property Holdings, LLC
77
10
UPM-Kymmene Corporation
937
10
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
12847
10
The Regents of the University of California
19859
9
POET Research, Inc.
262
9
Other owners 609