Patent holdings for IPC class C13K 1/02

Total number of patents in this class: 974

10-year publication summary

91
72
65
68
36
40
16
18
18
8
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Toray Industries, Inc.
6950
45
Xyleco, Inc.
195
33
Versalis S.P.A.
541
28
Iogen Energy Corporation
91
27
International N&h Denmark ApS
340
23
Renmatix, Inc.
131
22
Mitsubishi Power Environmental Solutions, Ltd.
45
21
GranBio Intellectual Property Holdings, LLC
121
20
IFP Energies Nouvelles
2937
18
E. I. du Pont de Nemours and Company
4050
14
Wisconsin Alumni Research Foundation
3894
14
Showa Denko K.K.
2220
13
Valmet AB
508
13
Shell Internationale Research Maatschappij B.V.
3548
11
API Intellectual Property Holdings, LLC
78
11
National University Corporation Hokkaido University
1344
11
The Regents of the University of California
19961
10
UPM-Kymmene Corporation
936
10
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
12787
10
POET Research, Inc.
261
9
Other owners 611