Patent holdings for IPC class C04B 35/583

Total number of patents in this class: 297

10-year publication summary

22
37
23
20
31
21
24
22
30
4
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Denka Company Limited
2189
48
Sumitomo Electric Hardmetal Corp.
969
21
Sumitomo Electric Industries, Ltd.
14131
17
Tungaloy Corporation
481
12
Safran Ceramics
366
10
3m Innovative Properties Company
18406
9
Centre National de La Recherche Scientifique
9632
7
Saint-Gobain Centre de Recherches et d'Etudes Europeen
475
7
Bnnt, LLC
74
6
Kyocera Corporation
12735
5
Mitsubishi Materials Corporation
2378
5
Saint-Gobain Ceramics & Plastics, Inc.
812
5
The Regents of the University of California
18943
4
Free Form Fibers, LLC
38
4
HRL Laboratories, LLC
1588
4
Smith International, Inc.
761
3
Aramco Services Company
3504
3
COI Ceramics, Inc.
13
3
ESK Ceramics GmbH & Co. KG
28
3
Momentive Performance Materials Inc.
861
3
Other owners 118