Patent holdings for IPC class C04B 35/44

Total number of patents in this class: 434

10-year publication summary

19
22
37
38
27
31
34
25
29
14
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Shin-Etsu Chemical Co., Ltd.
5598
19
Nichia Corporation
3653
14
Corning Incorporated
10240
13
Quantumscape Battery, Inc.
193
12
Applied Materials, Inc.
18406
10
Rolex S.A.
660
10
Heraeus Conamic North America LLC
21
8
Kyocera Corporation
13689
7
Asahi Glass Company, Limited
2810
7
SCHOTT AG
1706
7
Agc, Inc.
4744
7
General Electric Company
13829
5
Appotronics Corporation Limited
1114
5
Saint-Gobain Centre de Recherches et d'Etudes Europeen
490
5
Sumitomo Osaka Cement Co., Ltd.
839
5
Toto Ltd.
1163
5
Jiangsu Normal University
32
5
Xuzhou All-to Photoelectric Technology Co., Ltd.
12
5
Niterra Co., Ltd.
1249
5
NEC Corporation
35351
4
Other owners 276