- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
- C04B 35/44 - Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on aluminates
Patent holdings for IPC class C04B 35/44
Total number of patents in this class: 424
10-year publication summary
|
19
|
22
|
37
|
38
|
27
|
31
|
33
|
25
|
28
|
0
|
| 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. | 5437 |
17 |
| Nichia Corporation | 3536 |
14 |
| Corning Incorporated | 10087 |
12 |
| Heraeus Conamic North America LLC | 34 |
11 |
| Applied Materials, Inc. | 17676 |
10 |
| Rolex S.A. | 643 |
10 |
| Quantumscape Battery, Inc. | 180 |
9 |
| Kyocera Corporation | 13319 |
7 |
| Asahi Glass Company, Limited | 2885 |
7 |
| SCHOTT AG | 1671 |
7 |
| Agc, Inc. | 4414 |
7 |
| General Electric Company | 17801 |
5 |
| Appotronics Corporation Limited | 1112 |
5 |
| Sumitomo Osaka Cement Co., Ltd. | 824 |
5 |
| Toto Ltd. | 1131 |
5 |
| Niterra Co., Ltd. | 1195 |
5 |
| NEC Corporation | 34296 |
4 |
| Raytheon Company | 8441 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 29567 |
4 |
| Idemitsu Kosan Co., Ltd. | 4105 |
4 |
| Other owners | 272 |