- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/50 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare earth compounds
Patent holdings for IPC class C04B 35/50
Total number of patents in this class: 703
10-year publication summary
|
46
|
46
|
51
|
62
|
39
|
36
|
49
|
40
|
28
|
17
|
| 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. | 5715 |
53 |
| Murata Manufacturing Co., Ltd. | 24843 |
25 |
| Applied Materials, Inc. | 19005 |
19 |
| Mitsui Mining & Smelting Co., Ltd. | 1512 |
16 |
| NGK Insulators, Ltd. | 5115 |
13 |
| NGK Spark Plug Co., Ltd. | 888 |
12 |
| General Electric Company | 13856 |
11 |
| Seiko Epson Corporation | 19671 |
9 |
| Konoshima Chemical Co., Ltd. | 62 |
9 |
| Tokyo Institute of Technology | 1364 |
9 |
| Sumitomo Electric Industries, Ltd. | 15668 |
8 |
| TDK Corporation | 6878 |
8 |
| Kyocera Corporation | 13997 |
8 |
| Daiichi Kigenso Kagaku Kogyo Co., Ltd. | 172 |
8 |
| Sumitomo Osaka Cement Co., Ltd. | 866 |
8 |
| Niterra Co., Ltd. | 1317 |
8 |
| Canon Inc. | 40623 |
7 |
| Corning Incorporated | 10336 |
7 |
| Denso Corporation | 24588 |
6 |
| Massachusetts Institute of Technology | 10121 |
6 |
| Other owners | 453 |