- Sections
- C - Chimiemétallurgie
- C04B - Chauxmagnésiescoriescimentsleurs compositions, p. ex. mortiers, béton ou matériaux de construction similairespierre artificiellecéramiquesréfractairestraitement de la pierre naturelle
- C04B 35/591 - Céramiques fines obtenues par frittage par réaction
Détention brevets de la classe C04B 35/591
Brevets de cette classe: 71
Historique des publications depuis 10 ans
|
6
|
3
|
3
|
10
|
3
|
4
|
4
|
4
|
9
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Rolls-Royce Corporation | 1733 |
6 |
| Kyocera Corporation | 13381 |
5 |
| Safran Ceramics | 395 |
5 |
| Creeled, Inc. | 783 |
5 |
| The United States of America as represented by the Secretary of the Navy | 2726 |
3 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1191 |
3 |
| Shanghai Institute of Ceramics, Chinese Academy of Sciences | 156 |
3 |
| Japan Fine Ceramics Co., Ltd | 10 |
3 |
| Centre National de La Recherche Scientifique | 10140 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 29895 |
2 |
| NTN Corporation | 4980 |
2 |
| Guangdong University of Technology | 530 |
2 |
| Rogers Germany GmbH | 138 |
2 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6254 |
2 |
| Intelligent Power Generation Limited | 7 |
2 |
| Korea Institute of Materials Science | 207 |
2 |
| General Electric Company | 17800 |
1 |
| NGK Insulators, Ltd. | 4794 |
1 |
| NGK Spark Plug Co., Ltd. | 901 |
1 |
| OSRAM Opto Semiconductors GmbH | 3335 |
1 |
| Autres propriétaires | 18 |