- All sections
- C - Chemistry; metallurgy
- C03B - Manufacture or shaping of glass, or of mineral or slag wool; supplementary processes in the manufacture or shaping of glass, or of mineral or slag wool
- C03B 33/04 - Cutting or splitting in curves, especially for making spectacle lenses
Patent holdings for IPC class C03B 33/04
Total number of patents in this class: 176
10-year publication summary
|
23
|
13
|
23
|
15
|
8
|
18
|
9
|
10
|
10
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10097 |
45 |
| Nippon Electric Glass Co., Ltd. | 2391 |
18 |
| Saint-Gobain Glass France | 3776 |
18 |
| SCHOTT AG | 1671 |
14 |
| Bando Kiko Co., Ltd. | 76 |
9 |
| Hoya Corporation | 2746 |
8 |
| Rofin-Sinar Technologies LLC | 21 |
6 |
| Boe Technology Group Co., Ltd. | 38777 |
4 |
| Mitsuboshi Diamond Industrial Co., Ltd. | 146 |
4 |
| Agc, Inc. | 4434 |
4 |
| Asahi Glass Company, Limited | 2885 |
3 |
| Samsung Display Co., Ltd. | 32700 |
2 |
| Industrial Technology Research Institute | 4960 |
2 |
| Beijing BOE Display Technology Co., Ltd. | 2665 |
2 |
| Coherent, Inc. | 318 |
2 |
| Corning Laser Technologies GmbH | 8 |
2 |
| Disco Corporation | 1810 |
2 |
| Hefei Xinsheng Optoelectronics Technology Co., Ltd. | 2524 |
2 |
| South China University of Technology | 1699 |
2 |
| TRUMPF Laser- und Systemtechnik GmbH | 530 |
2 |
| Other owners | 25 |