- All sections
- C - Chemistrymetallurgy
- C03C - Chemical composition of glasses, glazes or vitreous enamelssurface treatment of glasssurface treatment of fibres or filaments made from glass, minerals or slagsjoining glass to glass or other materials
- C03C 3/076 - Glass compositions containing silica with 40% to 90% silica by weight
Patent holdings for IPC class C03C 3/076
Total number of patents in this class: 233
10-year publication summary
|
20
|
20
|
15
|
15
|
13
|
11
|
17
|
10
|
21
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10252 |
50 |
| Nippon Electric Glass Co., Ltd. | 2454 |
19 |
| Agc, Inc. | 4816 |
19 |
| Asahi Glass Company, Limited | 2799 |
17 |
| SCHOTT AG | 1716 |
17 |
| Ivoclar Vivadent AG | 1049 |
9 |
| AGC Glass Europe | 1127 |
5 |
| Owens-Brockway Glass Container Inc. | 760 |
5 |
| PPG Industries Ohio, Inc. | 3457 |
3 |
| Ohara Inc. | 217 |
3 |
| Sumitomo Electric Industries, Ltd. | 15428 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5634 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10924 |
2 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1294 |
2 |
| Guardian Industries Corp. | 346 |
2 |
| Heraeus Quarzglas GmbH & Co. KG | 409 |
2 |
| JNC Corporation | 1552 |
2 |
| Nippon Sheet Glass Company, Limited | 998 |
2 |
| Saint-Gobain Glass France | 3762 |
2 |
| SCHOTT Glass Technologies (Suzhou) Co. Ltd. | 101 |
2 |
| Other owners | 66 |