- All sections
- C - Chemistry; metallurgy
- C03C - Chemical composition of glasses, glazes or vitreous enamels; surface treatment of glass; surface treatment of fibres or filaments made from glass, minerals or slags; joining glass to glass or other materials
- C03C 3/095 - Glass compositions containing silica with 40% to 90% silica by weight containing rare earths
Patent holdings for IPC class C03C 3/095
Total number of patents in this class: 726
10-year publication summary
|
53
|
45
|
68
|
53
|
60
|
59
|
49
|
57
|
43
|
27
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 9932 |
143 |
| Agc, Inc. | 4029 |
63 |
| Nippon Electric Glass Co., Ltd. | 2299 |
52 |
| SCHOTT AG | 1675 |
42 |
| Hoya Corporation | 2822 |
30 |
| Asahi Glass Company, Limited | 2985 |
26 |
| Nippon Sheet Glass Company, Limited | 992 |
23 |
| Electric Glass Fiber America, LLC | 63 |
22 |
| Ivoclar Vivadent AG | 1060 |
20 |
| Jushi Group Co., Ltd. | 113 |
20 |
| PPG Industries Ohio, Inc. | 3430 |
17 |
| Ohara Inc. | 200 |
14 |
| Vitro Flat Glass LLC | 419 |
13 |
| AGC Glass Europe | 1049 |
10 |
| 3D Glass Solutions, Inc. | 75 |
9 |
| Nippon Electric Glass America, Inc. | 21 |
8 |
| Tunghsu Group Co., Ltd. | 58 |
8 |
| SCHOTT Glass Technologies (Suzhou) Co. Ltd. | 94 |
7 |
| ABK Biomedical Incorporated | 29 |
6 |
| Guardian Industries Corp. | 392 |
6 |
| Other owners | 187 |