- 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 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
Patent holdings for IPC class C03C 3/085
Total number of patents in this class: 1161
10-year publication summary
|
99
|
82
|
119
|
106
|
99
|
100
|
87
|
78
|
81
|
24
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 9932 |
295 |
| Nippon Electric Glass Co., Ltd. | 2299 |
155 |
| Agc, Inc. | 4029 |
151 |
| Asahi Glass Company, Limited | 2985 |
120 |
| SCHOTT AG | 1675 |
50 |
| Nippon Sheet Glass Company, Limited | 992 |
28 |
| Hoya Corporation | 2822 |
26 |
| AGC Glass Europe | 1049 |
22 |
| Eurokera S.N.C. | 158 |
17 |
| Ohara Inc. | 200 |
17 |
| Ivoclar Vivadent AG | 1060 |
16 |
| Owens Corning Intellectual Capital, LLC | 1456 |
16 |
| AvanStrate Inc. | 109 |
13 |
| SCHOTT Glass Technologies (Suzhou) Co. Ltd. | 94 |
12 |
| OCV Intellectual Capital, LLC | 265 |
10 |
| Eurokera | 46 |
9 |
| PPG Industries Ohio, Inc. | 3430 |
8 |
| Saint-Gobain Glass France | 3641 |
8 |
| Chongqing Aureavia Hi-Tech Glass Co., Ltd. | 41 |
8 |
| Central Glass Company, Limited | 1244 |
7 |
| Other owners | 173 |