- 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 8/04 - Frit compositions, i.e. in a powdered or comminuted form containing zinc
Patent holdings for IPC class C03C 8/04
Total number of patents in this class: 430
10-year publication summary
30
|
35
|
34
|
37
|
42
|
38
|
29
|
26
|
21
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nippon Electric Glass Co., Ltd. | 2299 |
37 |
Saint-Gobain Glass France | 3641 |
22 |
SCHOTT AG | 1675 |
22 |
Guardian Glass, LLC | 558 |
20 |
Ferro Corporation | 279 |
19 |
LG Electronics Inc. | 69257 |
16 |
Corning Incorporated | 9932 |
13 |
Asahi Glass Company, Limited | 2985 |
12 |
Central Glass Company, Limited | 1244 |
12 |
Nihon Yamamura Glass Co., Ltd. | 144 |
12 |
Shoei Chemical Inc. | 320 |
10 |
Shindengen Electric Manufacturing Co., Ltd. | 774 |
9 |
Fenzi AGT Netherlands B.V. | 14 |
9 |
E. I. du Pont de Nemours and Company | 4345 |
8 |
Changzhou Fusion New Material Co., Ltd. | 61 |
8 |
Guardian Industries Corp. | 392 |
7 |
Matsushita Electric Industrial Co., Ltd. | 4724 |
6 |
Johnson Matthey Public Limited Company | 1852 |
6 |
Microban Products Company | 313 |
6 |
Eurokera S.N.C. | 158 |
5 |
Other owners | 171 |