- 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 8/02 - Frit compositions, i.e. in a powdered or comminuted form
Patent holdings for IPC class C03C 8/02
Total number of patents in this class: 459
10-year publication summary
32
|
34
|
57
|
56
|
44
|
33
|
36
|
19
|
27
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Corning Incorporated | 9932 |
28 |
SCHOTT AG | 1675 |
28 |
Nippon Electric Glass Co., Ltd. | 2299 |
21 |
Nihon Yamamura Glass Co., Ltd. | 144 |
13 |
LG Electronics Inc. | 69257 |
11 |
E. I. du Pont de Nemours and Company | 4345 |
10 |
Eurokera S.N.C. | 158 |
9 |
Ferro Corporation | 279 |
8 |
Changzhou Fusion New Material Co., Ltd. | 61 |
8 |
Hitachi, Ltd. | 16452 |
7 |
Heraeus Precious Metals North America Conshohocken LLC | 53 |
7 |
Saint-Gobain Glass France | 3641 |
7 |
Shindengen Electric Manufacturing Co., Ltd. | 774 |
7 |
Agc, Inc. | 4029 |
7 |
Murata Manufacturing Co., Ltd. | 22355 |
6 |
Asahi Glass Company, Limited | 2985 |
6 |
Bloom Energy Corporation | 590 |
6 |
Guardian Industries Corp. | 392 |
6 |
Shoei Chemical Inc. | 320 |
6 |
Ivoclar Vivadent AG | 1060 |
5 |
Other owners | 253 |