- All sections
- C - Chemistry; metallurgy
- C03B - Manufacture or shaping of glass, or of mineral or slag wool; supplementary processes in the manufacture or shaping of glass, or of mineral or slag wool
- C03B 23/20 - Uniting glass pieces by fusing without substantial reshaping
Patent holdings for IPC class C03B 23/20
Total number of patents in this class: 117
10-year publication summary
13
|
12
|
9
|
12
|
10
|
2
|
12
|
5
|
5
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Corning Incorporated | 9932 |
22 |
SCHOTT AG | 1675 |
9 |
Apple Inc. | 50209 |
4 |
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
4 |
Heraeus Quarzglas GmbH & Co. KG | 420 |
4 |
Nantong Schmidt Opto-electrical Technology Co. Ltd. | 33 |
3 |
SRI International | 974 |
3 |
Samsung Electronics Co., Ltd. | 131630 |
2 |
Medtronic, Inc. | 9964 |
2 |
The United States of America as represented by the Secretary of the Navy | 2734 |
2 |
Lam Research Corporation | 4775 |
2 |
Corning Optical Communications LLC | 1741 |
2 |
HASS Co., Ltd. | 54 |
2 |
JENOPTIK Optical Systems GmbH | 176 |
2 |
Shin-Etsu Quartz Products Co., Ltd. | 160 |
2 |
TRUMPF Laser- und Systemtechnik GmbH | 505 |
2 |
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
2 |
Nexus Company Inc. | 5 |
2 |
Samsung Display Co., Ltd. | 30585 |
1 |
LG Electronics Inc. | 69257 |
1 |
Other owners | 44 |