- All sections
- C - Chemistrymetallurgy
- C03B - Manufacture or shaping of glass, or of mineral or slag woolsupplementary processes in the manufacture or shaping of glass, or of mineral or slag wool
- C03B 40/04 - Preventing adhesion between glass and glass or between glass and the means used to shape it using gas
Patent holdings for IPC class C03B 40/04
Total number of patents in this class: 33
10-year publication summary
|
4
|
7
|
2
|
0
|
5
|
1
|
1
|
0
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10572 |
11 |
| Nippon Electric Glass Co., Ltd. | 2578 |
8 |
| Canon Inc. | 44686 |
2 |
| Owens-Brockway Glass Container Inc. | 804 |
2 |
| The University of Tokyo | 4413 |
2 |
| Agc, Inc. | 5706 |
2 |
| Nikon Corporation | 7227 |
1 |
| Olympus Corporation | 12891 |
1 |
| Hoya Corporation | 2402 |
1 |
| Saint-Gobain Glass France | 3246 |
1 |
| AAC Optics (Changzhou) Co., Ltd. | 590 |
1 |
| Yep Co.,Ltd. | 5 |
1 |
| Other owners | 0 |