- All sections
- C - Chemistrymetallurgy
- C03C - Chemical composition of glasses, glazes or vitreous enamelssurface treatment of glasssurface treatment of fibres or filaments made from glass, minerals or slagsjoining glass to glass or other materials
- C03C 27/12 - Laminated glass
Patent holdings for IPC class C03C 27/12
Total number of patents in this class: 1373
10-year publication summary
|
104
|
99
|
106
|
103
|
86
|
74
|
80
|
65
|
70
|
54
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekisui Chemical Co., Ltd. | 3439 |
360 |
| Agc, Inc. | 4895 |
176 |
| Kuraray Co., Ltd. | 3507 |
89 |
| Asahi Glass Company, Limited | 2769 |
79 |
| Nippon Sheet Glass Company, Limited | 991 |
76 |
| Saint-Gobain Glass France | 3251 |
61 |
| Central Glass Company, Limited | 1270 |
38 |
| FUJIFILM Corporation | 29489 |
34 |
| Nippon Electric Glass Co., Ltd. | 2465 |
31 |
| Fuyao Glass Industry Group Co., Ltd. | 268 |
29 |
| Konica Minolta, Inc. | 8766 |
19 |
| Corning Incorporated | 10283 |
18 |
| Zeon Corporation | 4079 |
17 |
| AGC Glass Europe | 1137 |
16 |
| Sumitomo Metal Mining Co., Ltd. | 1782 |
16 |
| Dai Nippon Printing Co., Ltd. | 4104 |
15 |
| Pilkington Group Limited | 773 |
14 |
| Hitachi Chemical Company, Ltd. | 2342 |
13 |
| Solutia Inc. | 419 |
13 |
| Bridgestone Corporation | 7231 |
11 |
| Other owners | 248 |