- 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 27/12 - Laminated glass
Patent holdings for IPC class C03C 27/12
Total number of patents in this class: 1343
10-year publication summary
|
119
|
108
|
114
|
103
|
87
|
75
|
80
|
66
|
70
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekisui Chemical Co., Ltd. | 3295 |
356 |
| Agc, Inc. | 4414 |
155 |
| Kuraray Co., Ltd. | 3459 |
88 |
| Asahi Glass Company, Limited | 2885 |
82 |
| Nippon Sheet Glass Company, Limited | 999 |
72 |
| Saint-Gobain Glass France | 3774 |
65 |
| Central Glass Company, Limited | 1241 |
38 |
| FUJIFILM Corporation | 28467 |
34 |
| Nippon Electric Glass Co., Ltd. | 2388 |
30 |
| Fuyao Glass Industry Group Co., Ltd. | 194 |
22 |
| Konica Minolta, Inc. | 8510 |
19 |
| Corning Incorporated | 10087 |
18 |
| Zeon Corporation | 3986 |
17 |
| Dai Nippon Printing Co., Ltd. | 3962 |
16 |
| AGC Glass Europe | 1101 |
16 |
| Pilkington Group Limited | 763 |
16 |
| Sumitomo Metal Mining Co., Ltd. | 1723 |
16 |
| Solutia Inc. | 411 |
14 |
| Hitachi Chemical Company, Ltd. | 2389 |
13 |
| AGC Flat Glass Europe SA | 67 |
12 |
| Other owners | 244 |