- 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: 1412
10-year publication summary
|
108
|
114
|
103
|
87
|
75
|
80
|
67
|
70
|
76
|
64
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekisui Chemical Co., Ltd. | 3614 |
369 |
| Agc, Inc. | 5524 |
215 |
| Kuraray Co., Ltd. | 3589 |
94 |
| Asahi Glass Company, Limited | 2622 |
78 |
| Nippon Sheet Glass Company, Limited | 951 |
74 |
| Saint-Gobain Glass France | 3239 |
56 |
| Fuyao Glass Industry Group Co., Ltd. | 376 |
43 |
| Central Glass Company, Limited | 1293 |
37 |
| FUJIFILM Corporation | 30514 |
34 |
| Nippon Electric Glass Co., Ltd. | 2555 |
31 |
| Konica Minolta, Inc. | 9119 |
19 |
| Corning Incorporated | 10504 |
18 |
| Sumitomo Metal Mining Co., Ltd. | 1974 |
18 |
| Zeon Corporation | 4147 |
17 |
| Dai Nippon Printing Co., Ltd. | 4238 |
16 |
| AGC Glass Europe | 1178 |
16 |
| Hitachi Chemical Company, Ltd. | 2241 |
13 |
| Pilkington Group Limited | 777 |
11 |
| Bridgestone Corporation | 7259 |
9 |
| Kuraray Europe GmbH | 228 |
9 |
| Other owners | 235 |