- 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: 1312
10-year publication summary
104
|
119
|
108
|
114
|
103
|
87
|
75
|
80
|
66
|
18
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sekisui Chemical Co., Ltd. | 3159 |
344 |
Agc, Inc. | 4029 |
139 |
Kuraray Co., Ltd. | 3392 |
87 |
Asahi Glass Company, Limited | 2985 |
83 |
Nippon Sheet Glass Company, Limited | 992 |
70 |
Saint-Gobain Glass France | 3641 |
66 |
Central Glass Company, Limited | 1244 |
38 |
FUJIFILM Corporation | 27102 |
31 |
Nippon Electric Glass Co., Ltd. | 2299 |
29 |
Konica Minolta, Inc. | 8349 |
19 |
Corning Incorporated | 9932 |
18 |
Fuyao Glass Industry Group Co., Ltd. | 135 |
18 |
Zeon Corporation | 3854 |
17 |
Dai Nippon Printing Co., Ltd. | 3891 |
16 |
Pilkington Group Limited | 748 |
16 |
Sumitomo Metal Mining Co., Ltd. | 1670 |
16 |
AGC Glass Europe | 1049 |
15 |
Solutia Inc. | 410 |
15 |
Hitachi Chemical Company, Ltd. | 2455 |
13 |
Bridgestone Corporation | 7067 |
12 |
Other owners | 250 |