- All sections
- C - Chemistry; metallurgy
- C03B - Manufacture or shaping of glass, or of mineral or slag wool; supplementary processes in the manufacture or shaping of glass, or of mineral or slag wool
- C03B 11/00 - Pressing glass
Patent holdings for IPC class C03B 11/00
Total number of patents in this class: 295
10-year publication summary
|
29
|
9
|
14
|
9
|
12
|
11
|
2
|
5
|
9
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hoya Corporation | 2822 |
59 |
| Konica Minolta Opto, Inc. | 1179 |
35 |
| Asahi Glass Company, Limited | 2985 |
22 |
| Konica Minolta, Inc. | 8349 |
21 |
| Olympus Corporation | 13667 |
19 |
| Nippon Electric Glass Co., Ltd. | 2299 |
9 |
| Ohara Inc. | 200 |
7 |
| Toshiba Kikai Kabushiki Kaisha | 300 |
7 |
| Nikon Corporation | 7162 |
6 |
| Konica Minolta Advanced Layers, Inc. | 218 |
5 |
| Glasstech, Inc. | 131 |
5 |
| Agc, Inc. | 4029 |
5 |
| KOA Glass Co., Ltd. | 39 |
4 |
| Corning Incorporated | 9932 |
3 |
| Docter Optics SE | 116 |
3 |
| Panasonic Corporation | 20786 |
2 |
| Sumitomo Electric Industries, Ltd. | 14131 |
2 |
| FUJIFILM Corporation | 27102 |
2 |
| Yazaki Energy System Corporation | 99 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| Other owners | 75 |