- All sections
- B - Performing operations; transporting
- B28B - Shaping clay or other ceramic compositions; shaping slag; shaping mixtures containing cementitious material, e.g. plaster
- B28B 1/30 - Producing shaped articles from the material by applying the material on to a core, or other moulding surface to form a layer thereon
Patent holdings for IPC class B28B 1/30
Total number of patents in this class: 279
10-year publication summary
|
22
|
15
|
23
|
20
|
41
|
28
|
20
|
25
|
32
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lintec Corporation | 1915 |
22 |
| Canon Kabushiki Kaisha | 6884 |
21 |
| Toyobo Co., Ltd. | 2286 |
19 |
| Yoshino Gypsum Co., Ltd. | 224 |
18 |
| Fujimi Incorporated | 676 |
9 |
| NGK Insulators, Ltd. | 4589 |
8 |
| Georgia-Pacific Gypsum LLC | 204 |
7 |
| Seiko Epson Corporation | 18724 |
6 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
6 |
| Hitachi, Ltd. | 16452 |
5 |
| CMET Inc. | 45 |
5 |
| Osaka University | 3143 |
5 |
| Murata Manufacturing Co., Ltd. | 22355 |
4 |
| Corning Incorporated | 9932 |
4 |
| Nichiha Corporation | 186 |
4 |
| Taiheiyo Cement Corporation | 237 |
4 |
| Rtx Corporation | 8674 |
4 |
| FUJIFILM Corporation | 27102 |
3 |
| TDK Corporation | 6306 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| Other owners | 119 |