- All sections
- B - Performing operationstransporting
- B28B - Shaping clay or other ceramic compositionsshaping slagshaping 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: 344
10-year publication summary
|
23
|
20
|
41
|
28
|
21
|
26
|
34
|
36
|
31
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyobo Co., Ltd. | 2539 |
24 |
| Lintec Corporation | 2014 |
22 |
| Canon Kabushiki Kaisha | 7341 |
22 |
| Yoshino Gypsum Co., Ltd. | 265 |
19 |
| Corning Incorporated | 10510 |
9 |
| Fujimi Incorporated | 802 |
9 |
| NGK Insulators, Ltd. | 5239 |
8 |
| Georgia-Pacific Gypsum LLC | 224 |
8 |
| Denka Company Limited | 2728 |
7 |
| Mitsui Chemicals ICT Materia, Inc. | 96 |
7 |
| Seiko Epson Corporation | 20259 |
6 |
| Hitachi, Ltd. | 16113 |
6 |
| Murata Manufacturing Co., Ltd. | 25758 |
6 |
| Polyuse Co., Ltd. | 8 |
6 |
| FUJIFILM Corporation | 30516 |
5 |
| National Institute of Advanced Industrial Science and Technology | 3794 |
5 |
| CMET Inc. | 41 |
5 |
| Nippon Shokubai Co., Ltd. | 1542 |
5 |
| Taiheiyo Cement Corporation | 243 |
5 |
| Nichiha Corporation | 167 |
4 |
| Other owners | 156 |