- All sections
- B - Performing operationstransporting
- B29C - Shaping or joining of plasticsshaping of material in a plastic state, not otherwise provided forafter-treatment of the shaped products, e.g. repairing
- B29C 39/26 - Moulds or cores
Patent holdings for IPC class B29C 39/26
Total number of patents in this class: 413
10-year publication summary
|
46
|
36
|
41
|
40
|
29
|
38
|
29
|
33
|
26
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7233 |
16 |
| Konica Minolta, Inc. | 9040 |
10 |
| Magic Leap, Inc. | 3371 |
10 |
| Alcon, Inc. | 5719 |
9 |
| Mitsubishi Heavy Industries, Ltd. | 9030 |
6 |
| Mitsui Chemicals, Inc. | 3220 |
6 |
| Cambria Company LLC | 333 |
6 |
| Marcy Enterprises, Inc. | 10 |
6 |
| Johnson & Johnson Vision Care, Inc. | 1177 |
5 |
| Formlabs, Inc. | 219 |
5 |
| Konica Minolta Opto, Inc. | 951 |
4 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1546 |
4 |
| Sharp Kabushiki Kaisha | 18623 |
4 |
| International Business Machines Corporation | 62279 |
3 |
| The Boeing Company | 20094 |
3 |
| FUJIFILM Corporation | 30294 |
3 |
| Koninklijke Philips N.V. | 25642 |
3 |
| Hoya Corporation | 2736 |
3 |
| Compagnie générale des établissements Michelin SCA | 2664 |
3 |
| Mitsubishi Rayon Co., Ltd. | 862 |
3 |
| Other owners | 301 |