- 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: 417
10-year publication summary
|
46
|
36
|
41
|
40
|
29
|
38
|
29
|
33
|
26
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7251 |
16 |
| Konica Minolta, Inc. | 9116 |
10 |
| Magic Leap, Inc. | 3391 |
10 |
| Alcon, Inc. | 5848 |
9 |
| Mitsubishi Heavy Industries, Ltd. | 9115 |
6 |
| Mitsui Chemicals, Inc. | 3242 |
6 |
| Cambria Company LLC | 349 |
6 |
| Marcy Enterprises, Inc. | 11 |
6 |
| Johnson & Johnson Vision Care, Inc. | 1156 |
5 |
| Formlabs, Inc. | 218 |
5 |
| Konica Minolta Opto, Inc. | 914 |
4 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1652 |
4 |
| Sharp Kabushiki Kaisha | 18530 |
4 |
| International Business Machines Corporation | 62621 |
3 |
| The Boeing Company | 20160 |
3 |
| FUJIFILM Corporation | 30512 |
3 |
| Koninklijke Philips N.V. | 25832 |
3 |
| Hoya Corporation | 2719 |
3 |
| Compagnie générale des établissements Michelin SCA | 2715 |
3 |
| Mitsubishi Rayon Co., Ltd. | 856 |
3 |
| Other owners | 305 |