- 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: 401
10-year publication summary
|
26
|
45
|
36
|
39
|
39
|
29
|
38
|
29
|
32
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7218 |
16 |
| Konica Minolta, Inc. | 8818 |
10 |
| Magic Leap, Inc. | 3302 |
10 |
| Alcon, Inc. | 5495 |
8 |
| Mitsubishi Heavy Industries, Ltd. | 8823 |
7 |
| Mitsui Chemicals, Inc. | 3235 |
6 |
| Johnson & Johnson Vision Care, Inc. | 1180 |
5 |
| Cambria Company LLC | 319 |
5 |
| Formlabs, Inc. | 207 |
5 |
| Marcy Enterprises, Inc. | 9 |
5 |
| Konica Minolta Opto, Inc. | 1049 |
4 |
| Sharp Kabushiki Kaisha | 18692 |
4 |
| International Business Machines Corporation | 61616 |
3 |
| The Boeing Company | 20139 |
3 |
| FUJIFILM Corporation | 29713 |
3 |
| Koninklijke Philips N.V. | 24957 |
3 |
| Hoya Corporation | 2759 |
3 |
| Compagnie générale des établissements Michelin SCA | 2581 |
3 |
| Mitsubishi Rayon Co., Ltd. | 902 |
3 |
| Techno Polymer Co., Ltd. | 67 |
3 |
| Other owners | 292 |