- All sections
- B - Performing operations; transporting
- B29C - Shaping or joining of plastics; shaping of material in a plastic state, not otherwise provided for; after-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: 359
10-year publication summary
20
|
28
|
46
|
36
|
41
|
40
|
28
|
38
|
28
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Bridgestone Corporation | 7067 |
17 |
Konica Minolta, Inc. | 8349 |
10 |
Magic Leap, Inc. | 3028 |
9 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
7 |
Johnson & Johnson Vision Care, Inc. | 1255 |
5 |
Mitsui Chemicals, Inc. | 3134 |
5 |
Alcon, Inc. | 4899 |
5 |
International Business Machines Corporation | 60644 |
4 |
FUJIFILM Corporation | 27102 |
4 |
Konica Minolta Opto, Inc. | 1179 |
4 |
Cambria Company LLC | 284 |
4 |
Formlabs, Inc. | 192 |
4 |
Marcy Enterprises, Inc. | 8 |
4 |
Sharp Kabushiki Kaisha | 18957 |
4 |
The Boeing Company | 19843 |
3 |
Koninklijke Philips N.V. | 22975 |
3 |
Hoya Corporation | 2822 |
3 |
Compagnie générale des établissements Michelin SCA | 2477 |
3 |
Mitsubishi Rayon Co., Ltd. | 1003 |
3 |
Techno Polymer Co., Ltd. | 81 |
3 |
Other owners | 255 |