- All sections
- B - Performing operations; transporting
- B29L - Indexing scheme associated with subclass , relating to particular articles
- B29L 11/00 - Optical elements, e.g. lenses, prisms
Patent holdings for IPC class B29L 11/00
Total number of patents in this class: 1566
10-year publication summary
|
146
|
178
|
140
|
136
|
122
|
87
|
69
|
40
|
19
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Konica Minolta Opto, Inc. | 1179 |
110 |
| Konica Minolta, Inc. | 8349 |
100 |
| FUJIFILM Corporation | 27102 |
73 |
| Nitto Denko Corporation | 7879 |
50 |
| Zeon Corporation | 3854 |
50 |
| Essilor International (compagnie Generale D'optique) | 2918 |
47 |
| Sumitomo Chemical Company, Limited | 8808 |
35 |
| Kuraray Co., Ltd. | 3392 |
33 |
| 3m Innovative Properties Company | 18406 |
29 |
| Konica Minolta Advanced Layers, Inc. | 218 |
25 |
| Hoya Corporation | 2822 |
25 |
| Alcon, Inc. | 4899 |
20 |
| Sharp Kabushiki Kaisha | 18957 |
19 |
| Canon Inc. | 36841 |
18 |
| Olympus Corporation | 13667 |
18 |
| Mitsui Chemicals, Inc. | 3134 |
18 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
18 |
| Carbon, Inc. | 385 |
16 |
| CooperVision International Limited | 574 |
15 |
| LG Chem, Ltd. | 17205 |
14 |
| Other owners | 833 |