- All sections
- B - Performing operationstransporting
- B29K - Indexing scheme associated with subclasses , or , relating to moulding materials or to materials for reinforcements, fillers or preformed parts, e.g. inserts
- B29K 29/00 - Use of polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketals as moulding material
Patent holdings for IPC class B29K 29/00
Total number of patents in this class: 419
10-year publication summary
|
62
|
48
|
35
|
42
|
39
|
26
|
19
|
20
|
22
|
38
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3533 |
45 |
| Nitto Denko Corporation | 8349 |
33 |
| The Nippon Synthetic Chemical Industry Co., Ltd. | 297 |
25 |
| Solutia Inc. | 412 |
23 |
| Sumitomo Chemical Company, Limited | 9105 |
21 |
| Mitsubishi Chemical Corporation | 4596 |
13 |
| Sekisui Chemical Co., Ltd. | 3480 |
11 |
| Henkel AG & Co. KGaA | 10642 |
9 |
| Shanjin Optoelectronics (Suzhou) Co., Ltd. | 135 |
8 |
| The Procter & Gamble Company | 21999 |
7 |
| Ricoh Company, Ltd. | 13364 |
6 |
| Synaptive Medical Inc. | 600 |
5 |
| Kuraray Europe GmbH | 223 |
4 |
| Plantic Technologies Ltd. | 47 |
4 |
| Reckitt Benckiser Finish B.V. | 572 |
4 |
| Saudi Arabian Oil Company | 13600 |
4 |
| William Marsh Rice University | 1041 |
4 |
| Shanjin Optoelectronics (Nanjing) Co., Ltd. | 149 |
4 |
| LG Chem, Ltd. | 17685 |
3 |
| Toray Plastics (America), Inc. | 195 |
3 |
| Other owners | 183 |