- 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: 407
10-year publication summary
|
62
|
48
|
35
|
42
|
39
|
26
|
18
|
17
|
22
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3503 |
43 |
| Nitto Denko Corporation | 8246 |
33 |
| The Nippon Synthetic Chemical Industry Co., Ltd. | 302 |
26 |
| Solutia Inc. | 420 |
22 |
| Sumitomo Chemical Company, Limited | 9049 |
21 |
| Mitsubishi Chemical Corporation | 4519 |
12 |
| Sekisui Chemical Co., Ltd. | 3429 |
11 |
| Henkel AG & Co. KGaA | 10584 |
9 |
| Shanjin Optoelectronics (Suzhou) Co., Ltd. | 136 |
8 |
| Ricoh Company, Ltd. | 13279 |
6 |
| The Procter & Gamble Company | 22035 |
5 |
| Synaptive Medical Inc. | 593 |
5 |
| Kuraray Europe GmbH | 220 |
4 |
| Reckitt Benckiser Finish B.V. | 575 |
4 |
| Saudi Arabian Oil Company | 13206 |
4 |
| William Marsh Rice University | 1009 |
4 |
| Shanjin Optoelectronics (Nanjing) Co., Ltd. | 150 |
4 |
| LG Chem, Ltd. | 17639 |
3 |
| Toray Plastics (America), Inc. | 194 |
3 |
| Alcon, Inc. | 5440 |
3 |
| Other owners | 177 |