- All sections
- B - Performing operations; transporting
- B29L - Indexing scheme associated with subclass , relating to particular articles
- B29L 31/34 - Electrical apparatus, e.g. sparking plugs or parts thereof
Patent holdings for IPC class B29L 31/34
Total number of patents in this class: 1757
10-year publication summary
|
181
|
246
|
245
|
251
|
196
|
190
|
153
|
104
|
39
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apple Inc. | 50209 |
49 |
| Samsung Display Co., Ltd. | 30585 |
40 |
| Canon Inc. | 36841 |
36 |
| Samsung Electronics Co., Ltd. | 131630 |
29 |
| Tactotek Oy | 154 |
22 |
| International Business Machines Corporation | 60644 |
20 |
| NingBo Sunny Opotech Co.,Ltd. | 583 |
19 |
| LG Energy Solution, Ltd. | 10813 |
19 |
| Toray Industries, Inc. | 6652 |
18 |
| Robert Bosch GmbH | 40953 |
17 |
| Denso Corporation | 23338 |
16 |
| 3m Innovative Properties Company | 18406 |
14 |
| NOK Corporation | 2108 |
13 |
| Envision AESC Japan Ltd. | 290 |
13 |
| Toyota Motor Corporation | 28582 |
12 |
| Boe Technology Group Co., Ltd. | 35384 |
12 |
| Belkin International, Inc. | 351 |
12 |
| Xerox Corporation | 7503 |
11 |
| The Boeing Company | 19843 |
11 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
11 |
| Other owners | 1363 |