- All sections
- B - Performing operations; transporting
- B60L - Propulsion of electrically-propelled vehicles; supplying electric power for auxiliary equipment of electrically-propelled vehicles; electrodynamic brake systems for vehicles in general; magnetic suspension or levitation for vehicles; monitoring operating variables of electrically-propelled vehicles; electric safety devices for electrically-propelled vehicles
- B60L 9/18 - Electric propulsion with power supply external to the vehicle using ac induction motors fed from dc supply lines
Patent holdings for IPC class B60L 9/18
Total number of patents in this class: 730
10-year publication summary
|
31
|
27
|
37
|
69
|
59
|
53
|
58
|
34
|
56
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
79 |
| Denso Corporation | 23338 |
67 |
| Mitsubishi Electric Corporation | 43934 |
61 |
| NTN Corporation | 5008 |
58 |
| Hitachi, Ltd. | 16452 |
34 |
| Nissan Motor Co., Ltd. | 12249 |
34 |
| Hitachi Automotive Systems, Ltd. | 3970 |
29 |
| Hitachi Construction Machinery Co., Ltd. | 2498 |
26 |
| Aisin AW Co., Ltd. | 2430 |
23 |
| Mitsubishi Jidosha Kogyo Kabushiki Kaisha | 1221 |
22 |
| Hitachi Astemo, Ltd. | 5618 |
17 |
| Mazda Motor Corporation | 3087 |
15 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
14 |
| Sumitomo Electric Industries, Ltd. | 14131 |
13 |
| AutoNetworks Technologies, Ltd. | 5809 |
13 |
| Honda Motor Co., Ltd. | 24537 |
12 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
10 |
| Komatsu Ltd. | 4265 |
9 |
| Sanyo Electric Co., Ltd. | 3926 |
8 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
7 |
| Other owners | 179 |