Patent application counts by BOI-promoted ZEV manufacturers (1979 to May 2024) for four-wheel vehicles
| Promoted ZEV firms | Investment (mil. Baht) | Starting year | Design patent | Total invention patent | Key 4 EV’s domains | Power elec. | Battery | Charging | Motor |
|---|---|---|---|---|---|---|---|---|---|
| Nissan | 10,960 | 2020 | 172 | 733 | 272 | 119 | 102 | 41 | 16 |
| Toyota | 19,020 | 2023 | 357 | 1,366 | 249 | 101 | 95 | 35 | 30 |
| Honda | 5,821 | 2019 | 683 | 2,792 | 131 | 59 | 25 | 22 | 41 |
| Mitsubishi | 6,500 | 2021 | 71 | 59 | 1 | 1 | – | – | – |
| Mazda | 3,247 | 2019 | 6 | 65 | – | – | – | – | – |
| Mercedes | 342 | 2020 | – | – | – | – | – | – | – |
| BMW | 705 | 2019 | – | 2 | 2 | 2 | – | – | – |
| Takano | 90 | 2020 | – | – | – | – | – | – | |
| FOMM | 716 | 2018 | – | 4 | – | – | – | – | – |
| SAIC-CP | 1,290 | 2019 | 20 | 4 | – | – | – | – | |
| GWM | 559 | 2021 | 47 | 26 | – | – | – | – | |
| BYD auto | 17,900 | 2024 | 8 | 5 | – | – | – | – | |
| Skywell | 200 | 2021 | -- | – | – | – | – | – | |
| Horizon+ | 36,000 | 2024 | – | – | – | – | – | ||
| MineMobility | 2,900 | 2021 | 5 | 3 | 3 | – | – | 3 | – |
| AAB | 2,664 | 2021 | – | 1 | – | – | – | – | |
| Sakun C. | 346 | 2021 | 45 | – | – | – | – | ||
| Total | 109,260 | 1,414 | 5,060 | 658 | 282 | 222 | 101 | 87 |
| Promoted ZEV firms | Investment (mil. Baht) | Starting year | Design patent | Total invention patent | Key 4 EV’s domains | Power elec. | Battery | Charging | Motor |
|---|---|---|---|---|---|---|---|---|---|
| Nissan | 10,960 | 2020 | 172 | 733 | 272 | 119 | 102 | 41 | 16 |
| Toyota | 19,020 | 2023 | 357 | 1,366 | 249 | 101 | 95 | 35 | 30 |
| Honda | 5,821 | 2019 | 683 | 2,792 | 131 | 59 | 25 | 22 | 41 |
| Mitsubishi | 6,500 | 2021 | 71 | 59 | 1 | 1 | – | – | – |
| Mazda | 3,247 | 2019 | 6 | 65 | – | – | – | – | – |
| Mercedes | 342 | 2020 | – | – | – | – | – | – | – |
| BMW | 705 | 2019 | – | 2 | 2 | 2 | – | – | – |
| Takano | 90 | 2020 | – | – | – | – | – | – | |
| FOMM | 716 | 2018 | – | 4 | – | – | – | – | – |
| SAIC-CP | 1,290 | 2019 | 20 | 4 | – | – | – | – | |
| GWM | 559 | 2021 | 47 | 26 | – | – | – | – | |
| BYD auto | 17,900 | 2024 | 8 | 5 | – | – | – | – | |
| Skywell | 200 | 2021 | -- | – | – | – | – | – | |
| Horizon+ | 36,000 | 2024 | – | – | – | – | – | ||
| MineMobility | 2,900 | 2021 | 5 | 3 | 3 | – | – | 3 | – |
| AAB | 2,664 | 2021 | – | 1 | – | – | – | – | |
| Sakun C. | 346 | 2021 | 45 | – | – | – | – | ||
Notes:
Some patents are categorized under multiple IPC codes or involve various EV technology domains. To accurately determine the total count across all four domains, it is necessary to eliminate any double-counted patents. Consequently, the aggregate number of patents across the four key EV domains does not correspond to the simple sum of the final four columns
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