| Feb 28,
2019 | Feb 29,
2020 | Feb 28,
2021 | Feb 28,
2022 | Feb 28,
2023 | Feb 29,
2024 |
|---|
| Profit (loss) before income taxes | 88 | 105 | 323 | 591 | 693 | -483 |
|---|
| Depreciation | 161 | 209 | 225 | 269 | 356 | 716 |
|---|
| Amortization of goodwill | 62 | 116 | 62 | 1 | - | 131 |
|---|
| Amortization of customer-related assets | - | - | - | - | - | 59 |
|---|
| Loss (gain) on sale of non-current assets | -0 | - | - | - | -5 | -249 |
|---|
| Loss on tax purpose reduction entry of non-current assets | 5 | - | - | - | - | 3 |
|---|
| Subsidy income | - | - | - | - | - | -387 |
|---|
| Commission expenses | - | - | - | - | - | 50 |
|---|
| Settlement income | - | - | - | - | - | -34 |
|---|
| Increase (decrease) in provision for bonuses | 33 | -10 | 31 | 17 | 28 | -8 |
|---|
| Increase (decrease) in provision for repairs | -5 | 99 | 29 | -67 | -29 | -42 |
|---|
| Increase (decrease) in provision for product warranties | - | - | 12 | 6 | 10 | 58 |
|---|
| Increase (decrease) in provision for stock compensation | - | - | - | - | - | 6 |
|---|
| Increase (decrease) in retirement benefit liability | - | - | - | - | - | -0 |
|---|
| Increase (decrease) in accounts payable - other | 40 | -14 | 70 | -47 | 189 | -51 |
|---|
| Increase (decrease) in advances received | 84 | -15 | 93 | 50 | 346 | -160 |
|---|
| Increase (decrease) in Contract liabilities | - | - | - | - | -116 | 65 |
|---|
| Foreign exchange losses (gains) | -2 | 1 | 3 | -5 | -214 | -37 |
|---|
| Interest income | -0 | -1 | -0 | -0 | -2 | -2 |
|---|
| Interest expenses | 45 | 38 | 49 | 50 | 34 | 135 |
|---|
| Decrease (increase) in trade receivables | -193 | -445 | 88 | 125 | -8 | -451 |
|---|
| Decrease (increase) in inventories | -68 | -239 | -372 | -433 | -1,157 | -187 |
|---|
| Increase (decrease) in trade payables | -21 | 69 | -18 | 72 | 107 | -217 |
|---|
| Other, net | -10 | 36 | 24 | -60 | -47 | -27 |
|---|
| Subtotal | 311 | -31 | 621 | 565 | 185 | -1,112 |
|---|
| Interest received | 0 | 1 | 0 | 0 | 2 | 2 |
|---|
| Interest paid | -45 | -36 | -47 | -54 | -34 | -134 |
|---|
| Subsidies received | - | - | - | - | - | 420 |
|---|
| Income taxes paid | -0 | -60 | -6 | -69 | -176 | -130 |
|---|
| Net cash provided by (used in) operating activities | 266 | -126 | 568 | 443 | -119 | -954 |
|---|
| Purchase of property, plant and equipment | -775 | -498 | -245 | -790 | -1,483 | -1,676 |
|---|
| Proceeds from sale of property, plant and equipment | 0 | - | - | - | 23 | 301 |
|---|
| Purchase of intangible assets | -16 | -47 | -42 | -36 | -13 | -91 |
|---|
| Payments of leasehold and guarantee deposits | -49 | -9 | -14 | -25 | -89 | -4 |
|---|
| Loan advances | - | - | - | - | - | -1,285 |
|---|
| Loan advances to employees | - | - | - | - | - | -2 |
|---|
| Proceeds from collection of loans receivable from employees | - | - | - | - | - | 3 |
|---|
| Purchase of shares of subsidiaries resulting in change in scope of consolidation | - | - | - | - | - | -3,387 |
|---|
| Proceeds from Restricted deposit | - | - | - | - | - | 1 |
|---|
| Other, net | - | - | - | - | -111 | -4 |
|---|
| Net cash provided by (used in) investing activities | -1,085 | -508 | -301 | -849 | -1,732 | -6,143 |
|---|
| Net increase (decrease) in short-term borrowings | 600 | 250 | -150 | -850 | 600 | 900 |
|---|
| Proceeds from long-term borrowings | 730 | 444 | 1,017 | - | 1,200 | 7,100 |
|---|
| Repayments of long-term borrowings | -165 | -340 | -547 | -276 | -726 | -3,501 |
|---|
| Proceeds from issuance of bonds | 197 | - | - | - | - | 147 |
|---|
| Redemption of bonds | -102 | -25 | -26 | -23 | -7 | -157 |
|---|
| Proceeds from issuance of shares | 331 | 68 | 12 | 2,566 | 83 | 2,864 |
|---|
| Repayments of lease liabilities | -4 | -3 | -4 | -3 | -4 | -2 |
|---|
| Repayments of installment payables | -59 | -60 | -60 | -38 | -24 | -1 |
|---|
| Purchase of treasury shares | - | - | - | -0 | -1 | -0 |
|---|
| Other, net | - | - | - | - | - | -50 |
|---|
| Net cash provided by (used in) financing activities | 1,529 | 333 | 241 | 1,376 | 1,121 | 7,300 |
|---|
| Effect of exchange rate change on cash and cash equivalents | 2 | -1 | -3 | 5 | 22 | -15 |
|---|
| Net increase (decrease) in cash and cash equivalents | 711 | -302 | 506 | 975 | -708 | 189 |
|---|