| Mar 31,
2013 | Mar 31,
2014 | Mar 31,
2015 | Mar 31,
2016 | Mar 31,
2017 | Mar 31,
2018 | Mar 31,
2019 | Mar 31,
2020 | Mar 31,
2021 | Mar 31,
2022 | Mar 31,
2023 | Mar 31,
2024 |
|---|
| Profit (loss) before income taxes | 493 | 596 | 747 | 757 | 620 | 837 | 1,105 | 595 | 426 | 1,460 | 1,101 | 809 |
|---|
| Depreciation | 46 | 59 | 66 | 59 | 60 | 67 | 108 | 126 | 131 | 188 | 194 | 174 |
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| Impairment losses | 9 | - | - | - | 47 | - | - | - | - | - | 29 | 30 |
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| Amortization of goodwill | 9 | 44 | 60 | 60 | 60 | 60 | 25 | - | 28 | 59 | 67 | 72 |
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| Increase (decrease) in allowance for doubtful accounts | -1 | 17 | 4 | 4 | 2 | 3 | 5 | -8 | 23 | 1 | - | - |
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| Increase (decrease) in provision for bonuses | -3 | 17 | 11 | 5 | -11 | 17 | 22 | -27 | -41 | 68 | -14 | 7 |
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| Increase (decrease) in provision for bonuses for directors (and other officers) | -2 | 3 | 7 | 5 | -10 | 20 | 4 | -39 | -6 | 19 | 8 | -8 |
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| Increase (decrease) in retirement benefit liability | - | 8 | 28 | 35 | 27 | 10 | 16 | 29 | 2 | 2 | 21 | -7 |
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| Increase (decrease) in provision for retirement benefits for directors (and other officers) | 9 | 3 | 4 | 17 | 18 | 10 | 19 | 20 | -16 | 23 | -15 | -54 |
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| Interest and dividend income | -2 | -3 | -5 | -6 | -6 | -7 | -9 | -9 | -8 | -31 | -34 | -39 |
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| Interest expenses | 15 | 15 | 19 | 20 | 19 | 19 | 26 | 31 | 35 | 37 | 40 | 57 |
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| Foreign exchange losses (gains) | -10 | -7 | -24 | 25 | 38 | 25 | 5 | 3 | -8 | -4 | -70 | -11 |
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| Loss (gain) on sale and retirement of property, plant and equipment | - | - | - | -0 | -90 | 3 | 5 | 2 | 2 | -665 | 13 | 21 |
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| Gain on receipt of donated national subsidies-OpeCF | - | - | - | - | - | - | - | - | - | - | - | -51 |
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| Loss on tax purpose reduction entry of non-current assets | - | - | - | - | - | - | - | - | - | - | - | 51 |
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| Surrender value of insurance policies | -62 | -25 | -9 | -0 | -50 | -8 | -15 | -1 | -88 | -17 | -82 | -16 |
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| Decrease (increase) in trade receivables | 224 | -554 | -481 | -471 | -119 | -452 | -24 | 644 | 4 | -509 | 188 | 666 |
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| Decrease (increase) in inventories | 305 | -612 | -475 | 66 | 21 | -344 | -664 | -74 | 318 | -275 | -162 | 345 |
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| Increase (decrease) in trade payables | -523 | 974 | 253 | 100 | 68 | 341 | 237 | -852 | -107 | -76 | -612 | -394 |
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| Increase (decrease) in accrued consumption taxes | - | - | 64 | -7 | -32 | 23 | -42 | 30 | -17 | -59 | 6 | 30 |
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| Other, net | 9 | -81 | -45 | -16 | -16 | 43 | -15 | -79 | 66 | -27 | 71 | 111 |
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| Subtotal | 537 | 453 | 196 | 651 | 645 | 661 | 809 | 430 | 525 | 178 | 751 | 1,795 |
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| Interest and dividends received | 3 | 3 | 5 | 6 | 6 | 7 | 9 | 9 | 8 | 31 | 34 | 39 |
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| Interest paid | -15 | -16 | -19 | -18 | -19 | -16 | -23 | -32 | -39 | -36 | -29 | -69 |
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| Income taxes paid | -316 | -257 | -364 | -331 | -367 | -265 | -464 | -419 | -163 | -324 | -687 | -197 |
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| Net cash provided by (used in) operating activities | 209 | 183 | -190 | 308 | 265 | 388 | 330 | -11 | 331 | -151 | 68 | 1,567 |
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| Purchase of property, plant and equipment | -18 | -99 | -50 | -75 | -133 | -37 | -113 | -63 | -18 | -105 | -183 | -188 |
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| Proceeds from sale of property, plant and equipment | 2 | 2 | 4 | 4 | 261 | 0 | 2 | 0 | 230 | 1,606 | 5 | 3 |
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| Purchase of intangible assets | -1 | -24 | -48 | -38 | -90 | -4 | -86 | -49 | -20 | -99 | -85 | -55 |
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| Proceeds from state subsidy received-InvCF | - | - | - | - | - | - | - | - | - | - | - | 52 |
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| Purchase of investment securities | -7 | -10 | -11 | -12 | -13 | -12 | -13 | -15 | -15 | -33 | -32 | -35 |
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| Proceeds from sale of investment securities | - | - | - | - | 5 | - | - | - | 18 | - | 5 | 70 |
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| Payments into time deposits | - | -2 | -7 | -6 | -8 | -31 | -6 | -6 | -9 | -22 | -49 | -7 |
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| Proceeds from withdrawal of time deposits | - | - | 1 | 12 | - | 7 | - | - | - | - | - | 140 |
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| Payments of guarantee deposits | - | - | - | - | - | - | - | - | - | - | -38 | -64 |
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| Purchase of insurance funds | -32 | -31 | -33 | -33 | -35 | -38 | -52 | -51 | -50 | -42 | -41 | -37 |
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| Proceeds from cancellation of insurance funds | 62 | 31 | 11 | 2 | 115 | 16 | 7 | 2 | 189 | 37 | 180 | 63 |
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| Other, net | -5 | 8 | -3 | -6 | -7 | -2 | 2 | -4 | -4 | 52 | 3 | 55 |
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| Net cash provided by (used in) investing activities | 2 | -414 | -136 | -152 | 95 | -100 | -239 | -285 | -268 | 1,228 | -235 | -3 |
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| Net increase (decrease) in short-term borrowings | -254 | 336 | 586 | 46 | -173 | -43 | 74 | 193 | -121 | -378 | 300 | 70 |
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| Proceeds from long-term borrowings | 400 | 703 | 780 | 423 | 800 | 400 | 600 | 1,100 | 1,770 | 179 | 830 | 420 |
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| Repayments of long-term borrowings | -183 | -285 | -827 | -406 | -494 | -515 | -481 | -501 | -902 | -992 | -927 | -1,037 |
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| Redemption of bonds | -100 | -110 | - | - | - | - | - | - | - | - | -50 | -50 |
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| Dividends paid | -68 | -109 | -77 | -108 | -147 | -123 | -151 | -192 | -110 | -109 | -233 | -240 |
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| Dividends paid to non-controlling interests | - | - | - | -2 | -1 | -2 | -2 | -2 | -1 | -1 | -1 | -1 |
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| Repayments of lease liabilities | - | - | - | - | - | - | - | - | -4 | -20 | -20 | -11 |
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| Net cash provided by (used in) financing activities | -206 | 534 | 463 | -47 | -16 | -283 | 40 | 598 | 632 | -1,323 | -103 | -849 |
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| Effect of exchange rate change on cash and cash equivalents | 17 | 45 | 52 | -35 | -47 | 12 | -40 | -15 | -17 | 91 | 84 | 77 |
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| Net increase (decrease) in cash and cash equivalents | 21 | 348 | 173 | 74 | 298 | 17 | 92 | 286 | 677 | -157 | -186 | 791 |
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