| 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 | 384 | 1,106 | 672 | 779 | 735 | 485 | 453 | 32 | -512 | -1,117 | -691 | 2,834 |
|---|
| Depreciation | 841 | 755 | 844 | 928 | 1,062 | 902 | 765 | 710 | 684 | 550 | 576 | 587 |
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| Increase (decrease) in allowance for doubtful accounts | 4 | -1 | -0 | -2 | 3 | 1 | 5 | 0 | 21 | -14 | -11 | -2 |
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| Increase (decrease) in provision for bonuses for directors (and other officers) | -3 | 3 | - | - | - | - | - | - | - | - | - | 13 |
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| Increase (decrease) in retirement benefit liability | - | -31 | -20 | 45 | 59 | 28 | 31 | 38 | 13 | 29 | 31 | 5 |
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| Factory relocation expenses allowance | - | - | - | - | - | - | - | - | - | 550 | 10 | - |
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| Increase (decrease) in provision for dismantlement related expenses | - | - | - | - | - | - | - | - | - | - | 363 | - |
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| Interest and dividend income | -125 | -131 | -97 | -115 | -113 | -113 | -123 | -133 | -134 | -125 | -118 | -115 |
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| Interest expenses | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 2 | 2 | 3 |
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| Loss (gain) on disposal of property, plant and equipment | 16 | 8 | 0 | 2 | -151 | 13 | 43 | 4 | 6 | 4 | -9 | -2,135 |
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| Dismantlement related expenses | - | - | - | - | - | - | - | - | - | - | 14 | - |
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| Factory relocation expense | - | - | - | - | - | - | - | - | - | 72 | 46 | - |
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| Loss (gain) on sale of investment securities | - | - | - | -7 | -60 | -68 | -55 | -41 | -82 | -81 | -1 | -83 |
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| Loss (gain) on valuation of investment securities | - | - | - | - | - | - | - | 348 | - | - | 85 | - |
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| Loss (gain) on investments in investment partnerships | 36 | -618 | -100 | 9 | -77 | -181 | -6 | -17 | -7 | -6 | -6 | - |
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| Subsidy income | - | - | -20 | -159 | -59 | -9 | -4 | -15 | -9 | - | -117 | -148 |
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| Decrease (increase) in trade receivables | -128 | -199 | -314 | -94 | 129 | 109 | -214 | 256 | 830 | -197 | -461 | -23 |
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| Decrease (increase) in inventories | -15 | -62 | -110 | -367 | 99 | -29 | -160 | 117 | 347 | -164 | -194 | -171 |
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| Increase (decrease) in trade payables | 41 | 44 | 12 | 133 | -36 | 20 | 41 | -52 | -155 | 191 | 135 | -54 |
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| Increase (decrease) in accrued expenses | -20 | 4 | 9 | 24 | -6 | -17 | 6 | -33 | -81 | 20 | 26 | 35 |
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| Increase (decrease) in accrued consumption taxes | -36 | 15 | 70 | -40 | 42 | -45 | -15 | 13 | -89 | 26 | -58 | 198 |
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| Other, net | 55 | -63 | -40 | -67 | 11 | 38 | 39 | -62 | -102 | 1 | -18 | -14 |
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| Subtotal | 1,049 | 943 | 944 | 1,072 | 1,843 | 1,145 | 773 | 1,190 | 856 | -116 | -394 | 929 |
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| Interest and dividends received | 125 | 131 | 98 | 116 | 115 | 114 | 125 | 134 | 135 | 126 | 119 | 115 |
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| Subsidies received | - | - | - | - | - | - | - | - | - | - | 117 | 148 |
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| Interest paid | -1 | -1 | -1 | -1 | -1 | -0 | -0 | -0 | -1 | -2 | -2 | -3 |
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| Payment of demolition and removal costs | - | - | - | - | - | - | - | - | - | - | -3 | -579 |
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| Payments for factory transfer expenses | - | - | - | - | - | - | - | - | - | -66 | -603 | -7 |
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| Income taxes refund (paid) | 40 | -3 | -276 | -30 | -379 | -23 | -190 | -240 | 29 | -14 | -27 | -38 |
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| Net cash provided by (used in) operating activities | 1,215 | 1,070 | 764 | 1,158 | 1,579 | 1,236 | 708 | 1,084 | 1,019 | -71 | -794 | 565 |
|---|
| Purchase of property, plant and equipment | -956 | -548 | -1,834 | -1,320 | -1,158 | -457 | -479 | -580 | -1,102 | -185 | -1,358 | -721 |
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| Proceeds from sale of property, plant and equipment | 7 | 2 | 10 | 4 | 190 | 1 | 0 | 5 | 3 | 52 | 16 | 2,414 |
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| Proceeds from earnest related sales of property, plant and equipment | - | - | - | - | - | - | - | - | - | - | 267 | - |
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| Purchase of investment securities | -174 | -400 | -1,332 | -48 | -1,934 | -300 | -1,182 | -145 | - | - | - | -97 |
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| Proceeds from sale and redemption of investment securities | 2 | 1,606 | 130 | 18 | 565 | 88 | 760 | 215 | 664 | 397 | 736 | 322 |
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| Proceeds from distributions from investment partnerships | 503 | 1,075 | 550 | 780 | 130 | 297 | 4 | 16 | 7 | 5 | 5 | - |
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| Other, net | -89 | 24 | 4 | -149 | 34 | -47 | -56 | -61 | -20 | 12 | 10 | -12 |
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| Net cash provided by (used in) investing activities | -699 | 1,746 | -2,917 | -421 | -2,093 | -375 | -948 | -535 | -414 | 174 | -324 | 1,904 |
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| Dividends paid | -510 | -509 | -509 | -510 | -509 | -510 | -509 | -509 | -357 | -319 | -293 | -280 |
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| Increase (decrease) in short-term borrowings | 46 | 18 | - | - | - | - | - | - | - | - | - | 100 |
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| Proceeds from long-term borrowings | - | - | - | - | - | - | - | - | 130 | - | 30 | 430 |
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| Repayments of long-term borrowings | - | - | - | - | -7 | -7 | -5 | -3 | -3 | -11 | - | -179 |
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| Purchase of treasury shares | -0 | -0 | -0 | -0 | -0 | -0 | -0 | -0 | -0 | -0 | -0 | - |
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| Other, net | -1 | -1 | -1 | -3 | -10 | -10 | -8 | -8 | -8 | -8 | -8 | -6 |
|---|
| Net cash provided by (used in) financing activities | -465 | -492 | -509 | -513 | -557 | -527 | -523 | -520 | -238 | -339 | -272 | 65 |
|---|
| Net increase (decrease) in cash and cash equivalents | 51 | 2,324 | -2,662 | 224 | -1,071 | 334 | -764 | 29 | 368 | -236 | -1,389 | 2,534 |
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