| 2019 |
| 08/30 | 867 | 867 | 867 | 867 | +20.92% | 6,300 | 359億3715万 | +59.38% |
| 08/29 | 717 | 717 | 717 | 717 | +16.21% | 2,600 | 297億1965万 | +34.77% |
| 08/28 | 617 | 617 | 617 | 617 | +19.34% | 3,400 | 255億7465万 | +17.52% |
| 08/27 | 15:30 主要株主及びその他の関係会社の異動に関するお知らせ |
| 08/27 | 15:30 支配株主である日本化薬株式会社による当社株式に対する公開買付けに関する賛同及び応募推奨に関する意見表明のお知らせ |
| 08/27 | 512 | 517 | 509 | 517 | +1.17% | 1,700 | 214億2965万 | -1.15% |
| 08/26 | 507 | 511 | 502 | 511 | -0.58% | 2,100 | 211億8095万 | -2.67% |
| 08/23 | 516 | 516 | 512 | 514 | -0.39% | 1,800 | 213億530万 | -2.28% |
| 08/22 | 514 | 516 | 511 | 516 | +0.39% | 1,100 | 213億8820万 | -2.09% |
| 08/21 | 514 | 514 | 510 | 514 | 0% | 2,900 | 213億530万 | -2.84% |
| 08/20 | 514 | 514 | 509 | 514 | +0.19% | 1,100 | 213億530万 | -3.02% |
| 08/19 | 510 | 513 | 510 | 513 | 0% | 400 | 212億6385万 | -3.39% |
| 08/16 | 513 | 513 | 508 | 513 | -0.39% | 1,300 | 212億6385万 | -3.75% |
| 08/15 | 503 | 515 | 503 | 515 | 0% | 2,900 | 213億4675万 | -3.56% |
| 08/14 | 519 | 522 | 512 | 515 | +0.59% | 2,200 | 213億4675万 | -3.56% |
| 08/13 | 514 | 514 | 509 | 512 | -0.58% | 2,300 | 212億2240万 | -4.3% |
| 08/09 | 521 | 525 | 514 | 515 | 0% | 8,700 | 213億4675万 | -3.92% |
| 08/08 | 510 | 515 | 510 | 515 | +0.59% | 2,500 | 213億4675万 | -4.1% |
| 08/07 | 508 | 516 | 508 | 512 | +0.2% | 3,300 | 212億2240万 | -4.83% |
| 08/06 | 491 | 511 | 480 | 511 | +3.86% | 18,800 | 211億8095万 | -5.19% |
| 08/05 | 501 | 501 | 490 | 492 | -1.8% | 10,200 | 203億9340万 | -8.89% |
| 08/02 | 511 | 513 | 500 | 501 | -2.34% | 19,500 | 207億6645万 | -7.39% |
| 08/01 | 516 | 524 | 513 | 513 | -0.58% | 9,500 | 212億6385万 | -5.35% |
| 07/31 | 510 | 521 | 505 | 516 | -7.53% | 64,300 | 213億8820万 | -4.8% |
| 07/30 | 15:30 2020年3月期第1四半期決算短信〔日本基準〕(連結) |
| 07/30 | 15:30 業績予想の修正に関するお知らせ |
| 07/30 | 557 | 566 | 550 | 558 | -0.36% | 25,400 | 231億2910万 | +2.95% |
| 07/29 | 558 | 560 | 554 | 560 | +0.9% | 9,400 | 232億1200万 | +3.51% |
| 07/26 | 556 | 556 | 550 | 555 | -0.18% | 7,100 | 230億475万 | +2.97% |
| 07/25 | 559 | 559 | 554 | 556 | -0.54% | 2,200 | 230億4620万 | +3.54% |
| 07/24 | 560 | 560 | 554 | 559 | -0.18% | 4,100 | 231億7055万 | +4.29% |
| 07/23 | 555 | 561 | 550 | 560 | +0.9% | 12,000 | 232億1200万 | +4.87% |
| 07/22 | 551 | 557 | 550 | 555 | 0% | 12,000 | 230億475万 | +4.32% |
| 07/19 | 540 | 555 | 540 | 555 | +2.97% | 17,500 | 230億475万 | +4.52% |
| 07/18 | 549 | 549 | 539 | 539 | -2% | 9,600 | 223億4155万 | +1.89% |
| 07/17 | 552 | 552 | 547 | 550 | +0.55% | 5,400 | 227億9750万 | +4.17% |
| 07/16 | 549 | 549 | 540 | 547 | -0.55% | 8,500 | 226億7315万 | +3.6% |
| 07/12 | 550 | 550 | 539 | 550 | +1.29% | 30,100 | 227億9750万 | +4.36% |
| 07/11 | 536 | 543 | 536 | 543 | +1.31% | 4,700 | 225億735万 | +3.43% |
| 07/10 | 540 | 540 | 536 | 536 | 0% | 2,900 | 222億1720万 | +2.1% |
| 07/09 | 536 | 540 | 530 | 536 | -0.19% | 12,600 | 222億1720万 | +2.29% |
| 07/08 | 540 | 540 | 535 | 537 | -0.56% | 6,300 | 222億5865万 | +2.87% |
| 07/05 | 540 | 541 | 537 | 540 | 0% | 4,100 | 223億8300万 | +3.65% |
| 07/04 | 539 | 540 | 536 | 540 | +0.75% | 10,400 | 223億8300万 | +3.85% |
| 07/03 | 532 | 536 | 532 | 536 | +0.75% | 4,700 | 222億1720万 | +3.47% |
| 07/02 | 531 | 533 | 527 | 532 | +0.95% | 7,200 | 220億5140万 | +2.9% |
| 07/01 | 528 | 529 | 523 | 527 | +1.15% | 5,100 | 218億4415万 | +2.13% |
| 06/28 | 15:30 支配株主等に関する事項について |
| 06/28 | 522 | 525 | 520 | 521 | -0.38% | 16,300 | 215億9545万 | +1.17% |
| 06/27 | 521 | 525 | 517 | 523 | +0.38% | 15,900 | 216億7835万 | +1.75% |
| 06/26 | 521 | 524 | 518 | 521 | -0.19% | 12,300 | 215億9545万 | +1.36% |
| 06/25 | 518 | 522 | 516 | 522 | +1.16% | 9,500 | 216億3690万 | +1.56% |
| 06/24 | 514 | 519 | 513 | 516 | +0.19% | 25,200 | 213億8820万 | +0.58% |
| 06/21 | 516 | 519 | 515 | 515 | 0% | 4,900 | 213億4675万 | +0.39% |
| 06/20 | 515 | 517 | 511 | 515 | +0.39% | 13,000 | 213億4675万 | +0.39% |
| 06/19 | 520 | 521 | 511 | 513 | -0.97% | 16,200 | 212億6385万 | 0% |
| 06/18 | 523 | 523 | 515 | 518 | 0% | 13,500 | 214億7110万 | +0.78% |
| 06/17 | 513 | 521 | 512 | 518 | +0.39% | 18,200 | 214億7110万 | +0.78% |
| 06/14 | 521 | 526 | 516 | 516 | -0.77% | 4,500 | 213億8820万 | +0.39% |
| 06/13 | 521 | 522 | 518 | 520 | 0% | 9,700 | 215億5400万 | +1.17% |
| 06/12 | 528 | 528 | 512 | 520 | -1.14% | 16,600 | 215億5400万 | +0.97% |
| 06/11 | 526 | 528 | 523 | 526 | +0.77% | 10,300 | 218億270万 | +1.94% |
| 06/10 | 528 | 528 | 521 | 522 | 0% | 4,600 | 216億3690万 | +0.97% |
| 06/07 | 523 | 527 | 517 | 522 | -0.19% | 16,400 | 216億3690万 | +0.77% |
| 06/06 | 511 | 524 | 511 | 523 | +1.95% | 21,700 | 216億7835万 | +0.77% |
| 06/05 | 514 | 515 | 503 | 513 | +1.58% | 17,800 | 212億6385万 | -1.35% |
| 06/04 | 503 | 506 | 500 | 505 | +0.4% | 7,400 | 209億3225万 | -3.26% |
| 06/03 | 503 | 509 | 499 | 503 | -0.59% | 14,100 | 208億4935万 | -4.01% |
| 05/31 | 15:30 役員の異動、組織変更及び人事異動に関するお知らせ |
| 05/31 | 15:30 剰余金の配当に関するお知らせ |
| 05/31 | 505 | 509 | 503 | 506 | 0% | 7,800 | 209億7370万 | -3.8% |
| 05/30 | 503 | 511 | 494 | 506 | +0.6% | 40,300 | 209億7370万 | -4.17% |
| 05/29 | 505 | 509 | 502 | 503 | -0.79% | 13,600 | 208億4935万 | -5.27% |
| 05/28 | 508 | 511 | 505 | 507 | +0.6% | 7,500 | 210億1515万 | -5.23% |
| 05/27 | 505 | 506 | 500 | 504 | +0.2% | 14,400 | 208億9080万 | -6.32% |
| 05/24 | 502 | 508 | 501 | 503 | -0.98% | 28,400 | 208億4935万 | -6.85% |
| 05/23 | 518 | 519 | 507 | 508 | -1.74% | 41,700 | 210億5660万 | -6.45% |
| 05/22 | 518 | 522 | 517 | 517 | +0.98% | 8,100 | 214億2965万 | -4.96% |
| 05/21 | 514 | 515 | 511 | 512 | -0.78% | 7,200 | 212億2240万 | -6.23% |
| 05/20 | 521 | 521 | 513 | 516 | -0.58% | 16,200 | 213億8820万 | -5.67% |
| 05/17 | 520 | 520 | 515 | 519 | +0.39% | 9,300 | 215億1255万 | -5.46% |
| 05/16 | 524 | 524 | 516 | 517 | -0.19% | 14,600 | 214億2965万 | -6% |
| 05/15 | 521 | 521 | 508 | 518 | -0.19% | 14,800 | 214億7110万 | -5.99% |
| 05/14 | 510 | 519 | 505 | 519 | 0% | 27,200 | 215億1255万 | -6.15% |
| 05/13 | 533 | 533 | 515 | 519 | -2.63% | 33,600 | 215億1255万 | -6.32% |
| 05/10 | 561 | 562 | 530 | 533 | -1.48% | 125,000 | 220億9285万 | -3.96% |
| 05/09 | 15:30 2019年3月期決算短信〔日本基準〕(連結) |
| 05/09 | 600 | 611 | 529 | 541 | +0.19% | 516,300 | 224億2445万 | -2.7% |
| 05/08 | 15:30 液晶ディスプレイ、有機ＥＬディスプレイの高性能化のためのインセル用偏光子の開発 |
| 05/08 | 545 | 546 | 538 | 540 | -1.1% | 15,400 | 223億8300万 | -3.05% |
| 05/07 | 548 | 553 | 546 | 546 | -0.91% | 12,900 | 226億3170万 | -1.97% |
| 04/26 | 545 | 551 | 542 | 551 | +0.36% | 7,200 | 228億3895万 | -1.08% |
| 04/25 | 550 | 553 | 545 | 549 | -0.18% | 11,400 | 227億5605万 | -1.44% |
| 04/24 | 554 | 554 | 545 | 550 | -1.08% | 28,200 | 227億9750万 | -1.43% |
| 04/23 | 16:00 業績予想の修正に関するお知らせ |
| 04/23 | 560 | 563 | 552 | 556 | +0.36% | 20,700 | 230億4620万 | -0.36% |
| 04/22 | 558 | 563 | 553 | 554 | -1.25% | 15,500 | 229億6330万 | -0.72% |
| 04/19 | 557 | 562 | 553 | 561 | +0.72% | 21,100 | 232億5345万 | +0.54% |
| 04/18 | 581 | 581 | 555 | 557 | -4.3% | 43,600 | 230億8765万 | -0.18% |
| 04/17 | 593 | 594 | 582 | 582 | -1.69% | 11,500 | 241億2390万 | +4.3% |
| 04/16 | 598 | 600 | 568 | 592 | +0.85% | 62,700 | 245億3840万 | +6.28% |
| 04/15 | 561 | 588 | 561 | 587 | +4.82% | 68,200 | 243億3115万 | +5.77% |
| 04/12 | 565 | 568 | 557 | 560 | -1.06% | 21,300 | 232億1200万 | +1.08% |
| 04/11 | 551 | 566 | 551 | 566 | +2.91% | 19,200 | 234億6070万 | +2.17% |
| 04/10 | 550 | 555 | 550 | 550 | -0.18% | 7,200 | 227億9750万 | -0.72% |
| 04/09 | 555 | 555 | 549 | 551 | -0.18% | 9,700 | 228億3895万 | -0.72% |
| 04/08 | 553 | 555 | 550 | 552 | 0% | 6,300 | 228億8040万 | -0.54% |
| 04/05 | 553 | 553 | 550 | 552 | +0.18% | 3,300 | 228億8040万 | -0.72% |
| 04/04 | 551 | 551 | 549 | 551 | +0.18% | 4,800 | 228億3895万 | -0.9% |
| 04/03 | 546 | 551 | 546 | 550 | -0.36% | 7,000 | 227億9750万 | -1.26% |
