| 2023 |
| 12/12 | 1,244 | 1,249 | 1,201 | 1,204 | -3.29% | 324,800 | 185億9000万 | -13.01% |
| 12/11 | 1,257 | 1,275 | 1,235 | 1,245 | -0.08% | 206,300 | 192億2304万 | -10.69% |
| 12/08 | 1,284 | 1,294 | 1,241 | 1,246 | -4.37% | 434,300 | 192億3848万 | -11.06% |
| 12/07 | 1,348 | 1,348 | 1,303 | 1,303 | -3.48% | 264,200 | 201億1858万 | -7.39% |
| 12/06 | 1,349 | 1,357 | 1,329 | 1,350 | +0.07% | 207,200 | 208億4427万 | -4.32% |
| 12/05 | 1,376 | 1,395 | 1,346 | 1,349 | -2.25% | 162,400 | 208億2882万 | -4.46% |
| 12/04 | 1,351 | 1,388 | 1,348 | 1,380 | +1.55% | 183,100 | 213億747万 | -2.34% |
| 12/01 | 1,387 | 1,394 | 1,356 | 1,359 | -1.52% | 179,900 | 209億8323万 | -3.69% |
| 11/30 | 1,410 | 1,419 | 1,368 | 1,380 | -1.15% | 192,700 | 213億747万 | -2.2% |
| 11/29 | 1,425 | 1,434 | 1,388 | 1,396 | -2.1% | 204,600 | 215億5451万 | -1.06% |
| 11/28 | 1,467 | 1,467 | 1,424 | 1,426 | -2.33% | 203,200 | 220億1772万 | +1.13% |
| 11/27 | 1,427 | 1,478 | 1,418 | 1,460 | +4.36% | 422,600 | 225億4269万 | +3.47% |
| 11/24 | 1,389 | 1,433 | 1,388 | 1,399 | -0.36% | 155,500 | 216億83万 | -0.71% |
| 11/22 | 1,398 | 1,414 | 1,389 | 1,404 | -0.71% | 90,600 | 216億7804万 | -0.5% |
| 11/21 | 1,427 | 1,431 | 1,408 | 1,414 | -0.56% | 113,900 | 218億3244万 | +0.07% |
| 11/20 | 1,351 | 1,425 | 1,351 | 1,422 | +4.48% | 201,300 | 219億5596万 | +0.57% |
| 11/17 | 1,377 | 1,390 | 1,355 | 1,361 | -2.02% | 183,700 | 210億1411万 | -3.88% |
| 11/16 | 1,400 | 1,412 | 1,387 | 1,389 | -1.77% | 133,400 | 214億4643万 | -2.46% |
| 11/15 | 1,467 | 1,473 | 1,412 | 1,414 | -1.6% | 161,500 | 218億3244万 | -1.05% |
| 11/14 | 1,443 | 1,506 | 1,426 | 1,437 | -0.83% | 195,200 | 221億8756万 | +0.21% |
| 11/13 | 1,400 | 1,480 | 1,389 | 1,449 | -0.75% | 470,400 | 223億7284万 | +0.76% |
| 11/13 | 9:00 (訂正)「2024年3月期第2四半期決算説明資料」の一部訂正について |
| 11/10 | 15:30 過去の決算説明会におけるQ&Aリスト |
| 11/10 | 15:30 2024年3月期第2四半期決算説明資料 |
| 11/10 | 15:30 2024年3月期第2四半期決算短信〔日本基準〕(非連結) |
| 11/10 | 1,425 | 1,474 | 1,409 | 1,460 | +1.74% | 195,600 | 225億4269万 | +1.25% |
| 11/09 | 1,430 | 1,439 | 1,410 | 1,435 | +0.07% | 106,900 | 221億5668万 | -0.55% |
| 11/08 | 1,487 | 1,492 | 1,424 | 1,434 | -2.71% | 140,500 | 221億4124万 | -0.83% |
| 11/07 | 1,470 | 1,492 | 1,459 | 1,474 | +0.41% | 128,400 | 227億5885万 | +1.73% |
| 11/06 | 1,449 | 1,479 | 1,442 | 1,468 | +3.23% | 141,100 | 226億6621万 | +1.17% |
| 11/02 | 1,387 | 1,434 | 1,387 | 1,422 | +2.67% | 165,800 | 219億5596万 | -2.27% |
| 11/01 | 1,432 | 1,438 | 1,379 | 1,385 | -1.84% | 158,600 | 213億8467万 | -5.14% |
| 10/31 | 11:00 マイクロ波加熱を利用した小型分散型ケミカルリサイクルシステム構築のための共同開発契約締結のお知らせ |
| 10/31 | 1,378 | 1,443 | 1,346 | 1,411 | +3.07% | 419,100 | 217億8612万 | -3.88% |
| 10/30 | 1,365 | 1,381 | 1,347 | 1,369 | +0.07% | 122,800 | 211億3763万 | -7.19% |
| 10/27 | 1,340 | 1,368 | 1,321 | 1,368 | +3.01% | 157,800 | 211億2219万 | -7.82% |
| 10/26 | 1,332 | 1,368 | 1,324 | 1,328 | -3.07% | 193,100 | 205億458万 | -10.99% |
| 10/25 | 1,401 | 1,414 | 1,369 | 1,370 | -1.23% | 134,400 | 211億5307万 | -8.85% |
| 10/24 | 1,365 | 1,395 | 1,310 | 1,387 | +1.02% | 388,800 | 214億1555万 | -8.33% |
| 10/23 | 1,434 | 1,450 | 1,360 | 1,373 | -4.39% | 248,200 | 211億9939万 | -9.79% |
| 10/20 | 1,398 | 1,445 | 1,390 | 1,436 | +1.7% | 173,600 | 221億7212万 | -6.39% |
| 10/19 | 1,421 | 1,427 | 1,390 | 1,412 | -2.42% | 193,900 | 218億156万 | -8.43% |
| 10/18 | 1,451 | 1,466 | 1,426 | 1,447 | -1.3% | 148,300 | 223億4196万 | -6.65% |
| 10/17 | 1,496 | 1,535 | 1,450 | 1,466 | +3.17% | 443,800 | 226億3533万 | -5.78% |
| 10/16 | 1,480 | 1,493 | 1,421 | 1,421 | -5.01% | 306,200 | 219億4052万 | -9.14% |
| 10/13 | 1,528 | 1,532 | 1,490 | 1,496 | -2.86% | 184,100 | 230億9853万 | -4.96% |
| 10/12 | 15:30 従業員持株会設立に関するお知らせ |
| 10/12 | 1,524 | 1,540 | 1,510 | 1,540 | +1.58% | 139,900 | 237億7790万 | -2.59% |
| 10/11 | 1,549 | 1,559 | 1,514 | 1,516 | -1.81% | 158,500 | 234億734万 | -4.47% |
| 10/10 | 1,541 | 1,569 | 1,535 | 1,544 | +0.85% | 143,600 | 238億3966万 | -3.08% |
| 10/06 | 1,551 | 1,574 | 1,517 | 1,531 | -1.29% | 178,400 | 236億3894万 | -4.31% |
| 10/05 | 1,481 | 1,564 | 1,481 | 1,551 | +4.51% | 397,000 | 239億4775万 | -3.54% |
| 10/04 | 1,493 | 1,530 | 1,471 | 1,484 | -2.88% | 548,700 | 229億1325万 | -8.17% |
| 10/03 | 10:00 高い透明性と導電性を両立させた透明導電フィルム開発のお知らせ |
| 10/03 | 1,490 | 1,693 | 1,485 | 1,528 | +1.8% | 1,736,200 | 235億9262万 | -5.91% |
| 10/02 | 1,550 | 1,554 | 1,500 | 1,501 | -1.64% | 200,400 | 231億7574万 | -7.8% |
| 09/29 | 1,552 | 1,564 | 1,525 | 1,526 | -1.68% | 174,600 | 235億6174万 | -6.5% |
| 09/28 | 1,585 | 1,603 | 1,546 | 1,552 | -0.96% | 171,700 | 239億6319万 | -5.13% |
| 09/27 | 1,553 | 1,574 | 1,549 | 1,567 | -0.06% | 106,300 | 241億9479万 | -4.45% |
| 09/26 | 1,604 | 1,611 | 1,557 | 1,568 | -2.24% | 119,800 | 242億1023万 | -4.22% |
| 09/25 | 1,595 | 1,613 | 1,575 | 1,604 | +0.56% | 103,300 | 247億6608万 | -1.96% |
| 09/22 | 1,544 | 1,602 | 1,525 | 1,595 | +2.24% | 200,200 | 246億797万 | -2.21% |
| 09/21 | 1,604 | 1,614 | 1,552 | 1,560 | -2.86% | 228,100 | 240億6799万 | -4.18% |
| 09/20 | 1,606 | 1,623 | 1,600 | 1,606 | -0.12% | 83,900 | 247億7768万 | -1.47% |
| 09/19 | 1,615 | 1,628 | 1,605 | 1,608 | -0.8% | 101,200 | 248億854万 | -1.41% |
| 09/15 | 1,660 | 1,670 | 1,619 | 1,621 | -2.35% | 195,700 | 250億911万 | -0.67% |
| 09/14 | 1,640 | 1,693 | 1,632 | 1,660 | +1.22% | 244,900 | 256億1081万 | +1.65% |
| 09/13 | 1,619 | 1,645 | 1,606 | 1,640 | +1.67% | 144,500 | 253億224万 | +0.37% |
| 09/12 | 1,621 | 1,659 | 1,606 | 1,613 | +0.19% | 197,400 | 248億8568万 | -1.71% |
| 09/11 | 1,646 | 1,656 | 1,605 | 1,610 | -2.78% | 201,000 | 248億3940万 | -2.19% |
| 09/08 | 1,651 | 1,675 | 1,642 | 1,656 | -0.66% | 182,300 | 255億4909万 | +0.24% |
| 09/07 | 1,673 | 1,697 | 1,657 | 1,667 | -1.13% | 196,600 | 257億1880万 | +0.66% |
| 09/06 | 1,677 | 1,706 | 1,663 | 1,686 | +0.36% | 208,800 | 260億1194万 | +1.51% |
| 09/05 | 1,670 | 1,694 | 1,654 | 1,680 | +0.36% | 218,100 | 259億1937万 | +0.84% |
| 09/04 | 1,709 | 1,720 | 1,668 | 1,674 | -2.5% | 367,600 | 258億2680万 | +0.12% |
| 09/01 | 1,715 | 1,729 | 1,690 | 1,717 | -0.35% | 275,100 | 264億9021万 | +2.32% |
| 08/31 | 1,753 | 1,799 | 1,722 | 1,723 | -1.66% | 675,800 | 265億8278万 | +2.32% |
| 08/30 | 1,707 | 1,767 | 1,688 | 1,752 | +4.16% | 1,061,700 | 270億3020万 | +3.73% |
| 08/29 | 1,647 | 1,685 | 1,633 | 1,682 | +3.51% | 322,400 | 259億5023万 | -0.65% |
| 08/28 | 1,653 | 1,667 | 1,622 | 1,625 | +0.31% | 299,300 | 250億7082万 | -4.36% |
| 08/25 | 1,592 | 1,672 | 1,588 | 1,620 | +0.25% | 584,100 | 249億9368万 | -5.15% |
| 08/24 | 1,637 | 1,657 | 1,596 | 1,616 | -2% | 609,700 | 249億3197万 | -5.99% |
| 08/23 | 1,497 | 1,660 | 1,497 | 1,649 | +9.71% | 1,376,200 | 254億4110万 | -4.85% |
| 08/22 | 1,537 | 1,543 | 1,491 | 1,503 | -1.57% | 226,200 | 231億1974万 | -13.82% |
| 08/21 | 1,422 | 1,540 | 1,419 | 1,527 | +3.04% | 500,800 | 234億8892万 | -13.09% |
| 08/18 | 1,491 | 1,515 | 1,468 | 1,482 | -3.2% | 579,900 | 227億9671万 | -16.27% |
| 08/17 | 1,605 | 1,622 | 1,512 | 1,531 | -4.73% | 769,200 | 235億5045万 | -14.23% |
| 08/16 | 1,603 | 1,634 | 1,601 | 1,607 | -0.5% | 235,100 | 247億1951万 | -10.77% |
| 08/15 | 1,640 | 1,650 | 1,605 | 1,615 | -1.1% | 344,200 | 248億4257万 | -10.92% |
| 08/14 | 1,642 | 1,686 | 1,631 | 1,633 | -1.51% | 323,000 | 251億1945万 | -10.57% |
| 08/10 | 1,641 | 1,671 | 1,631 | 1,658 | -1.31% | 505,800 | 255億401万 | -9.84% |
| 08/09 | 1,736 | 1,776 | 1,673 | 1,680 | -7.64% | 999,400 | 258億4243万 | -9.48% |
| 08/08 | 18:15 マイクロ波プロセスを応用したプラスチックの新規ケミカルリサイクル法の実証開発がNEDOの「課題設定型産業技術開発費助成金」に採択 |
| 08/08 | 15:30 2024年3月期第1四半期決算説明資料 |
| 08/08 | 15:30 2024年3月期第1四半期決算短信〔日本基準〕(非連結) |
| 08/08 | 1,774 | 1,825 | 1,762 | 1,819 | +4% | 574,100 | 279億8058万 | -2.93% |
| 08/07 | 1,733 | 1,766 | 1,725 | 1,749 | +0.11% | 303,000 | 269億381万 | -7.21% |
| 08/04 | 1,737 | 1,780 | 1,725 | 1,747 | -0.23% | 321,100 | 268億7305万 | -7.81% |
| 08/03 | 1,783 | 1,795 | 1,751 | 1,751 | -3.05% | 456,900 | 269億3458万 | -8.08% |
| 08/02 | 1,810 | 1,835 | 1,795 | 1,806 | -0.5% | 386,300 | 277億8061万 | -5.74% |
| 08/01 | 1,845 | 1,885 | 1,814 | 1,815 | -0.66% | 934,600 | 279億1905万 | -5.71% |
| 07/31 | 1,835 | 1,846 | 1,822 | 1,827 | 0% | 344,100 | 281億364万 | -5.19% |
| 07/28 | 1,843 | 1,853 | 1,810 | 1,827 | -1.77% | 522,500 | 281億364万 | -5.19% |
| 07/27 | 13:00 マイクロ波加熱を利用した革新的ナフサクラッキング技術の開発事業がNEDO脱炭素社会実現に向けた省エネルギー技術の研究開発・社会実装促進プログラムに採択 |
| 07/27 | 1,818 | 1,898 | 1,814 | 1,860 | +1.47% | 1,012,100 | 286億1126万 | -3.53% |
| 07/26 | 1,852 | 1,862 | 1,825 | 1,833 | -2.08% | 301,100 | 281億9593万 | -5.08% |
| 07/25 | 1,830 | 1,873 | 1,815 | 1,872 | +2.3% | 462,000 | 287億9585万 | -3.06% |
| 07/24 | 1,840 | 1,854 | 1,815 | 1,830 | -0.33% | 499,000 | 281億404万 | -5.08% |
| 07/21 | 1,890 | 1,892 | 1,834 | 1,836 | -3.97% | 634,900 | 281億9618万 | -4.52% |
| 07/20 | 1,959 | 1,974 | 1,910 | 1,912 | -2.45% | 512,400 | 293億6334万 | -0.31% |
| 07/19 | 1,946 | 1,960 | 1,926 | 1,960 | +1.92% | 660,700 | 301億50万 | +2.51% |
