Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11718118 | Recording medium, exterior member, and method of recording on recording medium | — | 2023-08-08 |
| 11493671 | Stacked lens structure, camera module, and electronic apparatus | Yoichi Negoro | 2022-11-08 |
| 11485147 | Drawing method, heat-sensitive recording medium, and drawing device | — | 2022-11-01 |
| 11367463 | Reversible recording medium | Isao Takahashi, Satoko Asaoka, Taichi Takeuchi, Asuka Tejima, Kentaro Kuriyama | 2022-06-21 |
| 11364727 | Drawing and erasing apparatus and erasing method | Isao Takahashi, Nobukazu Hirai, Satoko Asaoka, Taichi Takeuchi, Eikichi Shibata | 2022-06-21 |
| 11325399 | Laser device and laser processing method | — | 2022-05-10 |
| 11173740 | Erasing unit and erasing method | Isao Takahashi, Satoko Asaoka, Taichi Takeuchi, Asuka Tejima, Kentaro Kuriyama | 2021-11-16 |
| 10910010 | Reversible recording medium | Isao Takahashi, Satoko Asaoka, Taichi Takeuchi, Asuka Tejima, Kentaro Kuriyama | 2021-02-02 |
| 9304322 | Phase difference element and display unit | Junichi Inoue | 2016-04-05 |
| 9164322 | Display unit | Akihiro Shibata | 2015-10-20 |
| 9091815 | Retardation element and display | — | 2015-07-28 |
| 8558970 | Display unit | Kei Obata, Akihiro Horii, Hiroshi Mizuno, Noriyuki Hirai | 2013-10-15 |
| 8449797 | Method of manufacturing retardation film | Shinya Suzuki | 2013-05-28 |
| 8400578 | Optical film, method of manufacturing the same, and display unit | Kei Obata, Jun Shimizu | 2013-03-19 |
| 8334950 | Illumination apparatus and liquid crystal display apparatus | Kei Obata, Akihiro Horii, Noriyuki Hirai, Hiroshi Mizuno, Jun Shimizu | 2012-12-18 |
| 8305503 | Phase difference element and display device | — | 2012-11-06 |
| 8237886 | Optical sheet, method of manufacturing the same, and display apparatus | Kei Obata, Jun Shimizu, Kentaro Okuyama, Mitsuo Arima | 2012-08-07 |
| 8223280 | Phase difference element and display device | — | 2012-07-17 |
| 8174640 | Illumination apparatus and liquid crystal display apparatus | — | 2012-05-08 |
| 8107036 | Backlight device, liquid crystal display apparatus, and light deflecting sheet | — | 2012-01-31 |
| 8089569 | Phase difference element and display device | — | 2012-01-03 |
| 8035603 | Illumination system and liquid crystal display | Norimasa Furukawa, Mitsuru Okabe | 2011-10-11 |
| 8013950 | Optical sheet combination structure, surface emitting device, and liquid crystal device | Hiroshi Mizuno, Akihiro Horii, Noriyuki Hirai, Kei Obata, Kiyohiro Kimura +1 more | 2011-09-06 |
| 8011802 | Optical film, lighting device and display unit | — | 2011-09-06 |
| 7980712 | Light-transmissive film, method for manufacturing the same, and display apparatus | Akihiro Horii, Kei Obata, Noriyuki Hirai, Hiroshi Mizuno | 2011-07-19 |