Issued Patents All Time
Showing 1–25 of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12422717 | Optical element | Takeo Koito | 2025-09-23 |
| 12416837 | Liquid crystal device | Takeo Koito | 2025-09-16 |
| 12411363 | Lighting device and optical element | Takeo Koito, Tae Kurokawa | 2025-09-09 |
| 12399401 | Liquid crystal device | Takeo Koito, Koichi Nagao, Shinichiro Tanaka | 2025-08-26 |
| 12372837 | Optical device | Takeo Koito, Tae Kurokawa | 2025-07-29 |
| 12345983 | Light adjustment device and panel unit | Takeo Koito | 2025-07-01 |
| 12345982 | Display device | Tenfu NAKAMURA, Kentaro Okuyama | 2025-07-01 |
| 12345985 | Optical element | Takeo Koito, Yoshikatsu Imazeki | 2025-07-01 |
| 12320478 | Lighting device | Takeo Koito, Keiji Takizawa | 2025-06-03 |
| 12305829 | Illumination device and optical element | Takeo Koito, Tae Kurokawa | 2025-05-20 |
| 12253762 | Optical element including stacked liquid crystal cells | Takeo Koito | 2025-03-18 |
| 12248227 | Method for driving optical element | Takayuki Imai, Takeo Koito | 2025-03-11 |
| 12216363 | Liquid crystal light control device | Tae Kurokawa, Takeo Koito | 2025-02-04 |
| 12210251 | Liquid crystal light control device and lighting device | Takeo Koito, Tae Kurokawa | 2025-01-28 |
| 12197090 | Light adjustment device and light adjustment device manufacturing method | Yoshikatsu Imazeki, Yoshifumi KAMEI, Takeo Koito | 2025-01-14 |
| 12174493 | Liquid crystal light control device | Takeo Koito, Tae Kurokawa | 2024-12-24 |
| 12169336 | Optical element | Takeo Koito, Tae Kurokawa | 2024-12-17 |
| 12163642 | Lighting device | Takeo Koito, Tae Kurokawa, Keiji Takizawa | 2024-12-10 |
| 12140837 | Liquid crystal light control device | Takeo Koito, Tae Kurokawa | 2024-11-12 |
| 12140306 | Optical element and lighting device | Tae Kurokawa, Takeo Koito | 2024-11-12 |
| 12094431 | Display device | Kentaro Okuyama, Masaaki Kabe | 2024-09-17 |
| 12078891 | Liquid crystal device | Takeo Koito, Koichi Nagao, Shinichiro Tanaka | 2024-09-03 |
| 12044939 | Liquid crystal device | Takeo Koito | 2024-07-23 |
| 12044934 | Optical element | Takeo Koito | 2024-07-23 |
| 12038655 | Optical element | Tae Kurokawa, Takeo Koito | 2024-07-16 |