Issued Patents All Time
Showing 25 most recent of 294 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12339486 | Backlight and display device | Takashi Ota, Shinichi Komura, Hiroaki KIJIMA, Koichi Okuda | 2025-06-24 |
| 12331909 | Lighting device | Makoto Hasegawa, Masafumi Okada | 2025-06-17 |
| 12320497 | Lighting device | Masafumi Okada, Makoto Hasegawa | 2025-06-03 |
| 12306494 | Compound backlight with edge lighting | Scott PIECUCH, Ying Zheng | 2025-05-20 |
| 12282224 | Backlight and display device | Takashi Ota, Michihide SHIBATA, Masafumi Okada | 2025-04-22 |
| 12248167 | Illumination device | Makoto Hasegawa, Masafumi Okada | 2025-03-11 |
| 12205316 | Ambient illuminance sensor system | Samu Matias Kallio, Ruidong Zhu, Wenjie Shi | 2025-01-21 |
| 12196410 | Lighting device | Masafumi Okada, Makoto Hasegawa | 2025-01-14 |
| 12164188 | Electronic device | Yoshiro Aoki, Akio Takimoto, Yoshiomi Yoshii, Hirondo NAKATOGAWA | 2024-12-10 |
| 12099273 | Lighting device with LED facing a disc shaped light guide | Makoto Hasegawa, Masafumi Okada | 2024-09-24 |
| 12027196 | Memory system, control method, and power control circuit | Megumi Shibatani, Takashi Ooshima | 2024-07-02 |
| 12018831 | Lighting device | Masafumi Okada, Makoto Hasegawa | 2024-06-25 |
| 12013610 | Light emitting device and illumination device | Masafumi Okada, Makoto Hasegawa | 2024-06-18 |
| 12008958 | HDR OLED display power control | Baek-Woon Lee, Ying Zheng, Samu Matias Kallio, Kari Jussi Ropo | 2024-06-11 |
| 12007097 | Lighting device | Makoto Hasegawa, Takeo Koito | 2024-06-11 |
| 11934001 | Lighting device having a light guide with prism array formed thereon and a prism sheet and white LEDs | Makoto Hasegawa | 2024-03-19 |
| 11898709 | Lighting device | Takashi Ota, Makoto Hasegawa, Masafumi Okada | 2024-02-13 |
| 11885478 | Lighting device | Makoto Hasegawa, Ken Kagabu | 2024-01-30 |
| 11852303 | Lighting device | Makoto Hasegawa, Takeo Koito, Masafumi Okada | 2023-12-26 |
| 11828454 | Lighting device | Makoto Hasegawa, Masafumi Okada | 2023-11-28 |
| 11815259 | Lighting device | Masafumi Okada | 2023-11-14 |
| 11747670 | Lighting device | Makoto Hasegawa, Masafumi Okada | 2023-09-05 |
| 11739909 | Lighting device | Masafumi Okada, Makoto Hasegawa | 2023-08-29 |
| 11726251 | Display device having LCD with separate polarizing plates | Munenori Motooka | 2023-08-15 |
| 11703710 | Lighting device of thin, small light distribution angle and less power consumption | Makoto Hasegawa, Masafumi Okada | 2023-07-18 |