Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12374863 | Light-emission driving device and light-emitting device | Akihito Kamiegawa, Katsuhisa Daio, Hayato Kamizuru | 2025-07-29 |
| 12282117 | Light source apparatus and sensing module | Mitsushi Tabata, Takashi Masuda, Yasuo Oba | 2025-04-22 |
| 12206219 | Light source apparatus, temperature detection method, and sensing module | Mitsushi Tabata, Takashi Masuda | 2025-01-21 |
| 11996673 | Drive device and light emitting device | Mitsushi Tabata | 2024-05-28 |
| 11996675 | Laser drive circuit and sensor apparatus | Mitsushi Tabata, Takashi Masuda, Toshiyuki Kitazawa | 2024-05-28 |
| 11973314 | Light-source drive device and light-emitting device | Hayato Kamizuru, Katsuhisa Daio, Akihito Kamiegawa, Naoki Masumitsu | 2024-04-30 |
| 11962124 | Detection circuit, driving circuit, and light emitting device | Mitsushi Tabata | 2024-04-16 |
| 11901700 | Driving device, driving method, and light-emitting unit | Naoki Masumitsu, Katsuhisa Daio, Akihito Kamiegawa, Shouichi Kuroki, Masatoshi Kitada +1 more | 2024-02-13 |
| 8829813 | Correction circuit, drive circuit, light-emitting device and correction method of current pulse waveform | Osamu Maeda, Katsuhisa Daio, Koichi Kobe, Hirofumi Nakano, Takahiro Arakida | 2014-09-09 |
| 7813240 | Optical disk recording apparatus and optical recording method | Tadatsugu Morimoto, Takashi Fujimoto, Yoshie Hayashida, Rumi Fukuda, Jumpei Kura | 2010-10-12 |
| 6990130 | Semiconductor laser optical output control circuit and optical device | Katsunori Sato | 2006-01-24 |