Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12364058 | Near-infrared light emitting semiconductor element and method for manufacturing same | Shuhei Ichikawa, Naoki Yoshioka, Yasufumi Fujiwara | 2025-07-15 |
| 12074254 | Nitride semiconductor device and substrate thereof, method for forming rare earth element-added nitride layer, and red-light emitting device and method for manufacturing the same | Shuhei Ichikawa, Yasufumi Fujiwara | 2024-08-27 |
| 12068432 | Display device and method of manufacturing same | Yasufumi Fujiwara, Takeshi Uenoyama, Shuhei Ichikawa | 2024-08-20 |
| 5193997 | Apparatus for preheating granular material | Mikio Aoyama, Isao Hashimoto | 1993-03-16 |