Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12422350 | Multiple-reflection apparatus and multiple-reflection cell | Kazuya Nakagawa, Jun Koshoubu | 2025-09-23 |
| 12372460 | Fourier transform infrared spectrometer | Hiroshi Sugiyama | 2025-07-29 |
| 12276604 | Infrared spectrometer | Hiroshi Sugiyama | 2025-04-15 |