Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12189113 | Monitoring device, optical filter system, monitoring method, and current generation device | Helmut Teichmann | 2025-01-07 |
| 11480783 | Optical filter system | Helmut Teichmann, Peter Seitz, Takashi Kasahara, Katsumi Shibayama | 2022-10-25 |