Issued Patents 2025
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392661 | Production method for Fabry-Perot interference filter | Takashi Kasahara, Katsumi Shibayama, Toshimitsu Kawai, Hiroki Oyama, Yumi Kuramoto | 2025-08-19 |
| 12360356 | Optical filter device and method for controlling optical filter device | Takashi Kasahara, Katsumi Shibayama, Toshimitsu Kawai, Hiroki Oyama, Yumi Kuramoto | 2025-07-15 |
| 12253413 | Light detection device | Hiroki Oyama, Katsumi Shibayama, Takashi Kasahara, Toshimitsu Kawai, Yumi Kuramoto | 2025-03-18 |
| 12248269 | Image forming apparatus configured to determine whether or not a roller member has been replaced | Masahide Hirai | 2025-03-11 |
| 12241782 | Transportation method | Hiroki Oyama, Katsumi Shibayama, Takashi Kasahara, Toshimitsu Kawai, Yumi Kuramoto | 2025-03-04 |