Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12351502 | Optical glass and optical element | Koichi Tsuchiya | 2025-07-08 |
| 12181700 | Optical fiber illumination device | Nobuhito Takahashi | 2024-12-31 |
| 10508053 | Image guide fiber | Nahoe Sumita, Takashi Watanabe | 2019-12-17 |
| 5961883 | Oxide fluorescent glass capable of exhibiting visible fluorescence | Masaaki Yamazaki, Masaaki Otsuka, Naruhito Sawanobori | 1999-10-05 |
| 5777870 | Drive control commanding unit, a synchronous contol system for a plurality of drive control commanding units, and a synchronous control method for the units | Nobuyasu Takaki | 1998-07-07 |