Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10875558 | On-rail train management system, ground apparatus, and train management method | Jun Katayama, Toshifumi Nishi, Kenji Mizuno, Tomonori Itagaki, Tamotsu Yokoyama | 2020-12-29 |
| 9216749 | Occupancy detection device and occupancy detection method | Tomonori Itagaki, Tamotsu Yokoyama, Kenji Mizuno | 2015-12-22 |
| 4893151 | Image developing apparatus | Mutsuki Yamazaki, Toshimasa Takano | 1990-01-09 |