Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11099550 | Failure location specifying device, failure location specifying method, and failure location specifying program | Tadashi Okita, Masao Kamiguchi | 2021-08-24 |
| 10983502 | Remote management device and remote management method | Masao Kamiguchi, Yujiro Honda | 2021-04-20 |