Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10495238 | Fluid sealing device and power cable line | Shoji Mashio, Yasuo Sakaguchi | 2019-12-03 |
| 9928942 | Pipe type solid insulation cable system, method of constructing pipe type solid insulation cable system and method of cooling pipe type solid insulation cable system | Shoji Mashio | 2018-03-27 |
| 9129722 | Power cable | Shoji Mashio, Kinya Kumagawa, Itaru Minakawa | 2015-09-08 |