Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10860109 | Tactile presentation device | Ayumu Akabane, Fumio Takei | 2020-12-08 |
| 10625940 | Construction material management system and construction material management method | Hiroyuki Iwamoto, Yasuyuki Maeda, Eiji Takahashi, Takayuki Naito | 2020-04-21 |
| 10553279 | Semiconductor memory device | — | 2020-02-04 |