Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9521989 | Evaluation aid and evaluation device | Koichi Chida, Yuji Kaga | 2016-12-20 |
| 9392991 | Evaluation aid and evaluation device | Koichi Chida, Yuji Kaga | 2016-07-19 |
| 9332957 | Evaluation aid | Koichi Chida, Yuji Kaga | 2016-05-10 |