Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9887950 | Validating E-mails using message posting services | Katsuya Shibutani, Ichiro Takiguchi, Yoshiki Yatsu | 2018-02-06 |
| 9882858 | Validating E-mails using message posting services | Katsuya Shibutani, Ichiro Takiguchi, Yoshiki Yatsu | 2018-01-30 |