Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11617473 | Grinding apparatus | Kiyoshi Smith, Seiji Smith | 2023-04-04 |
| 9616435 | Self-cleaning sprinkler | Kiyoshi Smith, Kevin Bailey, Matthew R. Bailey, Duncan James Gibbons, John Kim +1 more | 2017-04-11 |