Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8292142 | Manual breaker | Kazuya Maekawa | 2012-10-23 |
| D589774 | Glass cutter | Kazuya Maekawa | 2009-04-07 |
| D589775 | Glass cutter | Kazuya Maekawa | 2009-04-07 |
| D586194 | Glass sheet breaker | Kazuya Maekawa | 2009-02-10 |