Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11640073 | Eyeglasses | Tomoyuki Fukuyama | 2023-05-02 |
| 6979192 | Burner head and gas burning appliance provided with such a burner head | Kozo Uehara, Shunji Tanba, Akinobu Nakamura | 2005-12-27 |