Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6457597 | Beverage can cap and straw | Junji Fukuda | 2002-10-01 |
| 6450401 | Writing board with electronic calculator | Makoto Kaneda | 2002-09-17 |
| 6427928 | Straw with plug | Makoto Kaneda | 2002-08-06 |
| 6416329 | Writing device for practice in writing characters | Makoto Kaneda | 2002-07-09 |
| 6375019 | Straw with plug | Makoto Kaneda | 2002-04-23 |