Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D427170 | Portable telephone device | Mark A. Edwards, Robin Chu, Midori Yonezawa, Tadamasa Hayakawa | 2000-06-27 |
| D425887 | Portable telephone device | Mark A. Edwards, Robin Chu, Midori Yonezawa, Tadamasa Hayakawa | 2000-05-30 |
| D425056 | Portable telephone | Mark A. Edwards, Robin Chu, Midori Yonezawa, Tadamasa Hayakawa | 2000-05-16 |
| 4212131 | High utility disk toy | — | 1980-07-15 |