Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D482022 | Headphone | — | 2003-11-11 |
| 6636420 | Information processing device | Yukio Isogai, Kaoru Hayashi, Osamu Gomibuchi | 2003-10-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D482022 | Headphone | — | 2003-11-11 |
| 6636420 | Information processing device | Yukio Isogai, Kaoru Hayashi, Osamu Gomibuchi | 2003-10-21 |