Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D447348 | Chair with sound system | Yutaka Kobayashi, Tsutomu Yamasawa, Tsukasa Hatakenaka | 2001-09-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D447348 | Chair with sound system | Yutaka Kobayashi, Tsutomu Yamasawa, Tsukasa Hatakenaka | 2001-09-04 |