Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8251454 | Backrest of the chair and adaptation device for the same | Eisuke Hara | 2012-08-28 |
| 8191970 | Backrest device in a chair | Ryo Igarashi, Hiroshi Masunaga | 2012-06-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8251454 | Backrest of the chair and adaptation device for the same | Eisuke Hara | 2012-08-28 |
| 8191970 | Backrest device in a chair | Ryo Igarashi, Hiroshi Masunaga | 2012-06-05 |