Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9603451 | Height adjustment device in fixture, and armrest device for chair provided with height adjustment device | Hiroshi Masunaga, Yuuichirou Takagi, Alexander Hurford | 2017-03-28 |
| 9095217 | Chair | — | 2015-08-04 |
| 7828389 | Armrest device in a chair | — | 2010-11-09 |