Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D897749 | Chair | — | 2020-10-06 |
| D897750 | Chair | — | 2020-10-06 |
| D884371 | Chair with table | — | 2020-05-19 |
| D879490 | Chair | — | 2020-03-31 |
| D878784 | Chair | — | 2020-03-24 |
| D861403 | Shelf for a desk | — | 2019-10-01 |
| 10368645 | Chair and backrest for chair | Yuuichirou Takagi | 2019-08-06 |
| D825239 | Desk | — | 2018-08-14 |
| D821794 | Chair | — | 2018-07-03 |
| D802345 | Desk | — | 2017-11-14 |
| D789721 | Table | — | 2017-06-20 |
| D789720 | Table | — | 2017-06-20 |
| D789128 | Table | — | 2017-06-13 |
| 9603451 | Height adjustment device in fixture, and armrest device for chair provided with height adjustment device | Hiroshi Masunaga, Yuuichirou Takagi, Youichirou Oda | 2017-03-28 |
| D758086 | Chair | — | 2016-06-07 |
| D758088 | Chair | — | 2016-06-07 |
| D756695 | Chair | — | 2016-05-24 |
| 9155393 | Chair | Yoshinori Isogai | 2015-10-13 |
| D673394 | Chair | — | 2013-01-01 |
| D671759 | Chair | — | 2012-12-04 |
| D671343 | Chair | — | 2012-11-27 |
| D670927 | Chair | — | 2012-11-20 |
| D670942 | Chair | — | 2012-11-20 |
| D643225 | Chair | — | 2011-08-16 |