Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9022482 | Stretching structure of a tension member for a chair | Ryo Igarashi | 2015-05-05 |
| 8777321 | Stretching structure of chair upholstery material | Hiroshi Masunaga, Ryou Igarashi | 2014-07-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9022482 | Stretching structure of a tension member for a chair | Ryo Igarashi | 2015-05-05 |
| 8777321 | Stretching structure of chair upholstery material | Hiroshi Masunaga, Ryou Igarashi | 2014-07-15 |