Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11090969 | Mechanical pencil | Tadao Odaka, Toshikazu Sasaki | 2021-08-17 |
| 11065907 | Hand tools, cosmetic devices and writing instruments | Takeshi Wakayama | 2021-07-20 |
| D908796 | Sleeve for a mechanical pencil | Takeshi Wakayama | 2021-01-26 |