Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10870738 | Polyester sheet | Masakazu Tanaka, Toyoaki Sasaki, Yasuhito Tsugane, Kenjiro Takamine, Masahiko Okamoto +1 more | 2020-12-22 |
| D290851 | Crayon | — | 1987-07-14 |
| D284980 | Crayon | — | 1986-08-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10870738 | Polyester sheet | Masakazu Tanaka, Toyoaki Sasaki, Yasuhito Tsugane, Kenjiro Takamine, Masahiko Okamoto +1 more | 2020-12-22 |
| D290851 | Crayon | — | 1987-07-14 |
| D284980 | Crayon | — | 1986-08-05 |