Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D384361 | Eyewear frame | Toshio Totsuka, Takuro Tsukatani | 1997-09-30 |
| 5663779 | Variable transmission light polarizing lens assembly | — | 1997-09-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D384361 | Eyewear frame | Toshio Totsuka, Takuro Tsukatani | 1997-09-30 |
| 5663779 | Variable transmission light polarizing lens assembly | — | 1997-09-02 |