Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12384124 | Method for producing polarizing lens, polarizing film and polarizing lens | Keisuke Takada, Teruo Yamashita, Tsuyoshi Watanabe | 2025-08-12 |
| 12337559 | Polarizing film, method for molding polarizing film, and method for producing polarizing lens | Terufumi Hamamoto, Teruo Yamashita | 2025-06-24 |
| 12023882 | Method for producing polarizing lens, polarizing film and polarizing lens | Keisuke Takada, Teruo Yamashita, Tsuyoshi Watanabe | 2024-07-02 |