Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12427736 | Method for manufacturing spectacle lens | Takako ISHIZAKI | 2025-09-30 |
| 12386201 | Eyeglass lens | Takako ISHIZAKI | 2025-08-12 |
| 12339420 | Eyeglass lens | Hua Qi, Takako ISHIZAKI | 2025-06-24 |
| 12121930 | Method for manufacturing eyeglass lens | Takako ISHIZAKI | 2024-10-22 |
| 12013598 | Eyeglass lens | Hua Qi, Takako ISHIZAKI | 2024-06-18 |
| 11947191 | Eyeglass lens | Hua Qi, Takako ISHIZAKI | 2024-04-02 |
| 11880094 | Eyeglass lens | Hua Qi, Takako ISHIZAKI | 2024-01-23 |
| 6929822 | Method for manufacturing optical member having water-repellent thin film | — | 2005-08-16 |