Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11061258 | Mold for plastic lens, method for manufacturing plastic lens, and plastic lens for eyeglasses | Kiyohiro Saito, Takashi Suzuki, Kiyonori Sato | 2021-07-13 |
| 10525645 | Method for manufacturing functional plastic lens and polarizing plastic lens | Kiyohiro Saito, Takashi Suzuki, Kiyonori Sato | 2020-01-07 |
| 8506857 | Injection compression molding method of lens | Tatsuo Nishimoto, Kiyohiro Saito, Tetsuya Uchida | 2013-08-13 |
| 7326375 | Injection compression molding method and injection compression machine of lens | Tatsuo Nishimoto, Kiyohiro Saito, Tetsuya Uchida | 2008-02-05 |