Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7959285 | Method for designing progressive refraction lens, method for manufacturing the same, and eyeglasses lens supplying system | — | 2011-06-14 |
| 7360891 | Glasses lens designing method, production method for glasses lens and computer program | — | 2008-04-22 |
| 6412948 | Progressive power multifocal lens | — | 2002-07-02 |
| 6412947 | Progressive-power multifocal lens | — | 2002-07-02 |
| 6377399 | Image stabilizing optical system | — | 2002-04-23 |
| 5892565 | Progressive multifocal lens | Yasunori Ueno, Fumio Takahashi | 1999-04-06 |
| 5774270 | Wide-field eyepiece lens | — | 1998-06-30 |
| 5748380 | Eyepiece lens with long eye relief | — | 1998-05-05 |