Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7658496 | Perimeter | Satoshi Shimada | 2010-02-09 |
| 7393104 | Ophthalmic testing unit and ophthalmic testing equipment | Takuya Hara | 2008-07-01 |
| 6685321 | Perimeter | Takuya Hara | 2004-02-03 |
| 6318860 | Perimeter | — | 2001-11-20 |
| 6062692 | Vision tester | Hisao Ishigaki, Tetsu Tanigawa | 2000-05-16 |
| 5258787 | Ophthalmologic apparatus | Kosuke Ito | 1993-11-02 |