Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12197048 | Eyeglass lens, eyeglasses, and eyeglass lens manufacturing method | Kazuyuki Miyoshi | 2025-01-14 |
| 9891449 | Clip-on type eyeglasses | Chiharu Ishibe | 2018-02-13 |
| 7510281 | Method for manufacturing bifocal lens | Kaoru Miyoshi | 2009-03-31 |
| 7063419 | Sunglass with multistage stop function and attachment fitting thereof | Hiroyuki Kawabata | 2006-06-20 |
| 5800744 | Method for producing a dioptric photocromic semi-finished lens | — | 1998-09-01 |