Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733124 | Contact lens | Keiji Sugimoto, Tadashi Sawano | 2004-05-11 |
| 6726323 | Contact lens and method of designing the same | Tadashi Sawano, Arata Kouzai, Kiyosei Kondo | 2004-04-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733124 | Contact lens | Keiji Sugimoto, Tadashi Sawano | 2004-05-11 |
| 6726323 | Contact lens and method of designing the same | Tadashi Sawano, Arata Kouzai, Kiyosei Kondo | 2004-04-27 |