Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814902 | Method for continuously manufacturing optical article | Fumio Ishibashi, Koichiro Oka | 2004-11-09 |
| 6810536 | Swimming goggles | Yoshihisa Ishiba, Kazuko Mabuchi | 2004-11-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814902 | Method for continuously manufacturing optical article | Fumio Ishibashi, Koichiro Oka | 2004-11-09 |
| 6810536 | Swimming goggles | Yoshihisa Ishiba, Kazuko Mabuchi | 2004-11-02 |