Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5485399 | Spectacle lens supply method | Tsuyoshi Saigo, Yoshihiro Kikuchi, Takashi Hatanaka | 1996-01-16 |
| 4991305 | Spectacle-lens-frame configuration measuring apparatus and article configuration measuring apparatus | Tsuyoshi Saigo, Noboru Okushi, Shuichi Sato | 1991-02-12 |