Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7628536 | Microscope apparatus | — | 2009-12-08 |
| 5737058 | Eye examination apparatus using ultrasonic wave radiation | Nobuyuki Miyake, Seiho Yamashita, Yoichi Iki | 1998-04-07 |
| 4390255 | Eye-refractometer device | Masao Nohda, Toshiyuki Arai | 1983-06-28 |
| 4353625 | Eye-refractometer device | Masao Nohda | 1982-10-12 |