Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6687396 | Optical member inspection apparatus, image-processing apparatus, image-processing method, and computer readable medium | Masayuki Sugiura, Kiyoshi Yamamoto | 2004-02-03 |
| 6208475 | Optical-member inspection apparatus and holder for inspection target member | Kiyoshi Yamamoto, Masayuki Sugiura, Takashi Tohara, Masato Hara | 2001-03-27 |
| 6034766 | Optical member inspection apparatus | Masayuki Sugiura, Kiyoshi Yamamoto | 2000-03-07 |