Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4945551 | Soft X-ray lithographic system | Kenji Iwahashi | 1990-07-31 |
| 4482245 | Apparatus for measuring the color of a brilliant-cut diamond | Toyoji Yamamoto, Yoshio Matsueda, Yasunori Ito, Katsuto Yamada | 1984-11-13 |