Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352897 | Device for detecting X-rays | Yoshiaki Horikawa, Yoshinori Iketaki, Koumei Nagai | 1994-10-04 |
| 5291339 | Schwarzschild optical system | Yoshiaki Horikawa, Mikiko Kato | 1994-03-01 |