Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6571069 | Photographic zenith telescope | Tsuyoshi Ishikawa, Yutaka Ezaki | 2003-05-27 |
| 6528719 | Space photovoltaic power generation method and system | Yoshihiko Konishi, Kazuyuki Takada | 2003-03-04 |